TREA

with two mechanically connected pumping members

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Industry

  • CPC
  • F04B9/131
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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

Current Industry

F04B9/131with two mechanically connected pumping members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Mechanical refrigeration system
    • Patent number 11,913,688
    • Issue date Feb 27, 2024
    • OFF TECHNOLOGIES STP, S.L.
    • Luis Zuniga Mangas
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Differential pressure motor and method for operating a differential...
    • Patent number 11,751,899
    • Issue date Sep 12, 2023
    • Heraeus Medical GmbH
    • Sebastian Vogt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device and method for compressing a working medium
    • Patent number 11,401,925
    • Issue date Aug 2, 2022
    • MAXIMATOR GMBH
    • Robert Adler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High-pressure to low-pressure changeover valve for a positive displ...
    • Patent number 10,514,027
    • Issue date Dec 24, 2019
    • Graco Minnesota Inc.
    • Todd L. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Reciprocating pumps
    • Patent number 10,253,761
    • Issue date Apr 9, 2019
    • White Knight Fluid Handling Inc.
    • John M. Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air-to-hydraulic fluid pressure amplifier
    • Patent number 9,926,947
    • Issue date Mar 27, 2018
    • Chris Villar
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Pneumatic reciprocating fluid pump with reinforced shaft
    • Patent number 9,856,865
    • Issue date Jan 2, 2018
    • White Knight Fluid Handling Inc.
    • John M. Simmons
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Dual air chamber foam pumps, refill units and dispensers
    • Patent number 9,642,502
    • Issue date May 9, 2017
    • Gojo Industries, Inc.
    • Donald R. Harris
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Air-driven pump system
    • Patent number 9,541,074
    • Issue date Jan 10, 2017
    • Wilden Pump and Engineering LLC
    • Carl J. Glauber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air-driven pump system
    • Patent number 9,127,657
    • Issue date Sep 8, 2015
    • Wilden Pump and Engineering LLC
    • Carl J. Glauber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automatic oil pump, with a valved pumping piston and a valved drivi...
    • Patent number 7,147,442
    • Issue date Dec 12, 2006
    • Kuo-Chung Yeh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hand air pumps
    • Patent number 5,807,078
    • Issue date Sep 15, 1998
    • Chiang Pei Chen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal combustion engine oil pump
    • Patent number 5,275,539
    • Issue date Jan 4, 1994
    • Outboard Marine Corporation
    • Donald E. Custer
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston pump with anti-leakage control
    • Patent number 5,152,675
    • Issue date Oct 6, 1992
    • Billy F. Morris
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump arrangement driven by compressed-air
    • Patent number 4,971,531
    • Issue date Nov 20, 1990
    • AB Nike
    • Vilho Aikioniemi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Apparatus for continuously generating hydraulic pressure
    • Patent number 4,729,720
    • Issue date Mar 8, 1988
    • Osaka Taiyu Co., Ltd.
    • Hiromu Fujita
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Exhaust gas operated vacuum pump assembly
    • Patent number 4,502,847
    • Issue date Mar 5, 1985
    • General Motors Corporation
    • Donald J. Pozniak
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Exhaust gas operated vacuum pump assembly
    • Patent number 4,502,848
    • Issue date Mar 5, 1985
    • General Motors Corporation
    • Gerald F. Robertson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3516761
    • Patent number 3,516,761
    • Issue date Jun 23, 1970
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    3405642
    • Patent number 3,405,642
    • Issue date Oct 15, 1968
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    2762307
    • Patent number 2,762,307
    • Issue date Sep 11, 1956
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Mechanical Refrigeration System
    • Publication number 20210293458
    • Publication date Sep 23, 2021
    • Off Technologies stp, S.L.
    • Luis ZUNIGA MANGAS
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Application

    DIFFERENTIAL PRESSURE MOTOR AND METHOD FOR OPERATING A DIFFERENTIAL...
    • Publication number 20200367922
    • Publication date Nov 26, 2020
    • HERAEUS MEDICAL GMBH
    • Sebastian Vogt
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    HIGH-PRESSURE TO LOW-PRESSURE CHANGEOVER VALVE FOR A POSITIVE DISPL...
    • Publication number 20160305410
    • Publication date Oct 20, 2016
    • Graco Minnesota Inc.
    • Todd L. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    RECIPROCATING PUMPS AND RELATED METHODS
    • Publication number 20160281692
    • Publication date Sep 29, 2016
    • Graco Fluid Handling (A) Inc.
    • John M. Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AIR-DRIVEN PUMP SYSTEM
    • Publication number 20140377086
    • Publication date Dec 25, 2014
    • WILDEN PUMP AND ENGINEERING LLC
    • CARL J. GLAUBER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PNEUMATIC RECIPROCATING FLUID PUMP WITH REINFORCED SHAFT
    • Publication number 20140140869
    • Publication date May 22, 2014
    • John M. Simmons
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air-Driven Pump System
    • Publication number 20110236224
    • Publication date Sep 29, 2011
    • Carl J. Glauber
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Automatic oil pump
    • Publication number 20040234390
    • Publication date Nov 25, 2004
    • Kuo-Chung Yeh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...