for pipe-type distribution members

Patents Grantslast 30 patents

  • Information Patent Grant

    Micro piston pump

    • Patent number 11,746,765
    • Issue date Sep 5, 2023
    • INSULET CORPORATION
    • Daniel Allis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Micro piston pump

    • Patent number 11,280,327
    • Issue date Mar 22, 2022
    • INSULET CORPORATION
    • Daniel Allis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Wear ring for use in a pump

    • Patent number 11,118,596
    • Issue date Sep 14, 2021
    • Boulden Company, Inc.
    • Brian Boulden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wear ring for use in a pump

    • Patent number 10,724,532
    • Issue date Jul 28, 2020
    • Boulden Company, Inc.
    • Brian Boulden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Continuous flow pumping system

    • Patent number 10,001,114
    • Issue date Jun 19, 2018
    • Jessop Initiatives LLC
    • Louis M. Jessop
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Pipe switch for two-cylinder thick-material pump

    • Patent number 6,338,615
    • Issue date Jan 15, 2002
    • Putzmeister Aktiengesellschaft
    • Hellmut Hurr
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Slide valve for a twin-cylinder pump for viscous fluids

    • Patent number 5,746,247
    • Issue date May 5, 1998
    • Putzmeister-Werk Maschinenfabrik GmbH
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tube switch for a double-cylinder sludge pump

    • Patent number 5,302,094
    • Issue date Apr 12, 1994
    • Putzmeister-Werk Maschinenfabrik GmbH
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concrete pump having pressurized seal for swing tube

    • Patent number 5,180,294
    • Issue date Jan 19, 1993
    • Confloat Consulting Ltd.
    • Ernest W. Watchorn
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pipe junction switch for two-cylinder thick-material pump

    • Patent number 5,037,275
    • Issue date Aug 6, 1991
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pumping system with air conveyance and method

    • Patent number 4,659,293
    • Issue date Apr 21, 1987
    • Lefco Western, Inc.
    • William R. Evenson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Positive double-piston displacement pump conveying pasteous material

    • Patent number 4,653,990
    • Issue date Mar 31, 1987
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device for sealing a concrete pump

    • Patent number 4,614,483
    • Issue date Sep 30, 1986
    • Gerhard Hudelmaier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Evacuated pumping system

    • Patent number 4,613,290
    • Issue date Sep 23, 1986
    • Lefco Western, Inc.
    • William R. Evenson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Concrete pump with buttressed distribution pipe

    • Patent number 4,486,156
    • Issue date Dec 4, 1984
    • Maschinenfabrik Walter Scheele GmbH & Co. KG
    • Herbert Feger
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Twin-cylinder pump, in particular for pumping thick liquids

    • Patent number 4,382,752
    • Issue date May 10, 1983
    • Karl Schlecht
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic sleeve valve and seal arrangement for piston pump

    • Patent number 4,337,017
    • Issue date Jun 29, 1982
    • William R. Evenson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Automatic wear compensation apparatus for concrete pumping hopper a...

    • Patent number 4,198,193
    • Issue date Apr 15, 1980
    • Robert E. Westerlund
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Double-cylinder pump especially for conveying cement

    • Patent number 4,178,142
    • Issue date Dec 11, 1979
    • Friedrich Wilh. Schwing GmbH
    • Friedrich Schwing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-cylinder pump for concrete

    • Patent number 4,057,373
    • Issue date Nov 8, 1977
    • Friedrich Wilhelm Schwing GmbH
    • Friedrich Schwing
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

  • Information Patent Application

    COUNTERFLOW GUIDE FOR FLUID END

    • Publication number 20250122866
    • Publication date Apr 17, 2025
    • GD Energy Products, LLC
    • Jacob Gregory Garrison
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICRO PISTON PUMP

    • Publication number 20230358219
    • Publication date Nov 9, 2023
    • Insulet Corporation
    • Daniel ALLIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICRO PISTON PUMP

    • Publication number 20220163024
    • Publication date May 26, 2022
    • Insulet Corporation
    • Daniel ALLIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Wear Ring for Use in a Pump

    • Publication number 20190128275
    • Publication date May 2, 2019
    • Boulden Company, Inc.
    • Brian Boulden
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MICRO PISTON PUMP

    • Publication number 20190040850
    • Publication date Feb 7, 2019
    • Insulet Corporation
    • Daniel ALLIS
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Wear Ring for Use in a Pump

    • Publication number 20180306200
    • Publication date Oct 25, 2018
    • BOULDEN COMPANY, INC.
    • Brian Boulden
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Continuous Flow Pumping System

    • Publication number 20180291881
    • Publication date Oct 11, 2018
    • Jessop Initiatives LLC
    • Louis M. Jessop
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SWITCHOVER DEVICE FOR A THICK-MATTER PUMP

    • Publication number 20160348655
    • Publication date Dec 1, 2016
    • SCHWING GMBH
    • Wolfgang MERTEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISTRIBUTION VALVE FOR CONCRETE PUMP, CONCRETE PUMP AND CONTROL MET...

    • Publication number 20120318390
    • Publication date Dec 20, 2012
    • SANY HEAVY INDUSTRY CO., LTD.
    • Xiuming Yi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...