WARREN RUPP, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1151
 
  
 
E03B INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER 112
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 144

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9316218 Method and apparatus for increasing compressed air efficiency in a pumpAug 08, 14Apr 19, 16[F04B]
8801404 Method for increasing compressed air efficiency in a pumpOct 10, 13Aug 12, 14[F04B]
8608460 Method and apparatus for increasing compressed air efficiency in a pumpJun 07, 13Dec 17, 13[G01M, F04B]
8485792 Method for increasing compressed air efficiency in a pumpJan 25, 10Jul 16, 13[F04B]
8425208 Air operated diaphragm pump with electric generatorMay 10, 10Apr 23, 13[F04B]
8382445 Air logic controllerDec 16, 09Feb 26, 13[F04B]
6241487 Fluid powered diaphragm pumpNov 10, 98Jun 05, 01[F04B, E03B]
D435855 Diaphragm pump housingDec 17, 99Jan 02, 01[1502]
6036445 Electric shifting mechanism/interface for fluid power diaphragm pumpsFeb 27, 98Mar 14, 00[F04B]
5996627 Adjustable fluid valve for diaphragm pumpsOct 15, 98Dec 07, 99[F15B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0215,519 AIR OPERATED DOUBLE DIAPHRAGM OVER CENTER VALVE PUMPAbandonedFeb 25, 09Aug 26, 10[F16K, F04B]
2009/0010,768 Pumping apparatus for shear-sensitive fluidsAbandonedJul 03, 07Jan 08, 09[F04B]
6962487 Fluid driven pump with improved exhaust port arrangementExpiredAug 07, 03Nov 08, 05[F04B]
6829542 Pump and method for facilitating maintenance and adjusting operation of said pumpExpiredMay 31, 00Dec 07, 04[G01F]
6129525 Speed control for fluid powered diaphragm pumpsExpiredAug 25, 98Oct 10, 00[F04B]
6004105 Diaphragm pump with adjustable stroke lengthExpiredFeb 23, 98Dec 21, 99[F04B]
5950523 Composite diaphragm having two layers wherein the first layer is chemically resistant and of reduced thickness in the area of flex of the bodyExpiredDec 09, 97Sep 14, 99[F01B]
5851109 Spacer and shim assembly for fluid powered diaphragm pumpsExpiredJan 22, 97Dec 22, 98[F04B]
5819792 Check ball valve seatExpiredMar 05, 97Oct 13, 98[F16K]
5724881 Diaphragm assembly for fluid powered diaphragm pumpsExpiredMar 11, 97Mar 10, 98[F16J]
5375625 Valve body assembly with detent and locking mechanismExpiredFeb 25, 93Dec 27, 94[F16K, F15B]
5332372 Modular double-diaphragm pumpExpiredApr 20, 92Jul 26, 94[F04B]
5165869 Diaphragm pumpExpiredFeb 10, 92Nov 24, 92[F04B]
4478560 Fluid-operated reciprocating pumpExpiredSep 23, 82Oct 23, 84[F04B]
4472115 Fluid-operated reciprocating pumpExpiredSep 07, 82Sep 18, 84[F04B]
4465102 Check valveExpiredMay 17, 82Aug 14, 84[F16K]

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