Assignee
GROVE VALVE & REGULATOR CO
42 granted patents·878 citations·filing 1974–1992
Top patents by PatentIndex Score
42 records- 0190US4540025AThrottling ball valveGROVE VALVE & REGULATOR CO·Filed 1983·Granted Sep 10, 1985·67 cites·4 claims
- 0289US3933172APipeline surge reliever with sanitary barrierGROVE VALVE & REGULATOR CO·Filed 1975·Granted Jan 20, 1976·63 cites·10 claims
- 0386US3972364APressure surge relief systemGROVE VALVE & REGULATOR CO·Filed 1975·Granted Aug 3, 1976·41 cites·11 claims
- 0481US4345738AFire safe sealGROVE VALVE & REGULATOR CO·Filed 1980·Granted Aug 24, 1982·38 cites·6 claims
- 0579US4416301AAnnular piston valveGROVE VALVE & REGULATOR CO·Filed 1981·Granted Nov 22, 1983·34 cites·6 claims
- 0678US5267722AValve with dual durometer ball sealGROVE VALVE & REGULATOR CO·Filed 1992·Granted Dec 7, 1993·45 cites·2 claims
- 0778US4261387APipeline surge relief systemGROVE VALVE & REGULATOR CO·Filed 1979·Granted Apr 14, 1981·28 cites·7 claims
- 0877US4593915AOrifice plate seal ringGROVE VALVE & REGULATOR CO·Filed 1984·Granted Jun 10, 1986·33 cites·6 claims
- 0974US3981066AMethod and apparatus for inserting seal rings into restricted groovesGROVE VALVE & REGULATOR CO·Filed 1974·Granted Sep 21, 1976·37 cites·2 claims
- 1074US3934606ACam locked ball valveGROVE VALVE & REGULATOR CO·Filed 1974·Granted Jan 27, 1976·36 cites·6 claims
- 1173US4340079AEnergy dissipating pipeline surge relief systemGROVE VALVE & REGULATOR CO·Filed 1980·Granted Jul 20, 1982·33 cites·26 claims
- 1272US4370893AOrifice meter with replacable orifice discGROVE VALVE & REGULATOR CO·Filed 1981·Granted Feb 1, 1983·27 cites·6 claims
- 1371US4281680ASwing check valve constructionGROVE VALVE & REGULATOR CO·Filed 1979·Granted Aug 4, 1981·24 cites·4 claims
- 1470US4425806AModular orifice meter with isolation chamber valve closureGROVE VALVE & REGULATOR CO·Filed 1982·Granted Jan 17, 1984·23 cites·4 claims
- 1563US4292989AFire safe sealGROVE VALVE & REGULATOR CO·Filed 1979·Granted Oct 6, 1981·24 cites·5 claims
- 1660US4437486ALine removable valve structure with pipeline support meansGROVE VALVE & REGULATOR CO·Filed 1982·Granted Mar 20, 1984·15 cites·6 claims
- 1758US4026513APilot valveGROVE VALVE & REGULATOR CO·Filed 1975·Granted May 31, 1977·20 cites·3 claims
- 1856US4471799ALine removable ball valveGROVE VALVE & REGULATOR CO·Filed 1982·Granted Sep 18, 1984·24 cites·3 claims
- 1955US4476730AOrifice meter with pressure venting and equalizing safety deviceGROVE VALVE & REGULATOR CO·Filed 1982·Granted Oct 16, 1984·15 cites·12 claims
- 2054US4260134ASkirted hub with full penetration butt weld to bodyGROVE VALVE & REGULATOR CO·Filed 1978·Granted Apr 7, 1981·14 cites·3 claims
- 2153US4410010AOrifice meter with isolation chamber seal on the orifice disc carrierGROVE VALVE & REGULATOR CO·Filed 1982·Granted Oct 18, 1983·14 cites·3 claims
- 2253US4399708AOrifice meter with rotatable isolation sealing memberGROVE VALVE & REGULATOR CO·Filed 1981·Granted Aug 23, 1983·14 cites·4 claims
- 2353US4337919ABearing retainers for a rotary valveGROVE VALVE & REGULATOR CO·Filed 1981·Granted Jul 6, 1982·16 cites·7 claims
- 2451US4083219AApparatus and method for forming cylindrical valve hubsGROVE VALVE & REGULATOR CO·Filed 1976·Granted Apr 11, 1978·11 cites·6 claims
- 2550US4566488AMulti-stage pressure reducing systemGROVE VALVE & REGULATOR CO·Filed 1980·Granted Jan 28, 1986·13 cites·10 claims
- 2650US4394826AOrifice meter with isolation valve on the carrierGROVE VALVE & REGULATOR CO·Filed 1981·Granted Jul 26, 1983·12 cites·4 claims
- 2750US4050669AExpansible tube valvesGROVE VALVE & REGULATOR CO·Filed 1975·Granted Sep 27, 1977·12 cites·2 claims
- 2850US3942756AExpansible tube valveGROVE VALVE & REGULATOR CO·Filed 1974·Granted Mar 9, 1976·13 cites·4 claims
- 2949US4387735ALine removable valve structure with extensible seal rings on pipeline support structureGROVE VALVE & REGULATOR CO·Filed 1982·Granted Jun 14, 1983·11 cites·7 claims
- 3048US4431022ALine removable valve structure with extensible seal rings on valve cartridgeGROVE VALVE & REGULATOR CO·Filed 1982·Granted Feb 14, 1984·13 cites·16 claims
- 3148US4313462ASequentially operated valve structureGROVE VALVE & REGULATOR CO·Filed 1980·Granted Feb 2, 1982·16 cites·6 claims
- 3245US4282757ADevice for detecting rate of change in pressureGROVE VALVE & REGULATOR CO·Filed 1979·Granted Aug 11, 1981·9 cites·5 claims
- 3344US4077604ACylindrical gate valve bodyGROVE VALVE & REGULATOR CO·Filed 1976·Granted Mar 7, 1978·10 cites·3 claims
- 3440US4827974ATop entry expansible tube valveGROVE VALVE & REGULATOR CO·Filed 1988·Granted May 9, 1989·10 cites·5 claims
- 3540US4412554AFire safe expansible tube type valveGROVE VALVE & REGULATOR CO·Filed 1981·Granted Nov 1, 1983·8 cites·2 claims
- 3640US4364410ABi-directional flow control systemGROVE VALVE & REGULATOR CO·Filed 1980·Granted Dec 21, 1982·8 cites·4 claims
- 3740US4135697ALow pressure pilot valveGROVE VALVE & REGULATOR CO·Filed 1977·Granted Jan 23, 1979·8 cites·4 claims
- 3839US4380936ATube mounting for orifice meterGROVE VALVE & REGULATOR CO·Filed 1981·Granted Apr 26, 1983·7 cites·5 claims
- 3938US4339112AIntegral end closure and hub for valve body and method of forming sameGROVE VALVE & REGULATOR CO·Filed 1980·Granted Jul 13, 1982·9 cites·3 claims
- 4036US4333496ASurge reliever with increase capacity flowGROVE VALVE & REGULATOR CO·Filed 1980·Granted Jun 8, 1982·12 cites·10 claims
- 4135US4413532AOrifice meter with isolation valve on the carrierGROVE VALVE & REGULATOR CO·Filed 1982·Granted Nov 8, 1983·5 cites·3 claims
- 4234US4313461APilot pressure intensifierGROVE VALVE & REGULATOR CO·Filed 1980·Granted Feb 2, 1982·6 cites·4 claims
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