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| Number | Title | Issue Date |
| 7278442 | Vented port-cap for fire hydrant The vented port-cap includes a check-valve, which admits air into the barrel of the hydrant when the pressure inside is lower than the pressure outside. After an inspection of the hydrant, the hydrant can be left to drain by itself, even though the port-cap has been... | 10/09/2007 |
| 7185792 | Dispensing device with rack and pinion drive for nozzle valve A pressurized gas cartridge drives a dispensing device for viscous product cartridges. The dispensing device and the viscous product cartridge form a gas enclosure separated from a product enclosure by a movable wall. A valve is driven by a rack and pinion valve dri... | 03/06/2007 |
| 7152586 | Fuel cut-off valve A fuel cut-off valve 100 of the invention is attached to an upper portion of a fuel tank and connects and disconnects inside with and from outside of the fuel tank according to the fuel level in the fuel tank. In the fuel cut-off valve 100 of the inven... | 12/26/2006 |
| 6966332 | Air valve assembly for a fire hydrant An air valve assembly for a fire hydrant includes a pressure responsive valve means removably mounted at or near a top of a fire hydrant and more specifically to a fire hydrant bearing housing. The pressure responsive valve means is adapted to open when the fire hyd... | 11/22/2005 |
| 6561214 | Hydrant with improved drain mechanism A fire hydrant of the "dry" barrel type having an improved means of draining the barrel after the hydrant has been used. The hydrant is provided with a drain passageway communicating the interior of the hydrant barrel to the exterior. A diffuser is attach... | 05/13/2003 |
| 5701925 | Sanitary yard hydrant A yard hydrant of the venturi check valve-fluid reservoir type has a manually operable flow diverter valve which will provide full fluid flow through the hydrant to effectively siphon residual fluid from the reservoir without removal of hoses, backflow pr... | 12/30/1997 |
| 5617892 | Irrigation system shut-off valve An irrigation system shut-off valve includes first and second hollow housing sections with are threadedly connected by an elongated pipe so that all of the sections lie on a common axis. A valve seat and a valve member concentric to said axis are present ... | 04/08/1997 |
| 5289840 | Yard hydrant A yard hydrant includes a head section with a nozzle, a standpipe and valve housing in traditional hydrant relationship that is constructed and assembled into an integral unit which cannot be disassembled. An operating rod with valve means reciprocates in... | 03/01/1994 |
| 5158105 | Anti-siphon freezeless hydrant An anti-siphon and freezeless water hydrant comprises a unitary cast metal housing which incorporates a hose bib, and a drain opening cylinder equipped with drain orifices and a drain valve seat. The housing is shaped and labeled to assure installation so... | 10/27/1992 |
| 5129416 | Anti-siphon frost-proof water hydrant A water hydrant defines an elongated flow passage having a water inlet and an air inlet, and a laterally extending water outlet spout disposed therebetween to define an outlet. An elongated rotatable stem is reciprocated within the flow passage, and termi... | 07/14/1992 |
| 5029603 | Anti-siphon frost-proof water hydrant A water hydrant defines an elongated flow passage having a water inlet and an air inlet, and a laterally extending water outlet spout disposed therebetween to define an outlet. An elongated rotatable stem is reciprocated within the flow passage, and termi... | 07/09/1991 |
| 4974637 | Self draining valve A self draining valve having a valve housing with a fluid entrance channel, a fluid exit passageway leading toward the direction of normal flow of fluid, and a fluid drain channel leading in a direction inconsistent with the normal flow of fluid; a cylind... | 12/04/1990 |
| 4756479 | Flush hydrant A flush hydrant for purging waterline systems of subdivisions, rural districts, etc. The flush hydrant is used in lieu of a typical fire hydrant for purging such waterlines of foreign matter which may have infiltrated the waterline system as a result of l... | 07/12/1988 |
| 4653522 | Ground hydrant and method for operating same The ground hydrant of the present invention includes an outlet nozzle above ground and a drain water collection cylinder located below the frost line of the ground. When the hydrant is shut off, the residual water in the nozzle drains into the ground wate... | 03/31/1987 |
| 4653521 | Freezeless ground hydrant and method for operating same The present invention is for a freezeless ground hydrant having a nozzle above ground and having a main valve adapted to be connected to an underground source of water pressure at a point located below the frost line in the soil. Also underground is a dra... | 03/31/1987 |
| 4532954 | Wall hydrant A wall hydrant is described herein comprising a hollow tube having an inlet end and outlet end. The inlet end is adapted to be connected to a source of fluid under pressure and has a valve means adjacent its inlet end. The inlet valve means comprises a cy... | 08/06/1985 |
| 4316481 | Wall hydrant A wall hydrant is described herein comprising a hollow tube having an inlet end and outlet end. The inlet end is adapted to be connected to a source of fluid under pressure and has a valve means adjacent its inlet end. The valve means comprises a cylindri... | 02/23/1982 |
| 4178956 | Self-draining sill cock assembly A self-draining sill cock assembly is disclosed comprising a fluid outlet for location on an exterior wall, a fluid flow inlet adapted for location adjacent an interior wall and remote from the fluid outlet, a first conduit connecting the fluid inlet and ... | 12/18/1979 |
