TREA

for producing high vacuum

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  • CPC
  • F04C25/02
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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 F04C25/00Adaptations of pumps for special use of pumps for elastic fluids

Current Industry

F04C25/02for producing high vacuum
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Fluid transfer apparatus
    • Patent number 12,158,149
    • Issue date Dec 3, 2024
    • KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    • Yongkwon Koh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vacuum pump system and method for operating a vacuum pump system
    • Patent number 12,140,146
    • Issue date Nov 12, 2024
    • LEYBOLD GMBH
    • Max Pelikan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pumping
    • Patent number 12,129,841
    • Issue date Oct 29, 2024
    • Edwards Limited
    • Gerald Robin Shelley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump lubricant recovery system returning lubricant from the...
    • Patent number 12,104,597
    • Issue date Oct 1, 2024
    • ATLAS COPCO AIRPOWER N.V.
    • Andries Desiron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage pump apparatus including sealing member
    • Patent number 12,049,894
    • Issue date Jul 30, 2024
    • Edwards Limited
    • Paul Milner
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuum pump comprising a relief valve and a method of assembly of t...
    • Patent number 12,031,542
    • Issue date Jul 9, 2024
    • Edwards Limited
    • Neil Turner
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil box device of a roots vacuum pump with a crossed cooling water...
    • Patent number 12,018,681
    • Issue date Jun 25, 2024
    • ELIVAC Inc.
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump with integrated cowling and discharge muffler
    • Patent number 12,006,937
    • Issue date Jun 11, 2024
    • Agilent Technologies, Inc.
    • Vannie Lu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump speed controlling method and apparatus, a computer program and...
    • Patent number 12,006,935
    • Issue date Jun 11, 2024
    • Atlas Copco Airpower N.V.
    • Simon Candries
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Dry dual-scroll vacuum pump
    • Patent number 11,988,210
    • Issue date May 21, 2024
    • Zhejiang University
    • Shusheng Xiong
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 11,988,211
    • Issue date May 21, 2024
    • LEYBOLD GMBH
    • Joeri Coeckelbergs
    • 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

    Dry pump for gas and set of a plurality of dry pumps for gas
    • Patent number 11,920,592
    • Issue date Mar 5, 2024
    • Ateliers Busch SA
    • Théodore Iltchev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 11,905,954
    • Issue date Feb 20, 2024
    • Kabushiki Kaisha Toyota Jidoshokki
    • Tatsushi Mori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vacuuming device and vacuum apparatus
    • Patent number 11,905,958
    • Issue date Feb 20, 2024
    • Hong Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor
    • Patent number 11,879,465
    • Issue date Jan 23, 2024
    • Fujitsu General Limited
    • Kenshi Ueda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary slide assembly, and method for monitoring the wear of a slid...
    • Patent number 11,873,814
    • Issue date Jan 16, 2024
    • Gebr. Becker GmbH
    • Stefan Beierlein
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Temperature control of a pumped gas flow
    • Patent number 11,841,021
    • Issue date Dec 12, 2023
    • Edwards Limited
    • William Foote
    • F28 - HEAT EXCHANGE IN GENERAL
  • 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

    Water-ring vacuum pump including built-in hogging flow path
    • Patent number 11,828,286
    • Issue date Nov 28, 2023
    • VACCOMP CO., LTD.
    • Seok Won Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multiple stage vacuum pump
    • Patent number 11,821,427
    • Issue date Nov 21, 2023
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power saving vacuuming pump system based on complete-bearing-sealin...
    • Patent number 11,815,095
    • Issue date Nov 14, 2023
    • ELIVAL CO., LTD
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump unit
    • Patent number 11,815,096
    • Issue date Nov 14, 2023
    • PFEIFFER VACUUM
    • Eric Mandallaz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device and method for evacuating a chamber and purifying the gas ex...
    • Patent number 11,802,562
    • Issue date Oct 31, 2023
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Vacuum pump, scroll pump, and manufacturing method for such
    • Patent number 11,773,849
    • Issue date Oct 3, 2023
    • Pfeiffer Vacuum GmbH
    • Michael Willig
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Oil-lubricated rotary vane vacuum pump
    • Patent number 11,767,845
    • Issue date Sep 26, 2023
    • Gebr. Becker GmbH
    • Artjom Kraft
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Control system for liquid ring pumps
    • Patent number 11,746,785
    • Issue date Sep 5, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao)
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lubricant receptacle
    • Patent number 11,746,786
    • Issue date Sep 5, 2023
    • LEYBOLD FRANCE S.A.S.
    • Patrick Fournier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry-type primary vacuum pump and method for controlling the injecti...
    • Patent number 11,725,659
    • Issue date Aug 15, 2023
    • PFEIFFER VACUUM
    • Paul Decorde
    • 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...

Patents Applicationslast 30 patents

  • Information Patent Application

    SCREW PUMP, SCREW ROTOR, METHOD OF MANUFACTURING A SCREW ROTOR, AND...
    • Publication number 20240328419
    • Publication date Oct 3, 2024
    • Leybold GmbH
    • Roland Albert Müller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218879
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR FOR A VACUUM PUMP
    • Publication number 20240218877
    • Publication date Jul 4, 2024
    • Edwards Limited
    • Michael Henry North
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP AND METHOD OF MANUFACTURING A SEALING
    • Publication number 20240209857
    • Publication date Jun 27, 2024
    • PFEIFFER VACUUM TECHNOLOGY AG
    • Bernd KOCI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20240209855
    • Publication date Jun 27, 2024
    • PFEIFFER VACUUM TECHNOLOGY AG
    • Jonas BECKER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY VANE VACUUM PUMP WITH GAS BALLAST ASSEMBLY
    • Publication number 20240077078
    • Publication date Mar 7, 2024
    • Leybold (Tianjin) International Trade Co Ltd
    • Li Ouyang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR WEAR DETECTION IN INTERMESHING RUNNING GEARS
    • Publication number 20240068474
    • Publication date Feb 29, 2024
    • Leybold GmbH
    • Dirk Schiller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR STOPPING A VACUUM PUMP
    • Publication number 20240035472
    • Publication date Feb 1, 2024
    • Edwards S.R.O
    • Richard Glyn Horler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR OPERATING A SCROLL VACUUM PUMP
    • Publication number 20230392600
    • Publication date Dec 7, 2023
    • Leybold GmbH
    • Alexander Kaiser
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP, SCROLL PUMP, AND MANUFACTURING METHOD FOR SUCH
    • Publication number 20230383750
    • Publication date Nov 30, 2023
    • PFEIFFER VACUUM GMBH
    • Michael WILLIG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR COMPRESSOR HAVING VACUUM AND ASSOCIATED METHODS FOR LOADING AND...
    • Publication number 20230340957
    • Publication date Oct 26, 2023
    • Industrial Vacuum Transfer Services USA, LLC
    • Randall Earl Thomas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20230323879
    • Publication date Oct 12, 2023
    • Leybold GmbH
    • Dirk Schiller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY VACUUM PUMP AND MANUFACTURING METHOD
    • Publication number 20230323878
    • Publication date Oct 12, 2023
    • PFEIFFER VACUUM
    • Laetitia POPIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICANT-SEALED VACUUM PUMP, LUBRICANT FILTER AND METHOD
    • Publication number 20230296096
    • Publication date Sep 21, 2023
    • LEYBOLD FRANCE S.A.S.
    • Christophe Despesse
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TWO-STAGE ROTARY VANE VACUUM PUMP CASING
    • Publication number 20230228271
    • Publication date Jul 20, 2023
    • Leybold (Tianjin) International Trade Co., Ltd.
    • Li Ouyang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR DETERMINING VACUUM DEGREE THRESHOLD, AND MEDIUM, AND ELE...
    • Publication number 20230227015
    • Publication date Jul 20, 2023
    • GREAT WALL MOTOR COMPANY LIMITED
    • Wenlong Chen
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET
    • Publication number 20230167822
    • Publication date Jun 1, 2023
    • Raymond Zhou Shaw
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    PUMP SPEED CONTROLLING METHOD AND APPARATUS, A COMPUTER PROGRAM AND...
    • Publication number 20230167824
    • Publication date Jun 1, 2023
    • Atlas Copco Airpower N.V.
    • Simon Candries
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR AND VACUUM PUMP
    • Publication number 20230151814
    • Publication date May 18, 2023
    • VACUUBRAND GMBH + CO KG
    • Tobias Müller
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A LUBRICANT RECOVERY SYSTEM
    • Publication number 20230122823
    • Publication date Apr 20, 2023
    • Atlas Copco Airpower N.V.
    • Andries Desiron
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20230097903
    • Publication date Mar 30, 2023
    • EDWARDS JAPAN LIMITED
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM SYSTEM HAVING CONDENSER AND ROOT VACUUM PUMP SET
    • Publication number 20230096279
    • Publication date Mar 30, 2023
    • Raymond Zhou Shaw
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTIPLE STAGE VACUUM PUMP
    • Publication number 20230076739
    • Publication date Mar 9, 2023
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP SYSTEM AND METHOD FOR OPERATING A VACUUM PUMP SYSTEM
    • Publication number 20230033429
    • Publication date Feb 2, 2023
    • Leybold GmbH
    • Max Pelikan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY VACUUM PUMP
    • Publication number 20230033204
    • Publication date Feb 2, 2023
    • PFEIFFER VACUUM
    • Yann OLIVIER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REDUNDANT PUMPING SYSTEM AND PUMPING METHOD BY MEANS OF THIS PUMPIN...
    • Publication number 20230003208
    • Publication date Jan 5, 2023
    • ATELIERS BUSCH SA
    • Paul Alers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY-TYPE PRIMARY VACUUM PUMP AND METHOD FOR CONTROLLING THE INJECTI...
    • Publication number 20220372979
    • Publication date Nov 24, 2022
    • PFEIFFER VACUUM
    • Paul DECORDE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SENSOR ASSEMBLY
    • Publication number 20220372981
    • Publication date Nov 24, 2022
    • Edwards Limited
    • Peter Anthony McBrien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP UNIT
    • Publication number 20220299030
    • Publication date Sep 22, 2022
    • PFEIFFER VACUUM
    • Eric MANDALLAZ
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COOLED DRY VACUUM SCREW PUMP
    • Publication number 20220268279
    • Publication date Aug 25, 2022
    • FRUVAC LTD.
    • Khurram Akhtar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...