TREA

Sealing between piston and carter being provided by a bellow

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  • CPC
  • F04B39/047
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B39/00Component parts, details, or accessories, of pumps or pumping systems, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00

Current Industry

F04B39/047Sealing between piston and carter being provided by a bellow
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Bellows pressure relief valve
    • Patent number 11,703,047
    • Issue date Jul 18, 2023
    • Graco Minnesota Inc.
    • Timothy S. Roman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Bellows pressure relief valve
    • Patent number 10,982,665
    • Issue date Apr 20, 2021
    • Graco Minnesota Inc.
    • Timothy S. Roman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal compressor
    • Patent number 5,046,929
    • Issue date Sep 10, 1991
    • Digital Equipment Corporation
    • Shlomo Novotny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Evacuation apparatus
    • Patent number 4,954,047
    • Issue date Sep 4, 1990
    • Toyo Engineering Corporation
    • Nobuhisa Okuyama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating compressor providing a lubricant free compressed gas
    • Patent number 4,900,233
    • Issue date Feb 13, 1990
    • Sundstrand Corporation
    • David L. Ripley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocation apparatus with sealing mechanism
    • Patent number 4,870,821
    • Issue date Oct 3, 1989
    • Matsushita Electric Industrial Co., Ltd.
    • Terumaru Harada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Reciprocation apparatus with sealing mechanism
    • Patent number 4,769,992
    • Issue date Sep 13, 1988
    • Matsushita Electric Industrial Co., Ltd.
    • Terumaru Harada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Bellows seal
    • Patent number 4,556,369
    • Issue date Dec 3, 1985
    • Anton Braun
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3503304
    • Patent number 3,503,304
    • Issue date Mar 31, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3281065
    • Patent number 3,281,065
    • Issue date Oct 25, 1966
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    2791372
    • Patent number 2,791,372
    • Issue date May 7, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2782081
    • Patent number 2,782,081
    • Issue date Feb 19, 1957
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2668656
    • Patent number 2,668,656
    • Issue date Feb 9, 1954
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    1546397
    • Patent number 1,546,397
    • Issue date Jul 21, 1925
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    BELLOWS PRESSURE RELIEF VALVE
    • Publication number 20210199102
    • Publication date Jul 1, 2021
    • Graco Minnesota Inc.
    • Timothy S. Roman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...