Fire extinguishers
Patent class list (only not empty are listed)
Deeper subclasses:
Class / Patent application number | Description | Number of patent applications / Date published |
---|---|---|
169043000 | PROCESSES | 388 |
169054000 | SPECIAL APPLICATIONS | 198 |
169005000 | FLUID SYSTEMS | 197 |
169051000 | MOUNT, CABINET OR GUARD | 116 |
169037000 | SPRINKLER HEADS | 103 |
169030000 | PORTABLE VESSELS | 74 |
169048000 | APPARATUS WHICH ISOLATES FLAMES FROM NON-BURNING AREA | 62 |
169019000 | AUTOMATIC VALVES | 20 |
169026000 | AUTOMATIC RECEPTACLES | 11 |
169023000 | ALARMS | 7 |
169091000 | MISCELLANEOUS: E.G., BLOWERS | 6 |
169042000 | FUSIBLE CONNECTIONS | 2 |
20100059235 | Cover for Protecting a Fusible Linkage in a Sprinkler Head - A combination of a cover and a sprinkler head. The sprinkler head includes a fusible linkage mounted within a frame and having a protruding portion. The cover includes a first member adjacent to the protruding portion of the fusible linkage. The first member has a first connecting end and a first fastening end opposite the first connecting end. A second member is opposite to the first member and has a second connecting end and a second fastening end opposite the second connecting end. The first and second connecting ends are coupled to each other. A first projection and a second projection extend from the first member toward the second member and are in spaced relation to each other for receiving the protruding portion of the fusible linkage. | 03-11-2010 |
20140305663 | Self-Aligning Cover Spring For A Concealed Sprinkler - A spring may include an annular plate having a central aperture; a plurality of spring members protruding from the annular plate, the plurality of spring members being resiliently flexible and radially disposed around the central aperture; and a plurality of alignment tabs protruding from the annular plate. | 10-16-2014 |