F04B 1/107

Sub-Class

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Description

Class  F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS


Subclass 1/107: 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 cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary with an actuating or actuated element at the outer ends of the cylinders

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10598177 Pump unit with integrated piston pump and electric motorMay 02, 17Mar 24, 20Power Packer North America, Inc.
10578084 Hydraulic device with radial pistons comprising at least one ball bearingDec 17, 15Mar 03, 20Poclain Hydraulics Industrie
10563641 Distribution device for hydraulic machineJul 28, 15Feb 18, 20Poclain Hydraulics Industrie
10378357 Hydraulic radial piston device with improved pressure transition mechanismJan 14, 16Aug 13, 19Eaton Intelligent Power Limited
10082027 Piston unit and hydrostatic radial-piston machineJan 13, 16Sep 25, 18Robert Bosch GmbH
9970436 Pulsation-free positive displacement rotary pumpMay 02, 13May 15, 18SWISSINNOV PRODUCT SARL
9945360 Radial piston pump and wind power generatorJun 03, 15Apr 17, 18Hitachi, Ltd.
9932827 Hydraulic radial piston devicesJan 09, 15Apr 03, 18EATON INTELLIGENT POWER LIMITED
9784252 Hydrostatic radial piston machineJun 11, 12Oct 10, 17Not available
9518466 Hydraulic apparatus having an improved structure for its commissioningSep 19, 13Dec 13, 16POCLAIN HYDRAULICS INDUSTRIE
9512859 Hydraulic transmission circuit with multiple capacitiesJan 16, 13Dec 06, 16POCLAIN HYDRAULICS INDUSTRIE
9334956 Piston unitJul 07, 11May 10, 16ROBERT BOSCH GMBH
9303638 Variable radial fluid devices in seriesJun 25, 12Apr 05, 16BELL HELICOPTER TEXTRON INC.
9228571 Variable radial fluid device with differential piston controlJun 25, 12Jan 05, 16BELL HELICOPTER TEXTRON INC.
9188111 Displacement assembly for a fluid deviceDec 14, 09Nov 17, 15EATON CORPORATION
9133830 Fluid device with flexible ringOct 30, 09Sep 15, 15EATON CORPORATION
5632191 Piston roller alignment configuration for a radial piston mechanismNov 13, 95May 27, 97Poclain Hydraulics

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2018/0156,206 RADIAL PISTON DEVICE WITH REDUCED PRESSURE DROPMay 19, 16Jun 07, 18Eaton Corporation
2018/0142,677 INSERT TYPE ROTOR FOR RADIAL PISTON DEVICEMay 19, 16May 24, 18Eaton Corporation
2018/0073,492 HYDRAULIC RADIAL PISTON DEVICESep 01, 17Mar 15, 18Not available

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Patents Issued To Date - By Filing Year

Average Time to Issuance