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the return stroke being obtained by a spring

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  • CPC
  • F04B9/1215
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B9/00Piston machines or pumps characterised by the driving or driven means to or from their working members

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F04B9/1215the return stroke being obtained by a spring
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Valve controlled vacuum system
    • Patent number 11,491,421
    • Issue date Nov 8, 2022
    • Hamilton Sundstrand Corporation
    • Gerald P. Dyer
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Vacuum motor for operation of a lavage system
    • Patent number 9,861,770
    • Issue date Jan 9, 2018
    • Heraeus Medical GmbH
    • Sebastian Vogt
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Disposable low-cost pump in a container for liquid color dispensing
    • Patent number 8,800,821
    • Issue date Aug 12, 2014
    • Maguire Products, Inc.
    • Paul Sherwood Maguire
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Leak detection assembly
    • Patent number 5,635,630
    • Issue date Jun 3, 1997
    • Chrysler Corporation
    • Gary D. Dawson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Medical fluid pump powered by a constant source of vacuum
    • Patent number 5,554,011
    • Issue date Sep 10, 1996
    • Symbiosis Corporation
    • Thomas O. Bales
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vacuum driven fluid pump for an aspiration/irrigation instrument
    • Patent number 5,542,918
    • Issue date Aug 6, 1996
    • Zimmer, Inc.
    • Robert W. Atkinson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Leak detection assembly
    • Patent number 5,495,749
    • Issue date Mar 5, 1996
    • Chrysler Corporation
    • Gary D. Dawson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Integrity confirmation of evaporative emission control system again...
    • Patent number 5,383,437
    • Issue date Jan 24, 1995
    • Siemens Automotive Limited
    • John E. Cook
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vacuum-operated liquid pump
    • Patent number 4,110,058
    • Issue date Aug 29, 1978
    • Juan P. Langle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3722364
    • Patent number 3,722,364
    • Issue date Mar 27, 1973
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3162132
    • Patent number 3,162,132
    • Issue date Dec 22, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2552261
    • Patent number 2,552,261
    • Issue date May 8, 1951
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2494529
    • Patent number 2,494,529
    • Issue date Jan 10, 1950
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents