F04B 1/28

Sub-Class

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Description

Class  F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS


Subclass 1/28: Multi-cylinder machines or pumps characterised by number or arrangement of cylinders (F04B 3/00 takes precedence; fluid-driven pumps F04B 9/08; control of reciprocating machines or pumps in general F04B 49/00) having cylinder axes coaxial with, or parallel or inclined to, main shaft axis Control for machines or pumps with stationary cylinders

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10590908 Hydrostatic axial piston motor of bent-axis constructionNov 20, 17Mar 17, 20Robert Bosch GmbH
10451027 Axial piston machine with outlet controlMar 09, 16Oct 22, 19Mahle International GmbH
10215169 Apparatus, system, and method for introducing a liquid into a vesselMay 15, 17Feb 26, 19RareCyte, Inc.
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
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.
6012905 Suction and discharge valve mechanism for fluid displacement apparatusFeb 25, 98Jan 11, 00SANDEN HOLDINGS CORPORATION
5273405 Fluid cushioning apparatus for hydraulic intensifier assemblyJul 07, 92Dec 28, 93POSSIS CORPORATION, THROUGH ITS JET EDGE, INC. SUBSIDIARY, TC/AMERICAN MONORAIL, INC.,
5165863 Slant plate type compressor with variable capacity control mechanismNov 13, 91Nov 24, 92SANDEN CORPORATION

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2019/0331,100 ADAPTIVE CONTROL SYSTEM AND METHODS FOR WELL SERVICE PUMP SYSTEMSApr 26, 19Oct 31, 19Not available
2016/0146,198 Metering PumpJun 23, 14May 26, 16Not available

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Patents Issued To Date - By Filing Year

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