Class / Patent application number | Description | Number of patent applications / Date published |
254029000 | PIPE OR ROD JACK | 21 |
20150316173 | APPARATUS FOR ADJUSTING RELATIVE SPACING OF SECTIONS OF PIPE ARRANGED IN END TO END RELATION - An apparatus for adjusting relative spacing of sections of pipe arranged in end-to-end relation. The apparatus includes a first saddle and a second saddle. Each saddle has a body with an underlying pipe receiving channel extending across a bottom between a first end and a second end. An upstanding actuator anchor extends upwardly from a top of the body. Overlying anchor chain receiving channels extend over the top of the body between the opposed sides. An actuator is connected between the respective actuator anchors to pull the first saddle and the second saddle toward each other. | 11-05-2015 |
20150354194 | METHODS AND SYSTEMS FOR PULLING PIPE - The invention pertains to pipe pulling systems and methods for sequentially adjoining pipes enabling one or more operators to efficiently attach the receiving and adjoining pipe ends together. As part of the pulling system, a pipe pulling apparatus is secured and can easily pull one or more sequential cascading pipes into position for attachment or adjoining from a common location. The pulling apparatus can alternatively be moved to the distal end of the previously adjoined pipe making it the new receiving pipe. Progressively cascading extended pipe systems and clusters with lateral sections and risers are built in short periods of time as compared with typical manual methods of pipe assembly and construction. A variable length pulling member of the pulling system adjoins pipes, fittings, or pipes with fittings located at remote distances with directional turns, typically orthogonal, into their adjoining or attachment position using pulleys with securing members and mechanisms. | 12-10-2015 |
20160069372 | SAFETY GUARD FOR A HYDRAULIC DEVICE - A system for tensioning a stud that projects from a structural member is provided. The system comprises a safety guard including a guard housing and a hydraulic interlock assembly, and a tensioning system coupled with a first end of the stud. The guard housing surrounds at least a portion of the tensioning system and is coupled with a second end of the stud and the hydraulic interlock assembly. The hydraulic interlock assembly is coupled with the guard housing and the tensioning system. The hydraulic interlock assembly provides fluid communication of a hydraulic fluid from a hydraulic source to the tensioning system to tension the stud. | 03-10-2016 |
20100258772 | Apparatus and Methods for the Retensioning of Reinforcement Tendons - An apparatus for retensioning tendons in a concrete slab which has a stressing frame with a first leg having a top part and a bottom part, and a second leg having a top part and a bottom part, so that the top part of the first leg and the top part of the second leg, are pivotally connected; and so that the first leg further comprises a shaft and wherein the bottom part of the second leg further comprises a shaft; and second leg further comprises a contact point proximate to the bottom part of the second leg; so that the bar engagedly connects the first leg so that when the retractor is engaged, the bar is pulled and the contact point on the first leg and the contact point on the second leg are pulled inwards allowing the two pieces of rebar tendons to be connected. | 10-14-2010 |
20160069373 | HYDRAULIC ROD TENSIONING SYSTEM - A tensioning system for tensioning a stud is provided. The system includes an adapter ring having an external surface, an internal surface engaging the external surface of the stud or puller screw, and at least two bores defined therein. The posts have first and second ends and are disposed in the bores. The first ends are supported by a stop surface, and the second ends extend outwardly from the bores. A cylinder includes an internal surface engaged with the external surface of the adapter ring. First and second pistons are movably positioned within the cylinder with an intermediate cap disposed therebetween to define first and second hydraulic chambers. The first piston is configured for being supported by the second ends of the posts. The hydraulic chambers are hydraulically connected to one another, whereby providing a hydraulic fluid in the chambers operates to apply a tension force on the stud. | 03-10-2016 |
254030000 | Lifter | 16 |
20090242859 | PROBE BAR REMOVER - A probe bar remover ( | 10-01-2009 |
20090315003 | POST PULLER - In some embodiments, a post puller may include one or more of the following features: (a) a frame capable of being coupled to a vehicle, (b) first and second post removal doors having an open side facing each other and an opposite end coupled to the frame, (c) a V-shaped opening located on the open side of the doors, (d) butt hinges along which couple the doors to the frame along a hinge axis, (e) a blade located on the open side of each door, and (f) a fork aperture for receiving a fork. | 12-24-2009 |
20100102285 | T-Post rustler - The T-Post Rustler is a device that is mounted to an adapter plate, which is mounted to an ATV or UTV so that the Rustler can be pinned into work or transport position. When in transport position the ATV or UTV can move to its destinations were it will began to remove metal t-posts on fence rows or etc. When in position you will remove transport pins, then let the Rustler down so that metal foot touches the ground. Now release the winch cable so that the locking plate becomes free from the Rustler so that you can slid the locking plate over and down the metal t-post to the lowest point. Then you can began to winch the t-post out of the ground, once the t-post is out the ground then slid the locking plate off the t-post and then place locking plate back into transport position. | 04-29-2010 |
20100301289 | Anchorage extractor - The present invention is directed to an anchorage extractor. The extractor is used to remove post, anchorage or stake from the ground without using a force generated by a motor. The anchorage extractor comprises a base disposed on the ground to provide a stable support. A lever is connected to a driving wheel that is connected to a rack. The anchorage is attached to the rack and when the lever is actuated, the drive wheel drives the rack upward, removing the anchorage from the ground. An advantage of the present invention is that the direction of the extraction force is parallel to the anchorage axis by adjusting the angle of the extractor. The extractor may be folded on itself or dismantled to be transported. | 12-02-2010 |
20110062398 | POST PULLING DEVICE - The present invention relates to a post-pulling device for the extraction of T-shaped posts and a method of using the same. The post-pulling device according to the present invention includes: an I-beam body; a pull chain, where said pull chain is permanently attached to a first end of the I-beam body; and a post insertion opening near a second end of the I-beam body, where said opening allows for the insertion of a T-shaped posted. The pull chain may be welded to the I-beam body. In one particular embodiment, the I-beam body may include two beveled sidewalls and the opening may be a T-shaped opening. | 03-17-2011 |
20110240937 | Portable pump jack - A pulley mechanism is connected to a piston of the hydraulic cylinder, the support frame, and to a sucker rod of the reciprocating pump. The pulley mechanism translates movement of the piston into movement of the sucker rod such that pushing action of the piston provides pulling action acting on the sucker rod. A drive mechanism connected to the hydraulic cylinder for actuating the hydraulic cylinder. | 10-06-2011 |
20110278514 | Pushing or Pulling Device - A handling assembly includes motor driver wheel assemblies that are supported on one or more platforms. The wheel assembles can be moved inwardly into engagement with tubing, cable or rods extending through the platforms so that the tubing, cable or rods can be raised or lowered in a controlled manner by frictional contact between the driven wheels and the tubing, cable or rods. | 11-17-2011 |
20110278515 | Pushing or Pulling Device - A handling assembly includes motor driver wheel assemblies that are supported on one or more platforms. The wheel assembles can be moved inwardly into engagement with tubing, cable or rods extending through the platforms so that the tubing, cable or rods can be raised or lowered in a controlled manner by frictional contact between the driven wheels and the tubing, cable or rods. | 11-17-2011 |
20120074362 | CHAIN AND LEVER POST PULLER SYSTEMS - A chain and lever post puller system for pulling 2 inch by 4 inch stakes from the ground. The apparatus may also pull round posts or tee-posts with a minimum of effort and with no prior digging. The chain and lever post puller system is a first class lever, requires no heavy equipment or hydraulics, and is easily transportable by hand. The puller comprises a vertical column to which the pivot lever is removably connected via a hinge, which also forms the fulcrum for the pivot lever. A first end of a chain is attached opposite the handle to the end of the pivot lever, and a self-tightening post grip is attached to the second end of the chain. A downward force is applied to the first end of the pivot lever when the post grip is attached to a stake to remove the stake via mechanical advantage. | 03-29-2012 |
20120267586 | PULLER FOR CONCRETE FORM STAKES - A stake puller for extracting a stake from a portion of a substrate (e.g., earth, soil, or the like) wherein the stake is abutted against a perpendicular wall that thereby exposes a side portion of the stake opposite of the perpendicular wall between the portion of the substrate and an exposed top of the stake, the puller including: a shaft having a distal end and a proximal end; a cross-handle coupled to the proximal end; and a stake-engaging head, coupled to the distal end, engaging the exposed side portion of the stake between the portion of the substrate and the exposed top from a direction opposite of the perpendicular wall wherein a longitudinal axis of the shaft is generally parallel to a longitudinal axis of the stake when the stake-engaging head engages the exposed side portion of the stake. | 10-25-2012 |
20130069025 | POST AND STAKE PULLER - A post puller that includes a jack assembly with an assembly attached to the jack housing that includes wedges with sharpened edges that bite into the post or stake as the jack assembly is raised. | 03-21-2013 |
20130099184 | POST HANDLING DEVICE - A device for lifting a post out of the ground, including a part for engaging the post and an elongate body having a handle for applying a lever action to the part in order to lift the post from the ground, wherein the part is coupled to a stand and the stand is moveable relative to the body from a stowed condition to a deployed condition whereat the body is pivotally supported above the ground for rotation about the stand in order to effect the lever action. | 04-25-2013 |
20140021420 | Lifting Device - Lifting device ( | 01-23-2014 |
20140117295 | APPARATUS FOR EXTRACTING A STAKE FROM THE GROUND - A stake removal apparatus for extracting the stake from a portion of a ground includes a base plate with a first end and a second end, a handle bar affixed to a top portion of the base plate, a pair of wheels pivotably mounted to the base plate at the first end of the base plate, a C-shaped member pivotably mounted to the second end of the base plate to engage the stake, the C-shaped member having a pair of opposing inner beveled edges that are substantially parallel to one another. A user may orient the C-shaped member to enclose the stake and apply a downward force on the handle bar to enable the inner beveled edges of the C-shaped member to pivot and contact the stake, thereby concentrating the forces applied to the stake to extract the stake from the ground. | 05-01-2014 |
20150021529 | Pile Lifting Apparatus and Method - An apparatus for lifting and supporting a pile is provided. The apparatus includes a support structure coupled to the pile and a lifting device coupled to the support structure. Gripping plates of a lift head engage and lift the pile during extension of the lifting device. During retraction of the lifting device, gripping plates of a gravity vice engage the pile to support the pile in the lifted position. The extension and retraction of the lifting device is alternately repeated to lift the pile in steps to a desired height. | 01-22-2015 |
20150021530 | Modular Guide Sleeve Apparatus and Method - An apparatus for lifting and supporting a pile is provided. The apparatus includes a modular support structure, which may include a modular support element such as a modular support helical pile. The modular support structure may further include a modular guide sleeve for guiding the support element as it is driven into strata. The portions of the modular support element and the modular guide sleeve may be installed adjacent a pile supporting a building even in the confined vertical space between the bottom of the building and the surface of the ground. Lifting device elements may be attached to the modular support structure and engaged with the building pile to lift and support the building pile. | 01-22-2015 |
254029000 | Tie rod tensioner | 2 |
20150316173 | APPARATUS FOR ADJUSTING RELATIVE SPACING OF SECTIONS OF PIPE ARRANGED IN END TO END RELATION - An apparatus for adjusting relative spacing of sections of pipe arranged in end-to-end relation. The apparatus includes a first saddle and a second saddle. Each saddle has a body with an underlying pipe receiving channel extending across a bottom between a first end and a second end. An upstanding actuator anchor extends upwardly from a top of the body. Overlying anchor chain receiving channels extend over the top of the body between the opposed sides. An actuator is connected between the respective actuator anchors to pull the first saddle and the second saddle toward each other. | 11-05-2015 |
20150354194 | METHODS AND SYSTEMS FOR PULLING PIPE - The invention pertains to pipe pulling systems and methods for sequentially adjoining pipes enabling one or more operators to efficiently attach the receiving and adjoining pipe ends together. As part of the pulling system, a pipe pulling apparatus is secured and can easily pull one or more sequential cascading pipes into position for attachment or adjoining from a common location. The pulling apparatus can alternatively be moved to the distal end of the previously adjoined pipe making it the new receiving pipe. Progressively cascading extended pipe systems and clusters with lateral sections and risers are built in short periods of time as compared with typical manual methods of pipe assembly and construction. A variable length pulling member of the pulling system adjoins pipes, fittings, or pipes with fittings located at remote distances with directional turns, typically orthogonal, into their adjoining or attachment position using pulleys with securing members and mechanisms. | 12-10-2015 |
20160069372 | SAFETY GUARD FOR A HYDRAULIC DEVICE - A system for tensioning a stud that projects from a structural member is provided. The system comprises a safety guard including a guard housing and a hydraulic interlock assembly, and a tensioning system coupled with a first end of the stud. The guard housing surrounds at least a portion of the tensioning system and is coupled with a second end of the stud and the hydraulic interlock assembly. The hydraulic interlock assembly is coupled with the guard housing and the tensioning system. The hydraulic interlock assembly provides fluid communication of a hydraulic fluid from a hydraulic source to the tensioning system to tension the stud. | 03-10-2016 |
20100258772 | Apparatus and Methods for the Retensioning of Reinforcement Tendons - An apparatus for retensioning tendons in a concrete slab which has a stressing frame with a first leg having a top part and a bottom part, and a second leg having a top part and a bottom part, so that the top part of the first leg and the top part of the second leg, are pivotally connected; and so that the first leg further comprises a shaft and wherein the bottom part of the second leg further comprises a shaft; and second leg further comprises a contact point proximate to the bottom part of the second leg; so that the bar engagedly connects the first leg so that when the retractor is engaged, the bar is pulled and the contact point on the first leg and the contact point on the second leg are pulled inwards allowing the two pieces of rebar tendons to be connected. | 10-14-2010 |
20160069373 | HYDRAULIC ROD TENSIONING SYSTEM - A tensioning system for tensioning a stud is provided. The system includes an adapter ring having an external surface, an internal surface engaging the external surface of the stud or puller screw, and at least two bores defined therein. The posts have first and second ends and are disposed in the bores. The first ends are supported by a stop surface, and the second ends extend outwardly from the bores. A cylinder includes an internal surface engaged with the external surface of the adapter ring. First and second pistons are movably positioned within the cylinder with an intermediate cap disposed therebetween to define first and second hydraulic chambers. The first piston is configured for being supported by the second ends of the posts. The hydraulic chambers are hydraulically connected to one another, whereby providing a hydraulic fluid in the chambers operates to apply a tension force on the stud. | 03-10-2016 |