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  • F04B39/08
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B39/00Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Current Industry

F04B39/08Actuation of distribution members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Process for internally cooling an inline compressor
    • Patent number 12,366,237
    • Issue date Jul 22, 2025
    • Wayne A Wolf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Providing backpressure for electric compressor
    • Patent number 12,270,393
    • Issue date Apr 8, 2025
    • Bendix Commercial Vehicle Systems LLC
    • Richard J Conklin
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Kitchen appliance apparatus
    • Patent number 12,239,945
    • Issue date Mar 4, 2025
    • Airtender Works B.V.
    • Dalibor Borjanin
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Air stop sheet of piston of cylinder
    • Patent number 12,215,681
    • Issue date Feb 4, 2025
    • Wen-San Chou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Anti-pinch handle for air pump
    • Patent number 12,209,578
    • Issue date Jan 28, 2025
    • Scott Wu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Pump-valve integrated machine for pneumatic lumbar support of autom...
    • Patent number 12,078,161
    • Issue date Sep 3, 2024
    • NEW DEVELOPMENT (CHANGCHUN) AUTO CONTROL SYSTEM CO., LTD.
    • Yongan Suo
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Discharge valve arrangement for a refrigerant compressor
    • Patent number 12,018,666
    • Issue date Jun 25, 2024
    • Danfoss Commercial Compressors
    • Clement Martignago
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electromagnetic actuator
    • Patent number 11,879,448
    • Issue date Jan 23, 2024
    • Hoerbiger Wien GmbH
    • Gernot Bischelmeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fully actuated valve for a reciprocating machine and reciprocating...
    • Patent number 11,859,607
    • Issue date Jan 2, 2024
    • Nuovo Pignone Tecnologie Srl
    • Alessio Capanni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor-expander
    • Patent number 11,686,304
    • Issue date Jun 27, 2023
    • MITSUI E&S MACHINERY CO., LTD.
    • Motoyuki Takahashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internally cooled inline drive compressor
    • Patent number 11,680,560
    • Issue date Jun 20, 2023
    • Wayne A Wolf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure adjustment apparatus and method
    • Patent number 11,598,326
    • Issue date Mar 7, 2023
    • TELEFLEX MEDICAL INCORPORATED
    • David Troy Rowe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Minimum pressure valve and compressor comprising such a minimum pre...
    • Patent number 11,549,505
    • Issue date Jan 10, 2023
    • Atlas Copco Airpower Naamloze Vennootschap
    • Pieter De Schamphelaere
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method and device for expanding a gas with a reciprocating-piston m...
    • Patent number 11,519,267
    • Issue date Dec 6, 2022
    • Burckhardt Compression AG
    • Alexandre Voser
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Depressurizing device
    • Patent number 11,434,898
    • Issue date Sep 6, 2022
    • KOGE MICRO TECH CO., LTD.
    • Chih Chang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas operated unloader valve
    • Patent number 11,384,753
    • Issue date Jul 12, 2022
    • DRESSER-RAND COMPANY
    • Joel T. Sanford
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Discharge cut-off valve
    • Patent number 11,378,074
    • Issue date Jul 5, 2022
    • ZF CV Systems Europe BV
    • Michael Klatt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor
    • Patent number 11,353,014
    • Issue date Jun 7, 2022
    • HITACHI ASTEMO, LTD.
    • Tsutomu Ito
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Subsea pumping apparatuses and related methods
    • Patent number 11,339,788
    • Issue date May 24, 2022
    • TRANSOCEAN INNOVATION LABS LTD
    • Guy Robert Babbitt
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Precise control of suction damping device in a variable displacemen...
    • Patent number 11,319,939
    • Issue date May 3, 2022
    • HANON SYSTEMS
    • Kanwal Bhatia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump device
    • Patent number 11,225,955
    • Issue date Jan 18, 2022
    • Denso Corporation
    • Yukihiro Matsushita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic-powered air compressor
    • Patent number 11,156,215
    • Issue date Oct 26, 2021
    • MOJAHAZ SHAHRIAR TECHNICAL ENGINEERING SERVICE .CO, LTD
    • Mohammad Oroojloo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internally cooled inline drive compressor
    • Patent number 11,118,578
    • Issue date Sep 14, 2021
    • EXTIEL HOLDINGS, LLC
    • Wayne A Wolf
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor gas cutoff
    • Patent number 11,041,492
    • Issue date Jun 22, 2021
    • Donald R. McMullen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor valve body made by additive manufacturing
    • Patent number 11,009,017
    • Issue date May 18, 2021
    • Nuovo Pignone Tecnologie Srl
    • Alberto Babbini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular multi-channel syringe pump
    • Patent number 10,962,991
    • Issue date Mar 30, 2021
    • KORTEKS ADVANCED SCIENCES, INC.
    • Kanchana Sanjaya Gunesekera Karunaratne
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 10,935,017
    • Issue date Mar 2, 2021
    • LG Electronics Inc.
    • Hyunsoo Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric motor for compressor, compressor, and refrigeration cycle...
    • Patent number 10,900,696
    • Issue date Jan 26, 2021
    • Mitsubishi Electric Corporation
    • Kazuchika Tsuchida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thermally compensated bore guide systems and methods
    • Patent number 10,859,031
    • Issue date Dec 8, 2020
    • AI ALPINE US BIDCO INC
    • Julian R. Knudsen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Linear compressor
    • Patent number 10,830,232
    • Issue date Nov 10, 2020
    • LG Electronics Inc.
    • Hyunsoo Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COMPRESSOR
    • Publication number 20250101972
    • Publication date Mar 27, 2025
    • Samsung Electronics Co., Ltd.
    • Kyungmin KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20250059965
    • Publication date Feb 20, 2025
    • Mayekawa Mfg. Co., Ltd.
    • Takashige INABA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Anti-Pinch Handle for Air Pump
    • Publication number 20240175432
    • Publication date May 30, 2024
    • Scott Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR SUPPLY DEVICE
    • Publication number 20230141987
    • Publication date May 11, 2023
    • Funai Electric Co., Ltd.
    • Naoyuki WAKABAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUBSEA PUMPING APPARATUSES AND RELATED METHODS
    • Publication number 20230079573
    • Publication date Mar 16, 2023
    • TRANSOCEAN INNOVATION LABS, LTD
    • Guy Robert BABBITT
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    Discharge valve arrangement for a refrigerant compressor
    • Publication number 20220397109
    • Publication date Dec 15, 2022
    • DANFOSS COMMERCIAL COMPRESSORS
    • Clement Martignago
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A FULLY ACTUATED VALVE FOR A RECIPROCATING MACHINE AND RECIPROCATIN...
    • Publication number 20220056904
    • Publication date Feb 24, 2022
    • Nuovo Pignone Tecnologie S.r.l.
    • Alessio CAPANNI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNALLY COOLED INLINE DRIVE COMPRESSOR
    • Publication number 20210372388
    • Publication date Dec 2, 2021
    • WAYNE A WOLF
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Leveraged Compressor
    • Publication number 20210301799
    • Publication date Sep 30, 2021
    • James Clements
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTROMAGNETIC ACTUATOR
    • Publication number 20210190061
    • Publication date Jun 24, 2021
    • Hoerbiger Wien GmbH
    • Gernot Bischelmeier
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COOLANT COMPRESSOR
    • Publication number 20200386216
    • Publication date Dec 10, 2020
    • Raimund Almbauer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PRESSURE ADJUSTMENT APPARATUS AND METHOD
    • Publication number 20200355177
    • Publication date Nov 12, 2020
    • TELEFLEX MEDICAL INCORPORATED
    • David Troy ROWE
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    PRECISE CONTROL OF SUCTION DAMPING DEVICE IN A VARIABLE DISPLACEMEN...
    • Publication number 20200224647
    • Publication date Jul 16, 2020
    • HANON SYSTEMS
    • Kanwal Bhatia
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON COMPRESSOR VALVE AND METHOD FOR OPERATING A PISTON COMPRESSO...
    • Publication number 20200040883
    • Publication date Feb 6, 2020
    • Burckhardt Compression AG
    • Alexandre VOSER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE CLOSURE FOR A PISTON COMPRESSOR VALVE AND METHOD FOR OPERATIN...
    • Publication number 20200040884
    • Publication date Feb 6, 2020
    • Burckhardt Compression AG
    • Alexandre VOSER
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    COMPRESSOR GAS CUTOFF
    • Publication number 20200003204
    • Publication date Jan 2, 2020
    • Donald R. McMullen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR VALVE BODY MADE BY ADDITIVE MANUFACTURING
    • Publication number 20190390664
    • Publication date Dec 26, 2019
    • Nuovo Pignone Tecnologie S.r.l.
    • Alberto BABBINI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Micro high-pressure air compressor
    • Publication number 20190376498
    • Publication date Dec 12, 2019
    • Dong Luo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20190368482
    • Publication date Dec 5, 2019
    • Hitachi Automotive Systems, Ltd.
    • Tsutomu ITO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20190309743
    • Publication date Oct 10, 2019
    • LG ELECTRONICS INC.
    • Hyunsoo KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LINEAR COMPRESSOR
    • Publication number 20190309746
    • Publication date Oct 10, 2019
    • LG ELECTRONICS INC.
    • Hyunsoo KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODULAR MULTI-CHANNEL SYRINGE PUMP
    • Publication number 20190234399
    • Publication date Aug 1, 2019
    • Korteks Advanced Sciences, Inc.
    • Kanchana Sanjaya Gunesekera KARUNARATNE
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    Fluid Cylinder
    • Publication number 20190234389
    • Publication date Aug 1, 2019
    • Dongguan Richtek Electronics Co., Ltd.
    • Qi Yang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DISTRIBUTOR HEAD FOR A SUCTION PUMP
    • Publication number 20190219045
    • Publication date Jul 18, 2019
    • Sartorius Lab Instruments GMBH & CO. KG
    • Jonas BODE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC-POWERED AIR COMPRESSOR
    • Publication number 20190154023
    • Publication date May 23, 2019
    • Mojahaz Shahriar Technical Engineering Service .Co , Ltd
    • Mohammad Oroojloo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System and Method for a Reciprocating Injection Pump
    • Publication number 20190128247
    • Publication date May 2, 2019
    • Predominant Pumps & Automation Solutions LLC
    • Seth A. Douglas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having an Energy Saving Apparatus, and Method for Reliev...
    • Publication number 20190040855
    • Publication date Feb 7, 2019
    • Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    • Frederic AMIOT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS AND METHOD FOR GAS COMPRESSION
    • Publication number 20190032650
    • Publication date Jan 31, 2019
    • Scott Daniel Fleischman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston Compressor with a Closing Device for the Outlet Line
    • Publication number 20190017498
    • Publication date Jan 17, 2019
    • Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    • Gilles HEBRARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Piston Compressor Having a Venting Device
    • Publication number 20180372087
    • Publication date Dec 27, 2018
    • Knorr-Bremse Systeme fuer Nutzfahrzeuge GmbH
    • Gilles HEBRARD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...