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  • F04C29/126
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C29/00Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00

Current Industry

F04C29/126of the non-return type
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Multipath passive discharge valve for a compressor
    • Patent number 12,196,209
    • Issue date Jan 14, 2025
    • HANON SYSTEMS
    • Steven J. Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll structure and compressor with back pressure plate and floati...
    • Patent number 12,085,076
    • Issue date Sep 10, 2024
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CORPORATION LIMITED
    • Canyu Qian
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with a pressure relief low-speed rotation structure
    • Patent number 12,085,077
    • Issue date Sep 10, 2024
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CORPORATION
    • Baiying Huang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor with a suction valve having a spring, a seal, and a cyli...
    • Patent number 12,012,964
    • Issue date Jun 18, 2024
    • SIAM COMPRESSOR INDUSTRY CO., LTD.
    • Thongchai Borvonrungreung
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor and valve assembly
    • Patent number 11,965,507
    • Issue date Apr 23, 2024
    • Copeland LP
    • Titus Broek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 11,927,190
    • Issue date Mar 12, 2024
    • SCHWÄBISCHE HÜTTENWERKE AUTOMOTIVE GMBH
    • Thomas Tontsch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with backflow suppresion mechanism for an introdu...
    • Patent number 11,906,060
    • Issue date Feb 20, 2024
    • Daikin Industries, Ltd.
    • Yukihiro Inada
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor including silencer device containing silencing holes
    • Patent number 11,846,288
    • Issue date Dec 19, 2023
    • Copeland Climate Technologies (Suzhou) Co. Ltd.
    • Yuanyuan Wei
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump control
    • Patent number 11,828,285
    • Issue date Nov 28, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor
    • Patent number 11,773,854
    • Issue date Oct 3, 2023
    • LG Electronics Inc.
    • Sedong Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having capacity modulation assembly
    • Patent number 11,754,072
    • Issue date Sep 12, 2023
    • Copeland LP
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method of pumping in a system of vacuum pumps and system of vacuum...
    • Patent number 11,725,662
    • Issue date Aug 15, 2023
    • Ateliers Busch SA
    • Didier Müller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure scroll compressor
    • Patent number 11,703,052
    • Issue date Jul 18, 2023
    • Samsung Electronics Co., Ltd.
    • Yang Hee Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with axially slidable suction passage opening and...
    • Patent number 11,674,510
    • Issue date Jun 13, 2023
    • LG Electronics Inc.
    • Jungsun Choi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Damping apparatus for exhaust valve in compressor, exhaust valve as...
    • Patent number 11,493,040
    • Issue date Nov 8, 2022
    • Emerson Climate Technologies (Suzhou) Co., Ltd.
    • Hongwei Zou
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,480,175
    • Issue date Oct 25, 2022
    • Samsung Electronics Co., Ltd.
    • Junghoon Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,448,213
    • Issue date Sep 20, 2022
    • Samsung Electronics Co., Ltd.
    • Junghoon Park
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having hub plate
    • Patent number 11,434,910
    • Issue date Sep 6, 2022
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor comprising a valve provided on a fixed scroll tha...
    • Patent number 11,396,873
    • Issue date Jul 26, 2022
    • Danfoss (Tianjin) Ltd.
    • Changqiao Bao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,333,150
    • Issue date May 17, 2022
    • LG Electronics Inc.
    • Gyeongjoong Ryu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Check valve assembly
    • Patent number 11,293,558
    • Issue date Apr 5, 2022
    • Atlas Copco Airpower, naamloze vennootschap
    • Erwin Louis Annie Claes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor
    • Patent number 11,286,936
    • Issue date Mar 29, 2022
    • HANON SYSTEMS
    • Hong Min Kim
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor vehicle vacuum pump arrangement
    • Patent number 11,261,869
    • Issue date Mar 1, 2022
    • Pierburg Pump Technology GmbH
    • Sebastian Cramer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor with discharge valve
    • Patent number 11,174,861
    • Issue date Nov 16, 2021
    • Samsung Electronics Co., Ltd.
    • Sung Hea Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with improved valve installation
    • Patent number 11,131,302
    • Issue date Sep 28, 2021
    • Samsung Electronics Co., Ltd.
    • Nam Kyu Cho
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry-running gas vane pump having a first fluid outlet and a second...
    • Patent number 10,995,757
    • Issue date May 4, 2021
    • Pierburg Pump Technology GmbH
    • Tobias Gruene
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor having capacity modulation assembly
    • Patent number 10,995,753
    • Issue date May 4, 2021
    • Emerson Climate Technologies, Inc.
    • Jeffrey Lee Berning
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor having hub plate
    • Patent number 10,907,633
    • Issue date Feb 2, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. Doepker
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary compressor with a valve in the vane
    • Patent number 10,794,187
    • Issue date Oct 6, 2020
    • LG Electronics Inc.
    • Joonhong Park
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump with sound absorption and check valve
    • Patent number 10,774,835
    • Issue date Sep 15, 2020
    • HELLA GMBH & CO. KGAA
    • Ingo Geue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTIPATH PASSIVE DISCHARGE VALVE FOR A COMPRESSOR
    • Publication number 20240418171
    • Publication date Dec 19, 2024
    • HANON SYSTEMS
    • Steven J. Koester
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR AND REFRIGERATION APPARATUS
    • Publication number 20240271620
    • Publication date Aug 15, 2024
    • DAIKIN INDUSTRIES, LTD.
    • Taiga ARAKANE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A COMPRESSOR
    • Publication number 20230250822
    • Publication date Aug 10, 2023
    • Thongchai BORVONRUNGREUNG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL STRUCTURE AND COMPRESSOR
    • Publication number 20230204033
    • Publication date Jun 29, 2023
    • GUANGDONG MIDEA ENVIRONMENTAL TECHNOLOGIES CORPORATION LIMITED
    • Canyu QIAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20230131102
    • Publication date Apr 27, 2023
    • LG ELECTRONICS INC.
    • Sedong LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHECK VALVE ARRANGEMENT AND MOTOR VEHICLE VACUUM PUMP
    • Publication number 20220003329
    • Publication date Jan 6, 2022
    • PIERBURG PUMP TECHNOLOGY GMBH
    • Steffen SCHNURR
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    A LIQUID RING PUMP MANIFOLD
    • Publication number 20210372402
    • Publication date Dec 2, 2021
    • Edwards Technologies Vacuum Engineering (Qingdao), Co. Ltd.
    • Andries Daniel Jozef DE BOCK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20210190070
    • Publication date Jun 24, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Compressor Having Hub Plate
    • Publication number 20210148359
    • Publication date May 20, 2021
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method of Pumping in a System of Vacuum Pumps and System of Vacuum...
    • Publication number 20200318640
    • Publication date Oct 8, 2020
    • ATELIERS BUSCH SA
    • Didier Müller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY-RUNNING VANE GAS PUMP
    • Publication number 20200309134
    • Publication date Oct 1, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • TOBIAS GRUENE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCROLL COMPRESSOR
    • Publication number 20200232466
    • Publication date Jul 23, 2020
    • HANON SYSTEMS
    • Hong Min KIM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Having Capacity Modulation Assembly
    • Publication number 20190353164
    • Publication date Nov 21, 2019
    • Emerson Climate Technologies, Inc.
    • Jeffrey Lee BERNING
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHECK VALVE ASSEMBLY
    • Publication number 20190316694
    • Publication date Oct 17, 2019
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Erwin Louis Annie CLAES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor
    • Publication number 20190040861
    • Publication date Feb 7, 2019
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP WITH SOUND ABSORPTION AND CHECK VALVE
    • Publication number 20180335034
    • Publication date Nov 22, 2018
    • HELLA GmbH & Co. KGaA
    • Ingo Geue
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING SYSTEM FOR GENERATING A VACUUM AND METHOD FOR PUMPING BY ME...
    • Publication number 20170284394
    • Publication date Oct 5, 2017
    • ATELIERS BUSCH SA
    • Didier MÜLLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW COMPRESSOR
    • Publication number 20170211575
    • Publication date Jul 27, 2017
    • GEA REFRIGERATION GERMANY GMBH
    • Ole FREDRICH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DEVICE FOR COMPRESSING AND EXPANDING A GAS AND METHOD FOR CONTROLLI...
    • Publication number 20170122320
    • Publication date May 4, 2017
    • ATLAS COPCO AIRPOWER, naamloze vennootschap
    • Kris VAN CAMPFORT
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method of Pumping in a System of Vacuum Pumps and System of Vacuum...
    • Publication number 20170122321
    • Publication date May 4, 2017
    • ATELIERS BUSCH SA
    • Didier MÜLLER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CYLINDER-ROTATION-TYPE COMPRESSOR
    • Publication number 20170030357
    • Publication date Feb 2, 2017
    • Denso Corporation
    • Hiroshi OGAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR WITH THERMALLY-RESPONSIVE INJECTOR
    • Publication number 20170002818
    • Publication date Jan 5, 2017
    • Emerson Climate Technologies, Inc.
    • Robert C. Stover
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS COMPRESSOR
    • Publication number 20140369878
    • Publication date Dec 18, 2014
    • Hirotada Shimaguchi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SCROLL-TYPE COMPRESSOR AND CO2 VEHICLE AIR CONDITIONING SYSTEM HAVI...
    • Publication number 20140348682
    • Publication date Nov 27, 2014
    • Obrist Engineering GmbH
    • Frank OBRIST
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CHECK VALVE FOR AN ENGINE VACUUM PUMP
    • Publication number 20140322061
    • Publication date Oct 30, 2014
    • FORD GLOBAL TECHNOLOGIES, L.L.C.
    • Mohammad Ali Moetakef
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSOR
    • Publication number 20140301881
    • Publication date Oct 9, 2014
    • Takeshi Ogata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Scroll Pump
    • Publication number 20140154123
    • Publication date Jun 5, 2014
    • EDWARDS LIMITED
    • Ian David Stones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR
    • Publication number 20140134031
    • Publication date May 15, 2014
    • Emerson Climate Technologies, Inc.
    • Roy J. DOEPKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NEGATIVE PRESSURE SUPPLY UNIT
    • Publication number 20140119962
    • Publication date May 1, 2014
    • Aisan Kogyo Kabushiki Kaisha
    • Atsushi SUGIMOTO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Capacity Modulated Scroll Compressor
    • Publication number 20140064999
    • Publication date Mar 6, 2014
    • Emerson Climate Technologies, Inc.
    • Sunil Annappa Magadum
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...