for producing high vacuum

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Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM PUMP WITH REDUCED SEAL REQUIREMENTS

    • Publication number 20250052241
    • Publication date Feb 13, 2025
    • Edwards Limited
    • Cainan Long
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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...