Abreu
Carlos Eduardo Borges De Salles Abreu, Rio De Janeiro BR
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20130250726 | QUANTITATIVE ANALYSIS OF TIME-LAPSE SEISMIC DATA - A method for quantitative analysis of time-lapse seismic data of a reservoir, including: obtaining a plurality of compressional and shear velocities from a seismic inversion analysis; selecting a rock physics model based on a property of the reservoir; calculating a transform function using the rock physics model, where the transform function transforms variations in the plurality of compressional and shear velocities into variations in saturation and pore pressure; calculating a transform grid performing a domain transformation of the transform function; obtaining a plurality of cloud points from the seismic inversion analysis and the transform grid; and overlaying the plurality of cloud points onto the transform grid to estimate a plurality of reservoir parameters of the reservoir. | 09-26-2013 |
Cristina F. Abreu, Sao Paulo BR
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20100297691 | DEVICES AND PROCESSES FOR COLLECTING AND CONCENTRATING SAMPLES FOR MICROBIOLOGICAL ANALYSIS - The present invention refers to manual devices for the collecting and concentrating liquid samples for microbiological analysis and their respective methods of use. The manual devices comprise a body which contains a sample, a removable support, a microporous membrane, and a plunger. The present invention is also directed to methods of collecting and concentrating of liquid samples onto a microporous membrane for micro-biological analysis. | 11-25-2010 |
Guilherme Caravieri De Abreu, Sao Paulo BR
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20110042173 | Hydraulic Damper for a Vehicle Steering System - The damper includes a pressure tube divided, by a piston, into a compression chamber (CC) and a traction chamber (CT) which communicate with each other through the piston; a rod having an end retained to the piston and an opposite end external to the pressure tube; a reservoir tube external to the pressure tube and defining therewith a hydraulic fluid reservoir (R) in a controlled fluid communication with the compression chamber (CC); a fluid communication (F) between the traction chamber (CT) and the reservoir (R); and a control valve (V) mounted in the fluid communication (F), for releasing and blocking the latter as a function of the pressure level of the hydraulic fluid in the traction chamber (CT). | 02-24-2011 |
20130248307 | TRACTION CONTROL VALVE FOR HYDRAULIC SHOCK ABSORBER - The present shock absorber has a pressure tube with a compression chamber and a traction chamber, separated by a piston provided with a traction passage. The valve includes: a counter pressure chamber loaded by piston, provided with an upper opening and a control base, open to the compression chamber, where a hollow sealing plug is displaceable between a closed position, hence communicating traction passage only with the counter pressure chamber, and open positions; a return spring driving sealing plug to its closed position; and an inertial seal, inside the counter pressure chamber and displaceable from inoperative position, away from the control base, to operative position, where it blocks said base, increasing hydraulic pressure in the counter pressure chamber to hydraulically drive sealing plug to its closed position when piston is subjected to a given upward acceleration. | 09-26-2013 |
Gustavo A. Abreu, Sao Paulo BR
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20110283546 | Circular Blade Cutting Tool - A cutting tool comprising a main body, a blade shield, a support arm and a circular blade. The main body includes a first guide surface along an edge of the main body and a first blade slot recessed in the main body and opening to the first guide surface. The blade shield has a second guide surface extending generally parallel to and in spaced relation to the first guide surface to define a gap therebetween, with the blade shield also having a second blade slot recessed in the blade shield and opening to the second guide surface. The support arm is secured to the main body and the blade shield to hold the main body and the blade shield in spaced relation. The circular blade is removably secured in the first blade slot and extends through the gap into the second blade slot. | 11-24-2011 |
Leandro Francisco Abreu, Sao Paulo BR
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20160108994 | TRANSMISSION WITH REVERSE GEAR BRAKE - A manual transmission is provided having a plurality of planar gear sets for achieving multiple forward gear ratios. The transmission also has an idler gear, a first planar gear set, a first shift linkage member, and an intermediate linkage member. The first shift linkage member has a synchronizer portion and a fork portion. The intermediate linkage member has a partial engagement cam portion that contacts and urges the fork portion of the shift linkage member to partially engage the synchronizer and the output member with the third gear prior to shifting the idler gear to mesh the input shaft with the output shaft. | 04-21-2016 |
Luis Gustavo De Mattos Abreu, Indaiatuba BR
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20120021396 | SYSTEM AND RELATED METHOD FOR INSTRUCTING PRACTITIONERS RELATIVE TO APPROPRIATE MAGNITUDE OF APPLIED PRESSURE FOR DENTAL PROCEDURES - System and method for teaching a dental practitioner an appropriate pressure to apply during a dental procedure. The system includes a dental tool for use in a dental procedure and a substrate including a coating of a removable scratch-off material. The scratch-off material is adhered to the substrate so as to have an adherence strength that is specifically configured so that the scratch-off material coating is removable from the substrate by manipulating the dental tool against the scratch-off material coating upon application of a minimum threshold pressure that is substantially equal to that to be applied during a selected actual dental procedure. In this manner, an inexperienced practitioner is able to learn the appropriate magnitude of pressure to be applied during a procedure (e.g., application and burnishing of a hemostatic composition into bleeding soft tissue) in a non-threatening environment without having to actually work on a live, bleeding patient. | 01-26-2012 |
Odilio Abreu, Toronto CA
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20110203745 | LOUVERED PRIVACY SCREEN FOR SINGLE- AND DOUBLE-HUNG SASH WINDOWS - An inexpensive and easy to install privacy screen for a single- or double-hung sash window. The invention comprises a plurality of horizontal louvers that are translucent and flexible, and a pair of vertical side members having a plurality of parallel slits. The louvers are affixed in parallel at both ends to the vertical side members by insertion into the slits. When installed in an open single- or double-hung sash window, the invention permits air circulation and the passage of natural light into an enclosed space, while maintaining an occupant's privacy. The invention is to be installed above or below a first sash of the window so as to allow the user to move a second sash to open and close the window with the invention in place. | 08-25-2011 |
Paulo Cesar Abreu, Rio Grande Do Sul BR
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20090200230 | METHOD FOR REMOVING POLLUTANTS FROM PRODUCED WATER - A method which improves the quality of effluent from the process of the industrial production of petroleum, usually referred to as produced water. This method makes it possible to reduce the concentration of pollutants in produced water requiring treatment by removing these pollutants through the use of cultures of microalgae that have passed through a process of natural selection and are naturally adapted to the hostile environment offered by produced water. | 08-13-2009 |
Peggi Abreu, Montrouge FR
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20080285943 | Management of Dynamic Program Changes in Dvb Systems - A method for managing dynamic program changes in a digital video broadcasting (DVB) system, the method including detecting a dynamic program change in a DVB transmission received at a set-top box (STB), and changing a digital video recorder (DVR) recording instruction associated with the program to record the program in accordance with a parameter of the change. | 11-20-2008 |