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| Number | Title | Issue Date |
| 8047221 | Centering valve box adapter A centering valve box adapter is provided for supporting a bonnet over a valve box to maintain vertical access to the valve box nut. A plurality of retainers can be affixed to the valve box using the bolts on the valve box. Each retainer has a lip and a keeper. Each... | 11/01/2011 |
| 7703474 | Gate valve sealing structure An improved liquid infiltration adapting structure for preventing liquid infiltration around a gate valve box. The structure has an annular tube structure that is tapered to more easily receive a mating pipe. The tube structure may also comprise at least one bead fo... | 04/27/2010 |
| 7165732 | Adapter assembly for a fluid supply assembly An adapter assembly for connecting a fluid supply assembly to a fluid applicator. The adapter assembly includes an outer lid for the fluid supply assembly and an adapter. The adapter assembly provides a connection between the fluid supply assembly and the fluid appl... | 01/23/2007 |
| 7117883 | Valve key alignment assembly for curb stop box A self-aligning curb box assembly is provided. The curb box includes a cylindrical conduit extending from the ground surface downwardly and has a detachable cover at its upper, surface end. The conduit has an inverted “U” shaped passageway formed at its lower en... | 10/10/2006 |
| 7036402 | Water main T-bar and adaptor A torque applying tool with a removable adaptor for actuating an underground valve of a fluid-carrying conduit, such as a water main, gas line, petroleum pipeline, etc. The adaptor has a hollow cylindrical sleeve for receiving an elongate rod of a T-bar tool, the ro... | 05/02/2006 |
| 7028703 | Buried fluid line casing enclosed valve guard A guard for a valve upon a buried fluid line prevents earth entering the opposed arches or the bottom of a conventional casing during installation about and above the valve permitting access after filling of the excavated cavity for the fluid line. Alignment of the ... | 04/18/2006 |
| 6802337 | Valve can extension Apparatus and methods are provided for the extension of access conduits to access underground valves and the like. A valve can extension comprising a tubular member having an extension riser portion at one end and an inwardly tapered portion at the other end. The ex... | 10/12/2004 |
| 6449908 | Gate valve box sealing A gate valve box adaptor structure, the present invention provides a permanent support for the key box bonnet that is unaffected by the surrounding environment. The adaptor is supported on the gate valve to a positive location for the key box bonnet at a ... | 09/17/2002 |
| 6354325 | Underground access conduit A valve cover for enclosing an underground area surrounding the actuating mechanism of a flow control valve. The valve cover includes a body having a structure configured to position the valve cover in a desired orientation relative to the flow control va... | 03/12/2002 |
| 6263903 | Arrangement for underground stop valve An arrangement intended for a stop valve (1) comprises a tubular member (9). The stop valve (1) is located in the ground (2) and has a valve housing (11) and a valve bonnet (12) fixed thereto with the aid of a fixing means (14), said valve bonnet having a... | 07/24/2001 |
| 6226929 | Liquid infiltration prevention structures for preventing liquid infiltration manhole assemblies gate value sealing structures for preventing settling or shifting of key box bonnets and method for using said structures A gate valve box adaptor structure, the present invention provides a permanent support for the key box bonnet that is unaffected by the surrounding environment. The adaptor is supported on the gate valve to a positive location for the key box bonnet at a ... | 05/08/2001 |
| 5730180 | Positioning member for a curb stop box A positioning member for a curb stop box which extends into the ground over an underground valve to hold the passageway through the curb stop box in alignment with the operating member of the underground valve so a tool can be extended down into the stop ... | 03/24/1998 |
| 5634488 | Modular valve service box A modular valve service box having a modular element cooperative with variable sized valve housings in order to secure variable sized valve housings beneath the ground and provide a conduit for access to same.... | 06/03/1997 |
| 4819687 | Valve box stabilizer A valve box stabilizer for stabilizing a valve box covering an underground valve housing including a body for receiving the neck of the valve, an inner wall portion for contacting this neck along a substantial portion of the valve, and the wall portion ha... | 04/11/1989 |
| 4534378 | Gate valve adaptor An adaptor for supporting a key box on an underground gate valve, the adaptor including a rectangular metal ring adapted to be seated on the gate valve bonnet flange, a number of radially extending arms positioned to engage the lower edge of the key box b... | 08/13/1985 |
| 4217933 | Diverter valve for septic systems A diverter valve adapted for use in septic systems for controlling the flow of effluent from a septic tank to a plurality of leach beds, comprising a thick-walled injection molded valve body of PVC or ABS plastic, closed at the bottom and having a central... | 08/19/1980 |
| 4044789 | Sanitary diversion valve An improved sanitary diversion valve is disclosed which provides a better seal to plastic sanitary pipe, is corrosion resistant, has an improved valve core retention mechanism, and a sealed access to prevent leakage and tampering. A resilient O-ring core ... | 08/30/1977 |
| 4036249 | Diverter valve A diverter valve, particularly adapted for use in septic systems, for controlling the flow of effluent from a septic tank to a plurality of leach beds, comprising a thick-walled valve body of cast urethane having a deep circular groove in the upper surfac... | 07/19/1977 |
