F04B 1/28

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Patent/Pub #TitleFiling DateIssue/Publication DatePatent Owner
9989048 End of stroke detection for plunger velocity correctionJul 27, 15Jun 05, 18Caterpillar Inc.
9051927 Water pump having two operating conditionsJun 14, 12Jun 09, 15BRIGGS & STRATTON CORPORATION
8882474 Variable displacement type compressor with displacement control mechanismOct 27, 09Nov 11, 14KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
6974312 Pumping element for hydraulic pumpDec 13, 02Dec 13, 05CATERPILLAR INC.
6769667 Control valve for variable-capacity compressorNov 22, 02Aug 03, 04FUJIKOKI CORPORATION
6498973 Flow control for electro-hydraulic systemsDec 28, 00Dec 24, 02BLUE LEAF I.P., INC.
6210124 Variable swash plate compressorJan 27, 00Apr 03, 01FORD GLOBAL TECHNOLOGIES, INC., VISTEON GLOBAL TECHNOLOGIES, INC.,
6123513 Compressor with improved piston for lubricating the coupling portion between the piston and the driving bodyAug 08, 97Sep 26, 00Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
6012905 Suction and discharge valve mechanism for fluid displacement apparatusFeb 25, 98Jan 11, 00SANDEN HOLDINGS CORPORATION
5616008 Variable displacement compressorMar 27, 96Apr 01, 97Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
5606756 Air bedding system with diaphragm pumpApr 02, 96Mar 04, 97Price Manufacturing, Inc.
5588811 Air bed diaphragm pumpJul 14, 94Dec 31, 96Price Manufacturing, Inc.
5273405 Fluid cushioning apparatus for hydraulic intensifier assemblyJul 07, 92Dec 28, 93POSSIS CORPORATION, THROUGH ITS JET EDGE, INC. SUBSIDIARY, TC/AMERICAN MONORAIL, INC.,
5207751 Swash plate type pump with swash plate tilt angle controllerMar 09, 92May 04, 93Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
5205718 Variable displacement swash plate type compressorSep 09, 92Apr 27, 93Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
5176504 Apparatus for controlling hydraulic pumps for construction machineJan 17, 92Jan 05, 93Kabushiki Kaisha Komatsu Seisakusho
5174728 Variable capacity swash plate type compressorFeb 26, 92Dec 29, 92Kabushiki Kaisha Toyoda Jidoshokki Seisakusho
5165863 Slant plate type compressor with variable capacity control mechanismNov 13, 91Nov 24, 92SANDEN CORPORATION
5145325 Slant plate type compressor with variable displacement mechanismJun 27, 90Sep 08, 92SANDEN CORPORATION
5145326 Variable capacity wobble plate type compressor with capacity regulating valveJun 13, 90Sep 08, 92Kabushiki Kaisha Toyoda Jidoshokki Seisakusho

Showing 1 to 20 of 63 results