Assignee
GORMAN RUPP CO
US·34 granted patents·1 pending application·1,024 citations·filing 1975–2008
Top patents by PatentIndex Score
35 records- 0191US4157771ABag compressing device for dispensing fluidGORMAN RUPP CO·Filed 1977·Granted Jun 12, 1979·60 cites·5 claims
- 0290US7037069B2Impeller and wear plateGORMAN RUPP CO·Filed 2003·Granted May 2, 2006·101 cites·50 claims
- 0388US6758657B1Electromagnetically driven diaphragm pumpGORMAN RUPP CO·Filed 2002·Granted Jul 6, 2004·39 cites·15 claims
- 0486US8025479B2ImpellerGORMAN RUPP CO·Filed 2007·Granted Sep 27, 2011·14 cites·23 claims
- 0584US6568926B1Fluid metering pumpGORMAN RUPP CO·Filed 2001·Granted May 27, 2003·28 cites·14 claims
- 0684US4145008AWaste material pumping apparatusGORMAN RUPP CO·Filed 1977·Granted Mar 20, 1979·45 cites·10 claims
- 0784US4052133ACorrosion and abrasion resistant centrifugal pumpGORMAN RUPP CO·Filed 1975·Granted Oct 4, 1977·59 cites·16 claims
- 0883US6799943B2Centrifugal pump with multiple inletsGORMAN RUPP CO·Filed 2001·Granted Oct 5, 2004·33 cites·19 claims
- 0980US4815747AFace type seal assemblyGORMAN RUPP CO·Filed 1988·Granted Mar 28, 1989·40 cites·20 claims
- 1076US4856969AFluid powered diaphragm pump with cycle timerGORMAN RUPP CO·Filed 1988·Granted Aug 15, 1989·43 cites·8 claims
- 1175US5915931AMagnetic drive unit having molded plastic magnetic driverGORMAN RUPP CO·Filed 1997·Granted Jun 29, 1999·53 cites·19 claims
- 1275US4621990ADiaphragm pumpGORMAN RUPP CO·Filed 1985·Granted Nov 11, 1986·39 cites·6 claims
- 1375US4342538AFace-type shaft sealGORMAN RUPP CO·Filed 1980·Granted Aug 3, 1982·33 cites·4 claims
- 1474US7334600B2Priming apparatus for a centrifugal pumpGORMAN RUPP CO·Filed 2004·Granted Feb 26, 2008·17 cites·17 claims
- 1574US6224347B1Low volume, high precision, positive displacement pumpGORMAN RUPP CO·Filed 1999·Granted May 1, 2001·30 cites·35 claims
- 1672US6887034B2Centrifugal pump having adjustable clean-out assemblyGORMAN RUPP CO·Filed 2001·Granted May 3, 2005·26 cites·24 claims
- 1771US5660533AVacuum assisted priming and cooling system for a pumpGORMAN RUPP CO·Filed 1995·Granted Aug 26, 1997·39 cites·35 claims
- 1871US4844701AMobile pump apparatusGORMAN RUPP CO·Filed 1987·Granted Jul 4, 1989·32 cites·17 claims
- 1969US7156614B2Centrifugal pump with multiple inletsGORMAN RUPP CO·Filed 2004·Granted Jan 2, 2007·17 cites·26 claims
- 2066USD500325SBody portion for a fluid powered diaphragm pumpGORMAN RUPP CO·Filed 2003·Granted Dec 28, 2004·18 cites·1 claims
- 2166US4410924AMotor protection control circuitGORMAN RUPP CO·Filed 1981·Granted Oct 18, 1983·27 cites·3 claims
- 2265US4824337AValve assembly for an oscillating pumpGORMAN RUPP CO·Filed 1987·Granted Apr 25, 1989·26 cites·6 claims
- 2363US4063708AQuick disconnect device for flexible tubesGORMAN RUPP CO·Filed 1976·Granted Dec 20, 1977·23 cites·12 claims
- 2461US5915930ABellows operated oscillating pumpGORMAN RUPP CO·Filed 1997·Granted Jun 29, 1999·21 cites·13 claims
- 2559US6960068B1Center valve sleeve retention system for an oscillating pumpGORMAN RUPP CO·Filed 2004·Granted Nov 1, 2005·6 cites·18 claims
- 2658US6247490B1Booster stationGORMAN RUPP CO·Filed 2000·Granted Jun 19, 2001·10 cites·8 claims
- 2757US5180297AFluid transfer pump with shaft seal structureGORMAN RUPP CO·Filed 1991·Granted Jan 19, 1993·24 cites·26 claims
- 2855US5197869ARotary gear transfer pump having pressure balancing lubrication, bearing and mounting meansGORMAN RUPP CO·Filed 1991·Granted Mar 30, 1993·18 cites·21 claims
- 2952US2008138211A1Pump and valve systemGORMAN RUPP CO·Filed 2008·Application pending·0 cites
- 3051US6012910AElectromagnetic oscillating pump with self-aligning springsGORMAN RUPP CO·Filed 1997·Granted Jan 11, 2000·15 cites·8 claims
- 3148US6095772AShaft coupling systemGORMAN RUPP CO·Filed 1998·Granted Aug 1, 2000·30 cites·19 claims
- 3237US5322428AGear transfer pump with lubrication and sealing of the driveshaft and idler pinGORMAN RUPP CO·Filed 1992·Granted Jun 21, 1994·8 cites·19 claims
- 3336US4019020AControlled temperature fluid heaterGORMAN RUPP CO·Filed 1975·Granted Apr 19, 1977·30 cites·4 claims
- 3435US4865526APumping systemGORMAN RUPP CO·Filed 1988·Granted Sep 12, 1989·10 cites·8 claims
- 3535US4758133APumping systemGORMAN RUPP CO·Filed 1986·Granted Jul 19, 1988·10 cites·7 claims
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