TREA

in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports

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Industry

  • CPC
  • F04B7/04
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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

Current Industry

F04B7/04in which the valving is performed by pistons and cylinders coacting to open and close intake or outlet ports
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    DEVICE AND METHOD FOR CONTROLLED SUPPLY OF HIGH-PRESSURE FLUID
    • Publication number 20240151217
    • Publication date May 9, 2024
    • BFT GMBH
    • Franz TRIEB
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MUD PUMP VALVE LEAK DETECTION AND FORECASTING
    • Publication number 20240044328
    • Publication date Feb 8, 2024
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Alejandro Camacho Cardenas
    • G01 - MEASURING TESTING
  • Information Patent Application

    COMPRESSION APPARATUS AND FILLING STATION COMPRISING SUCH AN APPARATUS
    • Publication number 20230085780
    • Publication date Mar 23, 2023
    • L'air Liquide, Societe Anonyme Pour L'Etude et L'Exploitation Des Procedes Ge...
    • Cyril BENISTAND-HECTOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSION APPARATUS AND FILLING STATION COMPRISING SUCH AN APPARATUS
    • Publication number 20230071844
    • Publication date Mar 9, 2023
    • L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Ge...
    • Cyril BENISTAND-HECTOR
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MUD PUMP VALVE LEAK DETECTION AND FORECASTING
    • Publication number 20210388831
    • Publication date Dec 16, 2021
    • Cameron International Corporation
    • Alejandro Camacho Cardenas
    • G01 - MEASURING TESTING
  • Information Patent Application

    Oil Field Pumps with Reduced Maintenance
    • Publication number 20210025385
    • Publication date Jan 28, 2021
    • Halliburton Energy Services, Inc.
    • Jim Basuki SURJAATMADJA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PULSATION-FREE WET SPRAYING MACHINE
    • Publication number 20210010372
    • Publication date Jan 14, 2021
    • Lianjun CHEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOSING APPRATUS FOR DISPENSING A FLUID UNDER ASEPTIC CONDITIONS
    • Publication number 20200297935
    • Publication date Sep 24, 2020
    • IDORSIA PHARMACEUTICALS LTD
    • Ludwig Daniel WEIBEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DOUBLE ACTING ALPHA STIRLING REFRIGERATOR
    • Publication number 20200064030
    • Publication date Feb 27, 2020
    • Liping NING
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON-VALVE ENGAGEMENT IN FLUID SPRAYERS
    • Publication number 20190368476
    • Publication date Dec 5, 2019
    • Graco Minnesota Inc.
    • Mariusz J. Luczak
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SYSTE FOR APPLYING A REAGENT TO A SAMPLE
    • Publication number 20190344263
    • Publication date Nov 14, 2019
    • Koninklijke Philips N.V.
    • Matthias IRMSCHER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20190316573
    • Publication date Oct 17, 2019
    • Jacobsen Innovations, Inc.
    • John McCullough
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD OF REMANUFACTURING FLUID END BLOCK
    • Publication number 20190128104
    • Publication date May 2, 2019
    • Caterpillar Inc.
    • Curtis J. Graham
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    RECIPROCATING COMPRESSOR
    • Publication number 20180223822
    • Publication date Aug 9, 2018
    • LG ELECTRONICS INC.
    • Jongkoo LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    UPTAKE SHROUD FOR INVERTED PUMPS
    • Publication number 20170347842
    • Publication date Dec 7, 2017
    • GOJO INDUSTRIES, INC.
    • Nick E. Ciavarella
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    Fluid End Block for Well Stimulation Pump and Method of Remanufactu...
    • Publication number 20170218951
    • Publication date Aug 3, 2017
    • Caterpillar Inc.
    • Curtis J. Graham
    • B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
  • Information Patent Application

    OCCLUSION DETECTION TECHNIQUES FOR A FLUID INFUSION DEVICE HAVING A...
    • Publication number 20160367754
    • Publication date Dec 22, 2016
    • Medtronic MiniMed, Inc.
    • Juan M. Alderete
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Positive Displacement Plunger Pump with Gas Escape Valve
    • Publication number 20160369788
    • Publication date Dec 22, 2016
    • BAKER HUGHES INCORPORATED
    • Donn J. Brown
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OCCLUSION DETECTION TECHNIQUES FOR A FLUID INFUSION DEVICE HAVING A...
    • Publication number 20160369790
    • Publication date Dec 22, 2016
    • Medtronic MiniMed, Inc.
    • Matthew William Yavorsky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OCCLUSION DETECTION TECHNIQUES FOR A FLUID INFUSION DEVICE HAVING A...
    • Publication number 20160367750
    • Publication date Dec 22, 2016
    • Medtronic MiniMed, Inc.
    • R. Marie Tieck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OCCLUSION DETECTION TECHNIQUES FOR A FLUID INFUSION DEVICE HAVING A...
    • Publication number 20160369789
    • Publication date Dec 22, 2016
    • Medtronic MiniMed, Inc.
    • Juan M. Alderete
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE
    • Publication number 20150275892
    • Publication date Oct 1, 2015
    • Cummins Inc.
    • Anthony A. SHAULL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMPING SYSTEM WITH PLUNGER HAVING A SHAPED EDGE AND COATING
    • Publication number 20150275869
    • Publication date Oct 1, 2015
    • MUTH PUMP LLC
    • Garold M. Muth
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH-PRESSURE PUMP
    • Publication number 20150139825
    • Publication date May 21, 2015
    • DENSO CORPORATION
    • Masatoshi KUROYANAGI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FUEL PUMP FOR AN INTERNAL COMBUSTION ENGINE
    • Publication number 20140193281
    • Publication date Jul 10, 2014
    • Cummins Inc.
    • Anthony A. SHAULL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALED COMPRESSOR
    • Publication number 20140169998
    • Publication date Jun 19, 2014
    • PANASONIC CORPORATION
    • Kenji Kinjo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PISTON-TYPE TRANSFER PUMP DEVICE, METHOD FOR TRANSFERRING PARTICULA...
    • Publication number 20140003968
    • Publication date Jan 2, 2014
    • COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENE. ALT.
    • Luc-Francois Gros- D'Aillon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Hydraulic Oil Cylinder, Correlative Device Thereof, Hydraulic Cushi...
    • Publication number 20130209296
    • Publication date Aug 15, 2013
    • HUNAN SANY INTELLIGENT CONTROL EQUIPMENT CO., LTD.
    • Xiaogang Yi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVELESS RECIPROCATING COMPRESSOR
    • Publication number 20130189140
    • Publication date Jul 25, 2013
    • Cameron International Corporation
    • Omar M. Kabir
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVELESS RECIPROCATING COMPRESSOR
    • Publication number 20130189139
    • Publication date Jul 25, 2013
    • Cameron International Corporation
    • Karthik Ramakumar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...