TREA

the member being of the lost-motion type

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  • CPC
  • F04B7/0073
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS F04B7/00Piston machines or pumps characterised by having positively-driven valving

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F04B7/0073the member being of the lost-motion type
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump for spraying liquid
    • Patent number 11,835,042
    • Issue date Dec 5, 2023
    • SAMHWA CO., LTD.
    • Kyungchang Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Plunger actuated valve
    • Patent number 11,708,823
    • Issue date Jul 25, 2023
    • Halliburton Energy Services, Inc.
    • Justin Lee Hurst
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressure booster and cylinder apparatus provided with same
    • Patent number 11,143,175
    • Issue date Oct 12, 2021
    • SMC Corporation
    • Hiroyuki Asahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid delivery system
    • Patent number 10,981,554
    • Issue date Apr 20, 2021
    • Caterpillar SARL
    • Adam J. Adeeb
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Valve body for a traveling barrel pump
    • Patent number 6,755,628
    • Issue date Jun 29, 2004
    • Howell's Well Service, Inc.
    • Kenneth Howell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Piston pump
    • Patent number 6,394,770
    • Issue date May 28, 2002
    • Robert Bosch GmbH
    • Heinz Siegel
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Dosing pump with magnetic control
    • Patent number 6,132,188
    • Issue date Oct 17, 2000
    • Serac Group
    • Jacky Brunee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry vacuum pump
    • Patent number 5,921,755
    • Issue date Jul 13, 1999
    • Dry Vacuum Technologies, Inc.
    • John W. Eldridge
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating piston for ball and seat valve assembly and downhole pump...
    • Patent number 5,893,708
    • Issue date Apr 13, 1999
    • Joe A. Nelson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump barrel valve assembly including seal/actuator element
    • Patent number 5,628,624
    • Issue date May 13, 1997
    • Joe A. Nelson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump barrel seal assembly including seal/actuator element
    • Patent number 5,533,876
    • Issue date Jul 9, 1996
    • Joe A. Nelson
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Direct action fluid motor and injection pump
    • Patent number 5,513,963
    • Issue date May 7, 1996
    • Frank & Robyn Walton 1990 Family Trust
    • Frank A. Walton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Very low temperature piston pump
    • Patent number 5,277,561
    • Issue date Jan 11, 1994
    • Linde Aktiengesellschaft
    • Helmut Dresler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rolling diaphragm injection pump
    • Patent number 5,184,943
    • Issue date Feb 9, 1993
    • Frank and Robyn Walton 1990 Family Trust
    • Frank Walton
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Bellow pump for gas test tube
    • Patent number 4,947,696
    • Issue date Aug 14, 1990
    • Dragerwerk Aktiengesellschaft
    • Kai-Uwe Fehlauer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for fracturing earth formations while pumping formation f...
    • Patent number 4,662,831
    • Issue date May 5, 1987
    • John D. Bennett
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Hydraulic pump with pistons and controlled suction valves
    • Patent number 4,629,400
    • Issue date Dec 16, 1986
    • Hydro Rene Leduc
    • Louis-Claude Porel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump with spring loaded valve
    • Patent number 4,486,152
    • Issue date Dec 4, 1984
    • Hydro Rene Leduc
    • Louis-Claude Porel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power-assisted valve, particularly for systems handling viscous mat...
    • Patent number 4,457,340
    • Issue date Jul 3, 1984
    • Wallace F. Krueger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Power-assisted valve
    • Patent number 4,339,233
    • Issue date Jul 13, 1982
    • Wallace F. Krueger
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Dispenser device with valve piston pump
    • Patent number 4,236,651
    • Issue date Dec 2, 1980
    • Trisa Burstenfabrik AG
    • Walter Meyer
    • A46 - BRUSHWARE
  • Information Patent Grant

    Sliding valve pump
    • Patent number 4,221,551
    • Issue date Sep 9, 1980
    • Clement L. Rupert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fountain toothbrush having bristle carrier easily producible by inj...
    • Patent number 4,068,974
    • Issue date Jan 17, 1978
    • Trisa Burstenfabrik AG Triengen
    • Walter Meyer
    • A46 - BRUSHWARE
  • Information Patent Grant

    Controlled inlet valves for metering pumps
    • Patent number 4,060,351
    • Issue date Nov 29, 1977
    • Jean Cloup
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable manually controlled hydraulic pipe bending apparatus
    • Patent number 4,055,069
    • Issue date Oct 25, 1977
    • Alessandro Caporusso
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3904325
    • Patent number 3,904,325
    • Issue date Sep 9, 1975
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3765802
    • Patent number 3,765,802
    • Issue date Oct 16, 1973
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    3753632
    • Patent number 3,753,632
    • Issue date Aug 21, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3752197
    • Patent number 3,752,197
    • Issue date Aug 14, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3719437
    • Patent number 3,719,437
    • Issue date Mar 6, 1973
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...