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Means for nullifying unswept space

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  • CPC
  • F04B37/16
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B37/00Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00

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F04B37/16Means for nullifying unswept space
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas jet deflection in pressurized systems
    • Patent number 12,049,883
    • Issue date Jul 30, 2024
    • SHINE Technologies, LLC
    • Arne V. Kobernik
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas jet deflection in pressurized systems
    • Patent number 11,795,929
    • Issue date Oct 24, 2023
    • SHINE Technologies, LLC
    • Arne V. Kobernik
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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
  • Information Patent Grant

    Cryopump with enhanced frontal array
    • Patent number 11,421,670
    • Issue date Aug 23, 2022
    • Edwards Vacuum LLC
    • Paul K. Mahoney
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump apparatus, and pump main body unit, control unit, and s...
    • Patent number 11,408,429
    • Issue date Aug 9, 2022
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump, and waterproof structure and control apparatus applied...
    • Patent number 11,215,187
    • Issue date Jan 4, 2022
    • Edwards Japan Limited
    • Kengo Saegusa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Cryopump and gate valve
    • Patent number 11,047,374
    • Issue date Jun 29, 2021
    • Sumitomo Heavy Industries, Ltd.
    • Ken Oikawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum evacuation system
    • Patent number 10,978,315
    • Issue date Apr 13, 2021
    • Ebara Corporation
    • Atsushi Shiokawa
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Membrane vacuum pump
    • Patent number 10,563,648
    • Issue date Feb 18, 2020
    • Pfeiffer Vacuum GmbH
    • Armin Conrad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Negative pressure pump and cylinder head cover
    • Patent number 10,233,915
    • Issue date Mar 19, 2019
    • Sanoh Industrial Co., Ltd.
    • Nobushi Yamazaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump protection net, method for manufacturing the same, and...
    • Patent number 9,976,572
    • Issue date May 22, 2018
    • Shimadzu Corporation
    • Masahito Kogame
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Splinter shield for vacuum pump, and vacuum pump with the splinter...
    • Patent number 9,816,530
    • Issue date Nov 14, 2017
    • Edwards Japan Limited
    • Satoshi Okudera
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum apparatus
    • Patent number 9,790,933
    • Issue date Oct 17, 2017
    • BORU INTERNATIONAL CO., LTD.
    • Jun Young Park
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Double vacuum pump apparatus, gas purification system provided with...
    • Patent number 8,715,400
    • Issue date May 6, 2014
    • Sumitomo Seiko Chemicals Co., Ltd.
    • Kazuo Haruna
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Trap device and trap system
    • Patent number 6,368,371
    • Issue date Apr 9, 2002
    • Ebara Corporation
    • Norihiko Nomura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage vacuum pump
    • Patent number 5,632,605
    • Issue date May 27, 1997
    • Commonwealth Scientific and Industrial Research Organisation
    • Eckhard Bez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage vacuum pump
    • Patent number 5,482,443
    • Issue date Jan 9, 1996
    • Commonwealth Scientific and Industrial Research Organization
    • Eckhard Bez
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump with discharge valve, inlet valve and misalignment comp...
    • Patent number 4,370,103
    • Issue date Jan 25, 1983
    • Arrowhead Research
    • Dwight E. Tripp
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diaphragm vacuum pump for vehicles
    • Patent number 3,969,045
    • Issue date Jul 13, 1976
    • Toyota Jidosha Kogyo Kabushiki Kaisha
    • Toshimitsu Sakai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Push rod and tappet assembly
    • Patent number 3,951,046
    • Issue date Apr 20, 1976
    • General Motors Corporation
    • Robert L. Lochmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1879947
    • Patent number 1,879,947
    • Issue date Sep 27, 1932
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1646754
    • Patent number 1,646,754
    • Issue date Oct 25, 1927
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1610940
    • Patent number 1,610,940
    • Issue date Dec 14, 1926
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1489912
    • Patent number 1,489,912
    • Issue date Apr 8, 1924
    • F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS

Patents Applicationslast 30 patents