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Class 137/15.02 - Repairing or assembling hydrant (e.g., fireplug, etc.)


Subclass of Class 137 - Fluid handling
Definition: Subject matter wherein the process of repairing or assembling
No. of patents: 28
Last issue date: 08/09/2011


NumberTitleIssue Date
7992585Retrofit valve assembly kit for frost-resistant hydrant
A retrofit valve assembly for a frost-resistant hydrant comprises ceramic valve disks and a hydrant adapter to enable the valve assembly to be readily retrofit to existing frost-resistant hydrants produced by different manufacturers. ...
08/09/2011
7828005Freezeless hydrant
A freezeless hydrant includes an operating screw positioned within a head member, an operating coupling mating with the operating screw, an operating rod coupled to the operating coupling and a plug and a valve seat. Movement of the operating rod in one direction di...
11/09/2010
7775231Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve
The present invention relates to methods and devices for retrofitting fire hydrants with additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various...
08/17/2010
7240688Retrofitting a fire hydrant with secondary valve
The present invention relates to methods and devices for retrofitting fire hydrants with additional structure for reducing the potential that those with ill intent can foul municipal water supplies by introducing toxins or other materials into fire hydrants. Various...
07/10/2007
7159609Mounting unit of wall faucet
An improved mounting unit of wall faucet mainly is to design two locking ends extruded on the shutter near the granite counter to lock the locking units and position the water faucet on the granite counter; in addition, the locking ends are designed on the non-retur...
01/09/2007
6935527Locking filler cap
A lockable filler cap assembly for fuel tanks and other fluid-holding containers. The assembly is readily adaptable to function as a normally operating non-locking filler cap and to function as a locked filler cap. The lockable filler cap assembly includes a cap hav...
08/30/2005
6688326Locking fire hydrant
A locking fire hydrant includes a fire hydrant body having an outlet port, a valve access hole, and an outer surface with a recess defined therein. The recess is configured to receive a locking cap for closing off the outlet port and the valve access hole...
02/10/2004
6095174Portable fire hydrant
An improved portable fire hydrant that can operate a water main valve disposed within a water main to produce water for fighting a fire by rotating a valve stem coupled to the water main valve includes an extension through which water can flow when the fi...
08/01/2000
5924437External shutoff valve for fire hydrants
A kit for the emergency shutoff of a fire hydrant after the hydrant stem has failed and a cap of the hydrant nozzle has been removed so that a jet of water is escaping from the hydrant. The kit comprises a two-part increaser and a shutoff valve. The two p...
07/20/1999
5778918Pilot valve with improved cage
A two-position pilot-operated SPM valve includes an improved cage for controlling fluid flow to a ram of a subsea blowout preventer. SPM valve 10 includes a piston 48 axially movable with respect to a valve body 12, a spool 38 for moving within the valve ...
07/14/1998
5730167Hot and cold water mixing device
A hot and cold water mixing device which comprises an inner housing (11) provided with a hot water inlet hole (17), a cold water inlet hole (18) and a mixed water delivery hole (19), and an outer housing (31) having openings (33, 34, 32) communicating wit...
03/24/1998
5725008Reinforcing member attached to a sink at a place of installation of a faucet set
A faucet assembly including a resilient reinforcing member that ensures the faucet set compresses a sealing gasket to prevent leaks. The faucet set is secured to the deck or mounting flange of a sink from below the sink using winged nuts that can fasten t...
03/10/1998
5697393Adjustable anti-freeze faucet assembly
An adjustable anti-freeze faucet assembly for mounting within a wall of the building comprises a telescoping water pipe with pieces configured for telescopic sliding movement to vary the length of the pipe, a faucet spout coupled to an outlet end of the p...
12/16/1997
5664597Cover for enclosing a fixed article, such as a fire hydrant, and a method of using the same
A cover is provided for placing over an article fixed to a surface. The cover is particularly useful for covering a fire hydrant and identifying the fire hydrant in the winter months in a climate accustomed to great depths of snow which normally would cov...
09/09/1997
5509437Dry hydrant check valve
A dry (unpressurized) hydrant utilizes a hydrant pipe wherein a submerged end carrying a strainer assembly is placed at a predetermined depth within a body of water, such as a lake or a pond, with the unsubmerged end being located above ground adjacent th...
04/23/1996
5404899Catchment device for machine parts and tools
A single piece hat-shaped catchment device for preventing machine parts and tools from falling into the inaccessible interior of a mechanism during the servicing thereof. The catchment device includes an inner section defining a central hole and a plurali...
04/11/1995
5289840Yard 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
5218987Method and apparatus for water surge protection and protection of fire hydrant systems
A method and apparatus are disclosed for protecting a water distribution system from water surge damage which otherwise might result if one of its valves is suddenly opened or closed. The outlet of the shut-off valve and the inlet of the hydrant valve of ...
06/15/1993
5205312Fire hydrant locking arrangement
A fire hydrant locking arrangement which is intended for utilization on a conventional fire hydrant. Moreover, also disclosed is a method of producing a fire hydrant locking arrangement through a heat-meltable locking ring which will inhibit the unauthori...
04/27/1993
5201338System and device for flushing water mains
A water distribution system includes flushing hydrants having buried valve assemblies and a removable top stock carried from valve assembly to valve assembly. A vertical marker replaces the top stock when the hydrant is not in use. The buried valve assemb...
04/13/1993
5099565Method of repair or replacement a hydrant casing
A damaged hydrant casing which has an integral barrel extending below ground level is repaired without excavation. A support structure defining a horizontal work surface is clamped to the hydrant barrel. A powered groove-forming tool is supported from the...
03/31/1992
5012833Freeze-proof hydrant
Process for replacing a cartridge in a housing of a freeze proof hydrant. A plunger within the cartridge is urged against a roller pin lodged in the cartridge. A first end of the cartridge is deformed away from a ridge in the housing. The cartridge is sli...
05/07/1991
4791952Hydrant and components thereof
A hydrant includes one or more novel and improved features, namely: (1) a nozzle assembly comprising a nozzle and a retainer ring mounted from within the upper standpipe section of the hydrant; (2) an operating assembly defining an excess reservoir volume...
12/20/1988
4790341Hydrant and components thereof
A hydrant includes one or more novel and improved features, namely: (1) a nozzle assembly comprising a nozzle and a retainer ring mounted from within the upper standpipe section of the hydrant; (2) an operating assembly defining an excess reservoir volume...
12/13/1988
4790342Fire hydrant valve actuator
A fire hydrant comprising an upper portion and a lower portion. The lower portion contains a water inlet valve and an operating rod for selectively opening and closing the valve. The upper portion of the fire hydrant includes a bonnet and collar with aper...
12/13/1988
4748997High pressure hydrant repair apparatus and method of repair
An apparatus and method of removing and replacing the main water supply valve of a high pressure hydrant without the necessity of shutting off the supply of water to the hydrant, wherein the apparatus generally comprises a hydrant adapter for interconnect...
06/07/1988
4440190Control mechanism for a fire hydrant
The control mechanism to which the invention relates is intended to equip fire hydrants of the type comprising an outer body (1) extended downwards by an underground elongated pipe (2) connecting it to a water supply pipe (3), a valve cooperating with a v...
04/03/1984
4073307Valve for fire hydrants
The specification discloses a fire hydrant and valve assembly therefor including a flexible, resilient compressible, fluid-impervious sealing flange or lip formed on and extending outwardly of the main valve sealing member for supplemental sealing of both...
02/14/1978
 
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