having cylinder axes coaxial with, or parallel or inclined to main shaft axis

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid end assembly

    • Patent number 12,152,582
    • Issue date Nov 26, 2024
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Brake hydraulic pressure control apparatus

    • Patent number 12,122,334
    • Issue date Oct 22, 2024
    • Robert Bosch GmbH
    • Tsutomu Ninbari
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Compressor device and compression method

    • Patent number 12,098,711
    • Issue date Sep 24, 2024
    • SERA GMBH
    • Stephan Hillebrand
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston ball end

    • Patent number 12,078,156
    • Issue date Sep 3, 2024
    • Hamilton Sundstrand Corporation
    • Jecee Jarman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wobble plate piston water pump for use in a low flow gas pressure w...

    • Patent number 12,049,879
    • Issue date Jul 30, 2024
    • James Hou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cover, fluid end and plunger pump

    • Patent number 12,044,234
    • Issue date Jul 23, 2024
    • Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
    • Xiaobin Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston body including an internal space for use in a hydraulic pump...

    • Patent number 12,025,112
    • Issue date Jul 2, 2024
    • Komatsu Ltd.
    • Shunsuke Koide
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic piston machine

    • Patent number 11,952,987
    • Issue date Apr 9, 2024
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage electric gas pump

    • Patent number 11,905,943
    • Issue date Feb 20, 2024
    • Fluke Corporation
    • Fudong Xu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric/hydraulic safety valve

    • Patent number 11,885,202
    • Issue date Jan 30, 2024
    • Halliburton Energy Services, Inc.
    • James Dan Vick
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump displacement control device having a feedback lever

    • Patent number 11,879,452
    • Issue date Jan 23, 2024
    • KYB Corporation
    • Tetsuya Iwanaji
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric drive compressor system

    • Patent number 11,867,163
    • Issue date Jan 9, 2024
    • UNICLA INTERNATIONAL LIMITED
    • Mark Mitchell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston of a hydraulic piston machine

    • Patent number 11,828,274
    • Issue date Nov 28, 2023
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Adjusting device for an axial piston machine

    • Patent number 11,828,276
    • Issue date Nov 28, 2023
    • Liebherr Machines Bulle SA
    • Patrick Wohlhauser
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Double acting pump design utilizing two rotating discs

    • Patent number 11,808,259
    • Issue date Nov 7, 2023
    • GARTECH, LLC
    • Gary Pendleton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-hydraulic machine unit for attachment to a hydraulic assembly

    • Patent number 11,795,926
    • Issue date Oct 24, 2023
    • Robert Bosch GmbH
    • Benjamin Joa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compressor

    • Patent number 11,773,837
    • Issue date Oct 3, 2023
    • T/CCI Manufacturing, L.L.C.
    • Edward M. Arrieta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric power and thermal management system

    • Patent number 11,760,228
    • Issue date Sep 19, 2023
    • Hyundai Motor Company
    • Gwi Taek Kim
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Piston of a hydraulic machine and hydraulic piston machine

    • Patent number 11,754,059
    • Issue date Sep 12, 2023
    • Danfoss A/S
    • Stig Kildegaard Andersen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Debris exclusion seal guard for a pump

    • Patent number 11,708,831
    • Issue date Jul 25, 2023
    • Parker-Hannifin Corporation
    • Thomas K. Castle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reliability assessable systems for actuating hydraulically actuated...

    • Patent number 11,668,149
    • Issue date Jun 6, 2023
    • Transocean Innovation Labs Ltd.
    • Andrew Leach
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Ultra-long stroke multi-cylinder reciprocating pump

    • Patent number 11,655,805
    • Issue date May 23, 2023
    • SOUTHWEST PETROLEUM UNIVERSITY
    • Yongjun Hou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid end assembly

    • Patent number 11,655,812
    • Issue date May 23, 2023
    • Kerr Machine Co.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sliding member

    • Patent number 11,649,802
    • Issue date May 16, 2023
    • Daido Metal Company Ltd.
    • Junpei Hosokawa
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Swashplate-type axial plunger pump with multi-channel oil feed and...

    • Patent number 11,644,017
    • Issue date May 9, 2023
    • Yanshan University
    • Desheng Wen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multiport pumps with multi-functional flow paths

    • Patent number 11,614,099
    • Issue date Mar 28, 2023
    • AOI (Advanced Oilfield Innovations, Inc.)
    • Daniel Maurice Lerner
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Hydrostatic axial piston machine of swash plate construction

    • Patent number 11,598,322
    • Issue date Mar 7, 2023
    • Robert Bosch GmbH
    • Andreas Apperger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydrostatic piston machine unit

    • Patent number 11,592,012
    • Issue date Feb 28, 2023
    • Robert Bosch GmbH
    • David Breuer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Servoless motor

    • Patent number 11,592,000
    • Issue date Feb 28, 2023
    • Danfoss Power Solutions, Inc.
    • Steven Leege
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Grant

    Torque control system for a variable displacement pump

    • Patent number 11,536,265
    • Issue date Dec 27, 2022
    • Danfoss Power Solutions II Technology A/S
    • Don Rulon Draper
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20240426294
    • Publication date Dec 26, 2024
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive Displacement Pump

    • Publication number 20240401577
    • Publication date Dec 5, 2024
    • Carlisle Fluid Technologies, LLC
    • Randy Crockett
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRO-HYDRAULIC APPARATUS, AND VEHICLE COMPRISING ELECTRO-HYDRAUL...

    • Publication number 20240337256
    • Publication date Oct 10, 2024
    • VOLVO CONSTRUCTION EQUIPMENT AB
    • Kim Heybroek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON BALL END

    • Publication number 20240240624
    • Publication date Jul 18, 2024
    • HAMILTON SUNDSTRAND CORPORATION
    • Jecee Jarman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC DEVICE

    • Publication number 20240218871
    • Publication date Jul 4, 2024
    • INNAS BV
    • Peter Augustinus Johannes Achten
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DESMODROMIC MECHANISM AND FLUID PUMP

    • Publication number 20240167462
    • Publication date May 23, 2024
    • The Regents of the University of Michigan
    • André Louis Boehman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON ASSEMBLY

    • Publication number 20240151216
    • Publication date May 9, 2024
    • Dana Motion Systems Italia S.R.L.
    • Luca FONTANESI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING ASSEMBLY AND HYDRAULIC PISTON PUMP / MOTOR

    • Publication number 20240125310
    • Publication date Apr 18, 2024
    • Dana Motion Systems Italia S.R.L.
    • Piergiorgio Trinchieri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PLUNGER PUMPS HAVING LEAK-DETECTION SYSTEMS AND METHODS FOR USING T...

    • Publication number 20240125317
    • Publication date Apr 18, 2024
    • CHECKPOINT GROUP, INC.
    • Bill Schneck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ADJUSTING DEVICE FOR AN AXIAL PISTON MACHINE

    • Publication number 20240052816
    • Publication date Feb 15, 2024
    • Liebherr Machines Bulle SA
    • Patrick WOHLHAUSER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    FLUID END WITH NON-CIRCULAR BORES AND CLOSURES FOR THE SAME

    • Publication number 20230407852
    • Publication date Dec 21, 2023
    • GD Energy Products, LLC
    • Adam Bradley Avey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END WITH NON-CIRCULAR BORES AND CLOSURES FOR THE SAME

    • Publication number 20230407853
    • Publication date Dec 21, 2023
    • GD Energy Products, LLC
    • Adam Bradley Avey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRIVE DEVICE FOR A HIGH PRESSURE CLEANING APPLIANCE

    • Publication number 20230400088
    • Publication date Dec 14, 2023
    • Alfred Kärcher SE & Co. KG
    • Wolfgang Mueller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20230287882
    • Publication date Sep 14, 2023
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Hub Feed Oil System

    • Publication number 20230279847
    • Publication date Sep 7, 2023
    • Overair, Inc.
    • William Martin Waide
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AXIAL PISTON MACHINE HAVING A SEAL RING WHICH IS SPHERICAL IN SECTIONS

    • Publication number 20230228264
    • Publication date Jul 20, 2023
    • Moog GmbH
    • Dirk Becher
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SERVOLESS MOTOR

    • Publication number 20230136445
    • Publication date May 4, 2023
    • Danfoss Power Solutions, Inc.
    • Steven Leege
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20230116452
    • Publication date Apr 13, 2023
    • KERR MACHINE CO.
    • Mark S. Nowell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WOBBLE PLATE PISTONWATER PUMP FOR USE INA LOW FLOW GAS PRESSURE WAS...

    • Publication number 20220412336
    • Publication date Dec 29, 2022
    • Active Products Inc.
    • James HOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ORTHOPEDIC JOINT DEVICE

    • Publication number 20220401244
    • Publication date Dec 22, 2022
    • Otto Bock Healthcare Products GmbH
    • Harald SIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC POWER AND THERMAL MANAGEMENT SYSTEM

    • Publication number 20220379773
    • Publication date Dec 1, 2022
    • Hyundai Motor Company
    • Gwi Taek Kim
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    FLUID END ASSEMBLY

    • Publication number 20220372972
    • Publication date Nov 24, 2022
    • KERR MACHINE CO.
    • Kelcy Jake Foster
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WOBBLE PLATE PISTONWATER PUMP FOR USE INA LOW FLOW GAS PRESSURE WAS...

    • Publication number 20220364557
    • Publication date Nov 17, 2022
    • Active Products Inc.
    • James HOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SLIDING MEMBER

    • Publication number 20220307461
    • Publication date Sep 29, 2022
    • DAIDO METAL COMPANY LTD
    • Junpei HOSOKAWA
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Fracturing pump assembly

    • Publication number 20220213890
    • Publication date Jul 7, 2022
    • Moien Ibrahim Louzon
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    PISTON PUMP FOR BRAKE SYSTEM

    • Publication number 20220185257
    • Publication date Jun 16, 2022
    • HYUNDAI MOBIS CO., LTD.
    • Young Chang CHOI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    BRAKE HYDRAULIC PRESSURE CONTROL APPARATUS

    • Publication number 20220176929
    • Publication date Jun 9, 2022
    • ROBERT BOSCH GmbH
    • Tsutomu Ninbari
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    MULTI-STAGE ELECTRIC GAS PUMP

    • Publication number 20220170456
    • Publication date Jun 2, 2022
    • FLUKE CORPORATION
    • Fudong Xu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydrostatic Axial Piston Machine of Swash Plate Construction

    • Publication number 20220074396
    • Publication date Mar 10, 2022
    • ROBERT BOSCH GmbH
    • Andreas Apperger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WOBBLE PLATE PUMP DRIVE WITH GEAR BOX

    • Publication number 20220042499
    • Publication date Feb 10, 2022
    • Ridge Tool Company
    • Qi ZHOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...