The Gorman-Rupp Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04D NON-POSITIVE-DISPLACEMENT PUMPS767
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 359
 
  
 
1502 PUMPS AND COMPRESSORS314
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 164

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8500393 Chopper pumpSep 30, 09Aug 06, 13[F04D]
8439642 Pump and pump impellerMay 30, 08May 14, 13[F04D]
8414257 Self-priming centrifugal pumpOct 13, 06Apr 09, 13[F04B]
D677701 Submersible pump housingAug 16, 12Mar 12, 13[1502]
D667845 Submersible pump housingOct 01, 10Sep 25, 12[1502]
8128340 Stacked self-priming pump and centrifugal pumpMar 08, 04Mar 06, 12[F04D]
8123458 Stacked self-priming pump and centrifugal pumpMar 08, 05Feb 28, 12[F04D]
8025479 ImpellerMar 28, 07Sep 27, 11[F04D]
D622289 Pump station enclosureOct 02, 08Aug 24, 10[1502]
7156614 Centrifugal pump with multiple inletsAug 09, 04Jan 02, 07[F04D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0118,024 CENTRIFUGAL PUMP WITH SELF-CLEANING WEAR PLATEAbandonedOct 24, 14Apr 30, 15[F04D]
2013/0187,496 ELECTRICAL TERMINAL HOUSING FOR A SUBMERSIBLE PUMPAbandonedSep 30, 11Jul 25, 13[H01R]
8439069 Air release valveExpiredJan 12, 07May 14, 13[F16K, F04B]
2010/0090,412 CARTRIDGE SEALAbandonedOct 12, 06Apr 15, 10[F16J]
2008/0138,211 Pump and valve systemAbandonedFeb 14, 08Jun 12, 08[F04B]
7334600 Priming apparatus for a centrifugal pumpExpiredAug 19, 04Feb 26, 08[F16K]
2007/0292,285 Diaphragm PumpAbandonedJun 24, 04Dec 20, 07[F04B]
6960068 Center valve sleeve retention system for an oscillating pumpExpiredOct 18, 04Nov 01, 05[F04B]
6799943 Centrifugal pump with multiple inletsExpiredJul 24, 02Oct 05, 04[F04D]
6758657 Electromagnetically driven diaphragm pumpExpiredJun 20, 02Jul 06, 04[F04B, F01B]
6568926 Fluid metering pumpExpiredOct 31, 01May 27, 03[F04B]
6247490 Booster stationExpiredJan 06, 00Jun 19, 01[F16L]
6224347 Low volume, high precision, positive displacement pumpExpiredSep 13, 99May 01, 01[F04B]
6095772 Shaft coupling systemExpiredApr 20, 98Aug 01, 00[F04B]
6036453 Pump assemblyExpiredFeb 10, 98Mar 14, 00[F04B]
6012910 Electromagnetic oscillating pump with self-aligning springsExpiredJul 28, 97Jan 11, 00[F04B]
5915930 Bellows operated oscillating pumpExpiredJun 30, 97Jun 29, 99[F04B]
5725362 Pump assemblyExpiredMay 09, 95Mar 10, 98[F04B]
5660533 Vacuum assisted priming and cooling system for a pumpExpiredNov 09, 95Aug 26, 97[F04B]
5322428 Gear transfer pump with lubrication and sealing of the driveshaft and idler pinExpiredDec 07, 92Jun 21, 94[F04C]

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Top Inventors for This Owner

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