TREA

for producing high vacuum

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Industry

  • 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

    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...
  • Information Patent Grant

    Method for operating a vacuum pump system
    • Patent number 11,719,231
    • Issue date Aug 8, 2023
    • LEYBOLD GMBH
    • Matthias Nahrwold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump having liquid blades and an associated method of pumping
    • Patent number 11,719,244
    • Issue date Aug 8, 2023
    • Edwards Limited
    • Ian David Stones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cooled dry vacuum screw pump
    • Patent number 11,708,832
    • Issue date Jul 25, 2023
    • Khurram Akhtar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric priming pump device
    • Patent number 11,674,516
    • Issue date Jun 13, 2023
    • Joshua J. McPherson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum device
    • Patent number 11,668,305
    • Issue date Jun 6, 2023
    • Pfeiffer Vacuum GmbH
    • Steffen Herrmann
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Clutched vacuum pump system
    • Patent number 11,639,720
    • Issue date May 2, 2023
    • LITENS AUTOMOTIVE PARTNERSHIP
    • Gianmarc Coppola
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Enclosure system including wire mesh and thin non-porous membrane p...
    • Patent number 11,619,233
    • Issue date Apr 4, 2023
    • Edwards Limited
    • Malcolm William Gray
    • E04 - BUILDING
  • Information Patent Grant

    Complete bearing-sealed root vacuum pump system capable of promotin...
    • Patent number 11,619,231
    • Issue date Apr 4, 2023
    • ELVAC CO., LTD
    • Raymond Zhou Shaw
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Liquid ring pump control
    • Patent number 11,619,232
    • Issue date Apr 4, 2023
    • Edwards Limited
    • Joeri Coeckelbergs
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage rotary vane pump
    • Patent number 11,592,024
    • Issue date Feb 28, 2023
    • LEYBOLD GMBH
    • Jean-Francois Aubert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry pump and exhaust gas treatment method
    • Patent number 11,592,025
    • Issue date Feb 28, 2023
    • Edwards Japan Limited
    • Katsumi Nishimura
    • F28 - HEAT EXCHANGE IN GENERAL

Patents Applicationslast 30 patents

  • 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...
  • Information Patent Application

    VACUUM PUMPING SYSTEM HAVING AN OIL-LUBRICATED VACUUM PUMP
    • Publication number 20220235772
    • Publication date Jul 28, 2022
    • Agilent Technologies, Inc.
    • Roberto Carboneri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUMING DEVICE AND VACUUM APPARATUS
    • Publication number 20220170464
    • Publication date Jun 2, 2022
    • Hong WANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LUBRICANT RECEPTACLE
    • Publication number 20220145887
    • Publication date May 12, 2022
    • LEYBOLD FRANCE S.A.S.
    • Patrick Fournier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID TRANSFER APPARATUS
    • Publication number 20220127997
    • Publication date Apr 28, 2022
    • Korea Atomic Energy Research Institute
    • Yongkwon KOH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP HAVING A SILENCER
    • Publication number 20220128055
    • Publication date Apr 28, 2022
    • Leybold GmbH
    • Dieter Kolvenbach
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...