TREA

with a priming plunger or piston ahead of the pumping piston and connected on the same piston rod

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Industry

  • CPC
  • F04B2015/026
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04BPOSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS

Current Industry

F04B2015/026with a priming plunger or piston ahead of the pumping piston and connected on the same piston rod
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    High-viscosity pumping system
    • Patent number 11,421,667
    • Issue date Aug 23, 2022
    • J-KEM Scientific, Inc.
    • Gabriel Wade
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-stage displacement pump
    • Patent number 11,181,103
    • Issue date Nov 23, 2021
    • Waters Technologies Corporation
    • Wade P. Leveille
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump and a valve assembly therefor
    • Patent number 10,662,932
    • Issue date May 26, 2020
    • National Oilwell Varco Petroleum Equipment (Shanghai) Co., Ltd.
    • He Zhang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Material sprayer having sliding pump mounting
    • Patent number 10,456,801
    • Issue date Oct 29, 2019
    • Graco Minnesota Inc.
    • Jeromy D. Horning
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Grant

    High viscosity material pump having valved priming piston
    • Patent number 5,605,446
    • Issue date Feb 25, 1997
    • Graco Inc.
    • James J. Handzel
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    "V" shaped check stop
    • Patent number 5,477,880
    • Issue date Dec 26, 1995
    • The ARO Corporation
    • Raymond D. Carter
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Priming piston pump piston check valve
    • Patent number 5,147,188
    • Issue date Sep 15, 1992
    • Graco Inc.
    • Thomas J. Shaefer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual-acting, reciprocating piston pump
    • Patent number 5,067,882
    • Issue date Nov 26, 1991
    • Nordson Corporation
    • James E. DeVries
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Primer valve for chop-check pump
    • Patent number 4,978,283
    • Issue date Dec 18, 1990
    • The ARO Corporation
    • Kerry G. Vonalt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumping of high viscosity materials
    • Patent number 4,875,833
    • Issue date Oct 24, 1989
    • Saint-Gobain Vitrage
    • Michel Canaud
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump shovel bulk unloader
    • Patent number 4,679,989
    • Issue date Jul 14, 1987
    • Graco Inc.
    • Charles E. Harriman
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump for pumping both low viscosity and high viscosity fluids
    • Patent number 4,014,629
    • Issue date Mar 29, 1977
    • General Electric Company
    • Robert M. Elsworth
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    3160105
    • Patent number 3,160,105
    • Issue date Dec 8, 1964
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    MULTI-STAGE DISPLACEMENT PUMP
    • Publication number 20190383277
    • Publication date Dec 19, 2019
    • WATERS TECHNOLOGIES CORPORATION
    • Wade P. Leveille
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MATERIAL SPRAYER HAVING SLIDING PUMP MOUNTING
    • Publication number 20180207660
    • Publication date Jul 26, 2018
    • Graco Minnesota Inc.
    • Jeromy D. Horning
    • B28 - WORKING CEMENT, CLAY, OR STONE