F04B 1/20

Sub-Class

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Description

Class  F04B : POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS


Subclass 1/20: 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 having rotary cylinder block

Recent Patents

Patent #TitleFiling DateIssue DatePatent Owner
10598167 Semispherical shoe for swash plate compressor and swash plate compressorJul 22, 15Mar 24, 20NTN Corporation
10590920 Pump deviceNov 03, 15Mar 17, 20Danfoss A/S
10584690 Hydrostatic axial piston machineAug 08, 18Mar 10, 20Robert Bosch GmbH
10557461 Transmission assemblyOct 16, 17Feb 11, 20Hydro-Gear Limited Partnership
10533541 Hydraulic running surfaceJul 03, 18Jan 14, 20Hydro-Gear Limited Partnership
10533544 Swash plate type liquid-pressure rotating device and method of manufacturing sameMar 31, 15Jan 14, 20Kawasaki Jukogyo Kabushiki Kaisha
10527029 Axial piston pumpMay 15, 14Jan 07, 20HYDAC DRIVE CENTER GMBH
10519990 Hydraulic apparatusMar 26, 15Dec 31, 19YANMAR CO., LTD.
10495074 Pump arrangementNov 03, 15Dec 03, 19Danfoss A/S
10487811 Variable displacement swash plate type piston pumpDec 19, 16Nov 26, 19Kabushiki Kaisha Toyota Jidoshokki
10487825 Articulated coupling for piston sealing deviceFeb 22, 18Nov 26, 19Not available
10480142 Drive deviceJun 20, 16Nov 19, 19Hydro-Gear Limited Partnership
10465667 Variable displacement pumpSep 23, 16Nov 05, 19KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
10465668 Axial Piston MachineSep 29, 15Nov 05, 19Robert Bosch GmbH
10458387 Hydrostatic axial piston machineNov 30, 16Oct 29, 19Robert Bosch 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
10436184 Hydraulic deviceFeb 08, 16Oct 08, 19Danfoss A/.S
10422324 Wear ring for integrated drive generatorNov 22, 17Sep 24, 19HAMILTON SUNDSTRAND CORPORATION
10408199 Hydrostatic axial piston machine of swash plate design with an adjustable swept volume, in particular hydrostatic axial piston pumpJul 14, 17Sep 10, 19Robert Bosch GmbH

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Recent Publications

Publication #TitleFiling DatePub DatePatent Owner
2020/0072,196 Piston Pump with a High Delivery Rate at a Low Rotational Speed and Use of a Piston Pump in a Wind TurbineDec 12, 17Mar 05, 20Not available
2020/0063,723 HYDRAULIC ROTARY MACHINEMar 07, 17Feb 27, 20Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
2020/0063,722 HYDRAULIC DEVICEMay 02, 18Feb 27, 20INNAS BV
2020/0011,307 ROTARY TYPE VALVE PLATE COMPRESSORNov 20, 18Jan 09, 20Hyundai Motor Company; Hyundai Motor Company & Kia Motors Corporation;
2019/0390,663 HYDRAULIC PUMP WITH INLET BAFFLEJun 16, 17Dec 26, 19Not available
2019/0309,738 Hydrostatic Axial Piston MachineApr 04, 19Oct 10, 19Not available
2019/0277,269 Hydraulic ActuatorMar 01, 19Sep 12, 19Not available
2019/0234,388 HYDRAULIC MACHINEJan 23, 19Aug 01, 19Not available
2019/0219,041 PORT PLATE FOR INTEGRATED DRIVE GENERATORJan 18, 18Jul 18, 19Not available
2019/0211,811 A HYDRAULIC DEVICEMay 17, 17Jul 11, 19Not available
2019/0145,388 HYDRAULIC ROTARY MACHINE AND VALVE PLATE THEREOFSep 14, 16May 16, 19KYB Corporation
2019/0055,931 HYDRAULIC ROTARY MACHINESep 14, 16Feb 21, 19KYB Corporation
2018/0156,207 AXIAL PISTON HYDRAULIC PUMPDec 06, 17Jun 07, 18Not available
2016/0377,066 WATER-HYDRAULIC MACHINEJun 16, 16Dec 29, 16DANFOSS A/S
2016/0084,241 ULTRA-HIGH PRESSURE GENERATORSep 02, 15Mar 24, 16SUGINO MACHINE LIMITED
2016/0076,525 AXIAL PISTON PUMPMay 15, 14Mar 17, 16HYDAC DRIVE CENTER GMBH
2016/0025,080 APPARATUS INCLUDING SWASHPLATES FIXED ON SHAFT ASSEMBLY AND PISTON ASSEMBLIESJul 16, 15Jan 28, 16Not available
2016/0025,081 HYDRAULIC PUMP WITH DOUBLE DIRECTION OF ROTATIONMar 27, 14Jan 28, 16HYDRO LEDUC
2015/0252,763 FUEL PUMPJul 05, 13Sep 10, 15KAWASAKI JUKOGYO KABUSHIKI KAISHA
2015/0152,854 Variable Displacement CompressorMay 20, 13Jun 04, 15SANDEN HOLDINGS CORPORATION

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Top Owners in This Subclass

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Patents Issued To Date - By Filing Year

Average Time to Issuance