F04B 1/12

Sub-Class

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Description

Class  F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS


Subclass 1/12: 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

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10598162 Pump and a desalination system including the pumpOct 20, 16Mar 24, 20KATADYN DESALINATION, LLC
10598146 Hydraulic pump-motorAug 08, 14Mar 24, 20Komatsu Ltd.
10533544 Swash plate type liquid-pressure rotating device and method of manufacturing sameMar 31, 15Jan 14, 20Kawasaki Jukogyo Kabushiki Kaisha
10527036 Pump housing with inline valveAug 23, 16Jan 07, 20Not available
10527029 Axial piston pumpMay 15, 14Jan 07, 20HYDAC DRIVE CENTER GMBH
10527028 Piston and liquid-pressure rotating device including sameMay 02, 16Jan 07, 20Kawasaki Jukogyo Kabushiki Kaisha
10487826 Integrated lubrication pumpJun 26, 15Nov 26, 19DANFOSS POWER SOLUTIONS GMBH & CO OHG
10487825 Articulated coupling for piston sealing deviceFeb 22, 18Nov 26, 19Not available
10458387 Hydrostatic axial piston machineNov 30, 16Oct 29, 19Robert Bosch GmbH
10451027 Axial piston machine with outlet controlMar 09, 16Oct 22, 19Mahle International GmbH
10443583 Vibratory drive with hydraulic pulse generatorNov 23, 16Oct 15, 19Robert Bosch GmbH
10443584 Fluid pressure pump and fluid pressure systemDec 07, 16Oct 15, 19Nabtesco Corporation
10408197 Axial piston pump/motorMar 24, 17Sep 10, 19Rolls Royce plc
10408198 Fluid pressure pump and fluid pressure systemDec 07, 16Sep 10, 19Nabtesco Corporation
10400742 Hydraulic machine with floating cylindersNov 30, 16Sep 03, 19MERLO GALFRÉ INNOVATION LAB S.R.L.
10384301 Sliding component, method for producing sliding component, and device for producing sliding componentOct 16, 13Aug 20, 19Komatsu Ltd.
10378523 Supplying device of fixed colorants volume for a colorant dispenserMar 06, 13Aug 13, 19Zhengzhou Sanhua Technology & Industry Co., Ltd
10371130 Magnetic piston shoe pair for axial piston pump and motor and control method thereofNov 29, 18Aug 06, 19Anhui University of Science and Technology
10352138 Lift apparatus for driving a downhole reciprocating pumpAug 09, 18Jul 16, 19I-JACK TECHNOLOGIES INCORPORATED
10316839 Pump plunger for a linearly actuated pumpDec 14, 16Jun 11, 19Caterpillar Inc.

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0011,306 AXIAL-PISTON MOTOR AND CYCLIC PROCESS DEVICESep 16, 19Jan 09, 20Volkswagen Aktiengesellschaft
2019/0360,473 WOBBLE PUMP COMPRISING A WOBBLE PLATEJan 16, 18Nov 28, 19Not available
2019/0316,572 Hydrostatic Axial Piston MachineApr 08, 19Oct 17, 19Not available
2019/0113,028 ROTATABLE PISTON ASSEMBLYOct 15, 18Apr 18, 19CurAegis Technologies, Inc.
2019/0003,466 Hydrostatic Positive-Displacement Machine Piston for the Hydrostatic Positive-Displacement Machine, and Cylinder Drum for the Hydrostatic Positive-Displacement MachineJun 14, 18Jan 03, 19Not available
2018/0066,638 HIGH PRESSURE PUMPJan 29, 16Mar 08, 18Not available
2018/0058,444 Pump housing with multiple discharge valvesAug 23, 16Mar 01, 18Not available
2017/0350,376 HYDRAULIC PUMPSep 03, 15Dec 07, 17HYUNDAI CONSTRUCTION EQUIPMENT
2017/0284,381 DOUBLE- HEADED PISTON TYPE SWASH PLATE COMPRESSORFeb 24, 17Oct 05, 17KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
2017/0184,080 SHOE FOR HYDRAULIC ROTARY DEVICE, AND HYDRAULIC ROTARY DEVICEJan 05, 15Jun 29, 17KAWASAKI JUKOGYO KABUSHIKI KAISHA
2017/0030,341 MULTI-PLUNGER CRYOGENIC PUMP HAVING INTAKE MANIFOLDJul 27, 15Feb 02, 17CATERPILLAR INC.
2016/0025,080 APPARATUS INCLUDING SWASHPLATES FIXED ON SHAFT ASSEMBLY AND PISTON ASSEMBLIESJul 16, 15Jan 28, 16Not available
2016/0003,237 PUMP DISCHARGE FLOW-RATE CONTROL DEVICEMar 06, 14Jan 07, 16KYB CORPORATION
2015/0273,137 CONTINUOUS FLUID DELIVERY SYSTEM AND METHODJun 12, 15Oct 01, 15BAYER HEALTHCARE LLC
2015/0275,891 INTEGRATED MOTOR AND PUMP ASSEMBLYMar 27, 15Oct 01, 15SCHLUMBERGER TECHNOLOGY CORPORATION
2015/0086,386 MULTI-CHAMBER PUMP APPARATUS, SYSTEMS, AND METHODSApr 19, 13Mar 26, 15SIEMENS HEALTHCARE DIAGNOSTICS INC.

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

Average Time to Issuance