TREA

Holweck-type pumps

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Industry

  • CPC
  • F04D19/044
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D19/00Axial-flow pumps

Current Industry

F04D19/044Holweck-type pumps
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum pump and stator component of thread groove pump portion of t...
    • Patent number 12,158,152
    • Issue date Dec 3, 2024
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drag pump
    • Patent number 11,971,041
    • Issue date Apr 30, 2024
    • Edwards Limited
    • Michael Andrew Galtry
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and linked-type thread groove spacer
    • Patent number 11,898,565
    • Issue date Feb 13, 2024
    • Edwards Japan Limited
    • Kengo Saegusa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump including a cover, covering the base with an air insula...
    • Patent number 11,867,187
    • Issue date Jan 9, 2024
    • Shimadzu Corporation
    • Tomoki Yasuda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum thread-groove pump with thread exhaust channels
    • Patent number 11,802,568
    • Issue date Oct 31, 2023
    • Edwards Japan Limited
    • Shunsuke Takeda
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vacuum pump, and stator component, discharge port, and control mean...
    • Patent number 11,466,701
    • Issue date Oct 11, 2022
    • Edwards Japan Limited
    • Kazushi Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and leak detector
    • Patent number 11,359,988
    • Issue date Jun 14, 2022
    • Shimadzu Corporation
    • Masashi Manabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump system
    • Patent number 11,162,499
    • Issue date Nov 2, 2021
    • Shimadzu Corporation
    • Hiroaki Kimura
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Drag pump and a set of vacuum pumps including a drag pump
    • Patent number 11,143,191
    • Issue date Oct 12, 2021
    • Edwards Limited
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and rotating cylindrical body included in vacuum pump
    • Patent number 11,078,925
    • Issue date Aug 3, 2021
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vacuum pump
    • Patent number 11,009,040
    • Issue date May 18, 2021
    • Edwards Japan Limited
    • Manabu Nonaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,954,962
    • Issue date Mar 23, 2021
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,907,653
    • Issue date Feb 2, 2021
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,837,449
    • Issue date Nov 17, 2020
    • Shimadzu Corporation
    • Satoshi Kuno
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump with control device in relation to outer cylinder
    • Patent number 10,794,385
    • Issue date Oct 6, 2020
    • Shimadzu Corporation
    • Koichi Shimizu
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vacuum pump with heat generation element in relation to housing
    • Patent number 10,760,578
    • Issue date Sep 1, 2020
    • Shimadzu Corporation
    • Mamoru Shiba
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Stator-side member and vacuum pump
    • Patent number 10,704,555
    • Issue date Jul 7, 2020
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vacuum pump lubricant supply systems
    • Patent number 10,697,461
    • Issue date Jun 30, 2020
    • Edwards Limited
    • Oliver James Rudge
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbomolecular pump deposition control and particle management
    • Patent number 10,655,638
    • Issue date May 19, 2020
    • Lam Research Corporation
    • Dennis Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,590,958
    • Issue date Mar 17, 2020
    • Shimadzu Corporation
    • Tetsuya Tsubokawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and heat insulating spacer used in vacuum pump
    • Patent number 10,495,109
    • Issue date Dec 3, 2019
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,364,814
    • Issue date Jul 30, 2019
    • Edwards Japan Limited
    • Yongwei Shi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas transfer vacuum pump
    • Patent number 10,337,517
    • Issue date Jul 2, 2019
    • Edwards Limited
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and method of manufacturing vacuum pump
    • Patent number 10,267,337
    • Issue date Apr 23, 2019
    • Shimadzu Corporation
    • Tetsuya Tsubokawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,260,509
    • Issue date Apr 16, 2019
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Thread groove pump mechanism, vacuum pump including thread groove p...
    • Patent number 10,253,777
    • Issue date Apr 9, 2019
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,253,778
    • Issue date Apr 9, 2019
    • Shimadzu Corporation
    • Shingo Tsutsui
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and rotor thereof
    • Patent number 10,190,597
    • Issue date Jan 29, 2019
    • Edwards Japan Limited
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 10,132,329
    • Issue date Nov 20, 2018
    • Shimadzu Corporation
    • Tetsuya Tsubokawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump and mass spectrometer
    • Patent number 9,989,069
    • Issue date Jun 5, 2018
    • Shimadzu Corporation
    • Masashi Manabe
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • Information Patent Application

    VACUUM PUMP AND INSULATION MEMBER FOR USE IN VACUUM PUMP
    • Publication number 20240337266
    • Publication date Oct 10, 2024
    • Edwards Japan Limited
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20230417250
    • Publication date Dec 28, 2023
    • EDWARDS JAPAN LIMITED
    • Haruki Suzuki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND VACUUM PUMP ROTOR BLADE
    • Publication number 20230250826
    • Publication date Aug 10, 2023
    • Edwards Japan Limited
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20220260080
    • Publication date Aug 18, 2022
    • Edwards Japan Limited
    • Shunsuke Takeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND STATOR COMPONENT OF THREAD GROOVE PUMP PORTION OF T...
    • Publication number 20220235776
    • Publication date Jul 28, 2022
    • Edwards Japan Limited
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP SYSTEM
    • Publication number 20210088049
    • Publication date Mar 25, 2021
    • Leybold GmbH
    • Robert Alois SCHNEIDERS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND LEAK DETECTOR
    • Publication number 20200378857
    • Publication date Dec 3, 2020
    • Shimadzu Corporation
    • Masashi MANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    VACUUM PUMPING ARRANGEMENT
    • Publication number 20200355190
    • Publication date Nov 12, 2020
    • Edwards Limited
    • Christopher Mark Bailey
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A DRAG PUMP AND A SET OF VACUUM PUMPS INCLUDING A DRAG PUMP
    • Publication number 20200271118
    • Publication date Aug 27, 2020
    • Edwards Limited
    • Nigel Paul Schofield
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    TURBOMOLECULAR PUMP DEPOSITION CONTROL AND PARTICLE MANAGEMENT
    • Publication number 20190285090
    • Publication date Sep 19, 2019
    • LAM RESEARCH CORPORATION
    • Dennis Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20190120237
    • Publication date Apr 25, 2019
    • Shimadzu Corporation
    • Mamoru SHIBA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTOR AND VACUUM PUMP EQUIPPED WITH SAME
    • Publication number 20180128280
    • Publication date May 10, 2018
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP LUBRICANT SUPPLY SYSTEMS
    • Publication number 20180023577
    • Publication date Jan 25, 2018
    • Edwards Limited
    • Oliver James Rudge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP AND MASS SPECTROMETER
    • Publication number 20170074283
    • Publication date Mar 16, 2017
    • Shimadzu Corporation
    • Masashi MANABE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20150377239
    • Publication date Dec 31, 2015
    • EDWARDS LIMITED
    • Nigel Paul Schofield
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20150167679
    • Publication date Jun 18, 2015
    • PFEIFFER VACUUM GMBH
    • Bernhard Koch
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum pump
    • Publication number 20150030475
    • Publication date Jan 29, 2015
    • PFEIFFER VACUUM GMBH
    • Mirko Mekota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump
    • Publication number 20140369807
    • Publication date Dec 18, 2014
    • Ian David Stones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STATOR ELEMENT FOR A HOLWECK PUMP STAGE, VACUUM PUMP HAVING A HOLWE...
    • Publication number 20140314554
    • Publication date Oct 23, 2014
    • PFEIFFER VACUUM GMBH
    • Jan Hofmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20140294565
    • Publication date Oct 2, 2014
    • ARISAWA MFG. CO., LTD.
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    APPARATUS FOR KINETIC ENERGY STORAGE
    • Publication number 20140125171
    • Publication date May 8, 2014
    • PFEIFFER VACUUM GMBH
    • Wolfgang Bremer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20140072408
    • Publication date Mar 13, 2014
    • PFEIFFER VACUUM GMBH
    • Robert Watz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump and Rotor Thereof
    • Publication number 20140050607
    • Publication date Feb 20, 2014
    • Edwards Japan Limited
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotating Body of Vacuum Pump, Fixed Member Disposed Opposite Rotati...
    • Publication number 20130309076
    • Publication date Nov 21, 2013
    • EDWARDS JAPAN LIMITED
    • Manabu Nonaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Vacuum Pump
    • Publication number 20130243583
    • Publication date Sep 19, 2013
    • Edwards Japan Limited
    • Shinji Kawanishi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING ARRANGEMENT
    • Publication number 20130177453
    • Publication date Jul 11, 2013
    • EDWARDS LIMITED
    • Ian David Stones
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXHAUST PUMP
    • Publication number 20130170955
    • Publication date Jul 4, 2013
    • EDWARDS JAPAN LIMITED
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EXHAUST PUMP
    • Publication number 20130164124
    • Publication date Jun 27, 2013
    • EDWARDS JAPAN LIMITED
    • Yoshinobu Ohtachi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBO-MOLECULAR PUMP
    • Publication number 20130149105
    • Publication date Jun 13, 2013
    • EDWARDS JAPAN LIMITED
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VACUUM PUMP
    • Publication number 20130115094
    • Publication date May 9, 2013
    • Takashi Kabasawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...