Assignee
ROSS OPERATING VALVE CO
US·70 granted patents·2 pending applications·1,124 citations·filing 1974–2023
Top patents by PatentIndex Score
72 records- 0197US4372202AEmergency brake for pressesROSS OPERATING VALVE CO·Filed 1980·Granted Feb 8, 1983·115 cites·6 claims
- 0294US4111226AMultiple function four poppet valve systemROSS OPERATING VALVE CO·Filed 1977·Granted Sep 5, 1978·48 cites·7 claims
- 0392USD285246SHandle for a valveROSS OPERATING VALVE CO·Filed 1983·Granted Aug 19, 1986·32 cites·1 claims
- 0491US6685159B1Wireless, intrinsically safe valveROSS OPERATING VALVE CO·Filed 2001·Granted Feb 3, 2004·45 cites·22 claims
- 0589US4227547AValve safety indicating meansROSS OPERATING VALVE CO·Filed 1979·Granted Oct 14, 1980·34 cites·4 claims
- 0688US4542767AMonitor for double safety valvesROSS OPERATING VALVE CO·Filed 1983·Granted Sep 24, 1985·40 cites·3 claims
- 0788USD246908SSolenoid operated pilot valveROSS OPERATING VALVE CO·Filed 1975·Granted Jan 10, 1978·21 cites·1 claims
- 0886US4324314AMufflerROSS OPERATING VALVE CO·Filed 1980·Granted Apr 13, 1982·71 cites·14 claims
- 0986USD246907SSolenoid valve operatorROSS OPERATING VALVE CO·Filed 1975·Granted Jan 10, 1978·25 cites·1 claims
- 1085US7328719B2Valve state sensing moduleROSS OPERATING VALVE CO·Filed 2004·Granted Feb 12, 2008·41 cites·21 claims
- 1182US11739772B2Redundant valve manifold systemROSS OPERATING VALVE CO·Filed 2021·Granted Aug 29, 2023·2 cites·16 claims
- 1282US4075928ASafety valve for fluid systemsROSS OPERATING VALVE CO·Filed 1974·Granted Feb 28, 1978·40 cites·5 claims
- 1380US6604547B1Double valve with cross exhaustROSS OPERATING VALVE CO·Filed 2002·Granted Aug 12, 2003·20 cites·9 claims
- 1480US5067519ASafety valve for fluid systemsROSS OPERATING VALVE CO·Filed 1990·Granted Nov 26, 1991·36 cites·26 claims
- 1579US10234045B2Three position closed center poppet valveROSS OPERATING VALVE CO·Filed 2016·Granted Mar 19, 2019·4 cites·12 claims
- 1677US5163353AEnergy saving and monitoring pneumatic control valve systemROSS OPERATING VALVE CO·Filed 1991·Granted Nov 17, 1992·30 cites·46 claims
- 1776US3943972ASystem for conserving compressed air supplyROSS OPERATING VALVE CO·Filed 1975·Granted Mar 16, 1976·26 cites·7 claims
- 1875US6886593B2Safety valve with pressure indicatorROSS OPERATING VALVE CO·Filed 2003·Granted May 3, 2005·21 cites·20 claims
- 1975US6431209B1Multi-pressure ball-poppet control valveROSS OPERATING VALVE CO·Filed 2000·Granted Aug 13, 2002·14 cites·32 claims
- 2075US4883091AMulti-port self-regulating proportional pressure control valveROSS OPERATING VALVE CO·Filed 1988·Granted Nov 28, 1989·25 cites·20 claims
- 2174US6637462B2Variable pressure control deviceROSS OPERATING VALVE CO·Filed 2001·Granted Oct 28, 2003·15 cites·15 claims
- 2272US4257455ADouble safety valve for stamping presses and the likeROSS OPERATING VALVE CO·Filed 1980·Granted Mar 24, 1981·25 cites·16 claims
- 2371US5927324ACross flow with crossmirror and lock out capability valveROSS OPERATING VALVE CO·Filed 1996·Granted Jul 27, 1999·22 cites·20 claims
- 2470US6609767B2Pneumatic control systemROSS OPERATING VALVE CO·Filed 2001·Granted Aug 26, 2003·12 cites·24 claims
- 2570US3980336ASafety valve for tailgates or the likeROSS OPERATING VALVE CO·Filed 1974·Granted Sep 14, 1976·25 cites·4 claims
- 2669US5113907ADynamic self-monitoring air operating systemROSS OPERATING VALVE CO·Filed 1991·Granted May 19, 1992·28 cites·20 claims
- 2768US7281464B2Inlet monitor and latch for a crust breaking systemROSS OPERATING VALVE CO·Filed 2006·Granted Oct 16, 2007·6 cites·24 claims
- 2868US6649035B2Low energy and non-heat transferring crust breaking systemROSS OPERATING VALVE CO·Filed 2001·Granted Nov 18, 2003·6 cites·27 claims
- 2968US6478049B2Double valve with anti-tiedown capabilityROSS OPERATING VALVE CO·Filed 2001·Granted Nov 12, 2002·15 cites·16 claims
- 3066US7213612B2High pressure ball-poppet control valve with flow controlROSS OPERATING VALVE CO·Filed 2002·Granted May 8, 2007·7 cites·27 claims
- 3166US2023349401A1Redundant valve manifold systemROSS OPERATING VALVE CO·Filed 2023·Application pending·0 cites
- 3264US7114521B2Double valve constructed from unitary single valvesROSS OPERATING VALVE CO·Filed 2003·Granted Oct 3, 2006·10 cites·9 claims
- 3364US6840259B1Dynamically-monitored double valve with retained memory of valve statesROSS OPERATING VALVE CO·Filed 2003·Granted Jan 11, 2005·10 cites·13 claims
- 3461USD284989SValveROSS OPERATING VALVE CO·Filed 1983·Granted Aug 5, 1986·7 cites·1 claims
- 3560US6840258B1Dynamically-monitored double valve with anti-tiedown featureROSS OPERATING VALVE CO·Filed 2003·Granted Jan 11, 2005·8 cites·12 claims
- 3660US6751520B2Intrinsically safe microprocessor controlled pressure regulatorROSS OPERATING VALVE CO·Filed 2002·Granted Jun 15, 2004·13 cites·20 claims
- 3758US8028717B2High throughput double valve with reduced outlet pressure during a faulted stateROSS OPERATING VALVE CO·Filed 2007·Granted Oct 4, 2011·3 cites·15 claims
- 3858USD332822SValveROSS OPERATING VALVE CO·Filed 1990·Granted Jan 26, 1993·9 cites·1 claims
- 3958US4181148ASelf monitoring double valveROSS OPERATING VALVE CO·Filed 1978·Granted Jan 1, 1980·14 cites·16 claims
- 4054US6732761B2Solenoid valve for reduced energy consumptionROSS OPERATING VALVE CO·Filed 2002·Granted May 11, 2004·5 cites·11 claims
- 4154US6318396B1Double valve with anti-tiedown capabilityROSS OPERATING VALVE CO·Filed 2000·Granted Nov 20, 2001·6 cites·4 claims
- 4253US9651068B2Double valve constructed from unitary single valvesROSS OPERATING VALVE CO·Filed 2014·Granted May 16, 2017·0 cites·11 claims
- 4353US6834661B2Dual mode solenoid valve with pressure regulationROSS OPERATING VALVE CO·Filed 2003·Granted Dec 28, 2004·5 cites·12 claims
- 4452USD250658SValveROSS OPERATING VALVE CO·Filed 1976·Granted Dec 26, 1978·4 cites·1 claims
- 4552US4033615APort threadROSS OPERATING VALVE CO·Filed 1975·Granted Jul 5, 1977·17 cites·2 claims
- 4651US4930401AValve system and arrangement for on-line valve replacementROSS OPERATING VALVE CO·Filed 1988·Granted Jun 5, 1990·16 cites·13 claims
- 4749USD258953SSolenoid coverROSS OPERATING VALVE CO·Filed 1978·Granted Apr 21, 1981·7 cites·1 claims
- 4847US6830066B1Valve with positively driven sensing switch connectionROSS OPERATING VALVE CO·Filed 2003·Granted Dec 14, 2004·6 cites·10 claims
- 4947US6155293ADouble valve with anti-tiedown capabilityROSS OPERATING VALVE CO·Filed 1999·Granted Dec 5, 2000·11 cites·16 claims
- 5047US4509556AFlow control for valve interfaceROSS OPERATING VALVE CO·Filed 1982·Granted Apr 9, 1985·10 cites·7 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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