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  • F03C2/08
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FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F03Liquid processing machines F03CPOSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS F03C2/00Rotary-piston engines

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F03C2/08of intermeshing-engagement type
Industries

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    RUBBER COMPOUND WITH FIBER REINFORCEMENT
    • Publication number 20240167475
    • Publication date May 23, 2024
    • Abaco Drilling Technologies LLC
    • Peter Thomas Cariveau
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS
    • Publication number 20230417126
    • Publication date Dec 28, 2023
    • IMPULSE DOWNHOLE SOLUTIONS LTD.
    • Troy LORENSON
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HYDRAULIC FLUID FLOW CONTROL
    • Publication number 20230332627
    • Publication date Oct 19, 2023
    • GOODRICH CORPORATION
    • HARALD KLODE
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FIBER-REINFORCED RUBBER COMPOUND USEFUL IN PDM STATORS
    • Publication number 20230141414
    • Publication date May 11, 2023
    • Abaco Drilling Technologies, LLC
    • Peter Thomas Cariveau
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    RUBBER COMPOUND WITH HIGH FIBER LOADING USEFUL IN PDM STATORS
    • Publication number 20210262468
    • Publication date Aug 26, 2021
    • Abaco Drilling Technologies, LLC
    • Peter Thomas Cariveau
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS
    • Publication number 20210198979
    • Publication date Jul 1, 2021
    • IMPULSE DOWNHOLE SOLUTIONS LTD.
    • Troy LORENSON
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    ROTARY FLUID PRESSURE DEVICE WITH DRIVE-IN-DRIVE VALVE ARRANGEMENT
    • Publication number 20200270993
    • Publication date Aug 27, 2020
    • Eaton Intelligent Power Limited
    • Jay Paul LUCAS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Load Balanced Power Section of Progressing Cavity Device
    • Publication number 20200256311
    • Publication date Aug 13, 2020
    • Weatherford Technology Holdings, LLC.
    • Harjinder Singh Parhar
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Hydrostatic Transmission Assembly and System
    • Publication number 20200173551
    • Publication date Jun 4, 2020
    • Project Phoenix, LLC
    • Thomas Afshari
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    HYBRID ELASTOMER/METAL ON METAL MOTOR
    • Publication number 20200123902
    • Publication date Apr 23, 2020
    • ROPER PUMP COMPANY
    • John Eugene Purcell
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    STATOR ASSEMBLY FOR A PROGRESSIVE CAVITY PUMP OR A PROGRESSIVE CAVI...
    • Publication number 20200011325
    • Publication date Jan 9, 2020
    • Arnold Jaeger Holding GmbH
    • Sebastian JAEGER
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    GEAR PUMP OR GEAR MOTOR
    • Publication number 20190338769
    • Publication date Nov 7, 2019
    • DAIKIN INDUSTRIES, LTD.
    • Katsunari TSUZUKI
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FIBER-LOADED RUBBER COMPOUND USEFUL IN PDM STATORS
    • Publication number 20190195227
    • Publication date Jun 27, 2019
    • Abaco Drilling Technologies, LLC
    • Peter Thomas Cariveau
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    FLOW-THROUGH PULSING ASSEMBLY FOR USE IN DOWNHOLE OPERATIONS
    • Publication number 20190153820
    • Publication date May 23, 2019
    • IMPULSE DOWNHOLE SOLUTIONS LTD.
    • Troy LORENSON
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    Load Balanced Power Section of Progressing Cavity Device
    • Publication number 20190145374
    • Publication date May 16, 2019
    • Weatherford Technology Holdings, LLC.
    • Harjinder Singh Parhar
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    ELASTASE TREATMENT OF TISSUE MATRICES
    • Publication number 20180311410
    • Publication date Nov 1, 2018
    • LifeCell Corporation
    • Wendell Sun
    • F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
  • Information Patent Application

    DOWNHOLE TOOLS WITH PROGRESSIVE CAVITY SECTIONS, AND RELATED METHOD...
    • Publication number 20180274297
    • Publication date Sep 27, 2018
    • InFocus Energy Services Inc.
    • Allan Pearson
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    HYDRAULIC DEVICE WITH SLEEVE INSERT
    • Publication number 20170363192
    • Publication date Dec 21, 2017
    • EATON CORPORATION
    • Jay Paul LUCAS
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Hydrostatic Transmission Assembly and System
    • Publication number 20170314674
    • Publication date Nov 2, 2017
    • Project Phoenix, LLC
    • Thomas Afshari
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP AND GEAR MOTOR
    • Publication number 20170298934
    • Publication date Oct 19, 2017
    • DAIKIN INDUSTRIES, LTD.
    • Katzunari TSUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FIBER REINFORCED ELASTOMERIC STATOR
    • Publication number 20170204665
    • Publication date Jul 20, 2017
    • Smith International, Inc.
    • Scott Meng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    HYBRID ELASTOMER/METAL ON METAL MOTOR
    • Publication number 20160348508
    • Publication date Dec 1, 2016
    • ROPER PUMP COMPANY
    • John Eugene Purcell
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    REDUNDANT PRESSURE CONTROL
    • Publication number 20150377208
    • Publication date Dec 31, 2015
    • ENERGREEN AS
    • Per Reidar ORKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NUTATING FLUID-MECHANICAL ENERGY CONVERTER
    • Publication number 20150211481
    • Publication date Jul 30, 2015
    • Halliburton Energy Services, Inc.
    • Krunal Kanubhai Mehta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NITROGEN- AND CERAMIC-SURFACE-TREATED COMPONENTS FOR DOWNHOLE MOTOR...
    • Publication number 20140377112
    • Publication date Dec 25, 2014
    • Kyle L. Taylor
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    Positive Displacement Motor With Radially Constrained Rotor Catch
    • Publication number 20140332275
    • Publication date Nov 13, 2014
    • William Murray
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID-PRESSURE APPARATUS
    • Publication number 20140322060
    • Publication date Oct 30, 2014
    • SUMITOMO PRECISION PRODUCTS CO., LTD.
    • Hiroaki Takeda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    NET-DISPLACEMENT CONTROL OF FLUID
    • Publication number 20140271297
    • Publication date Sep 18, 2014
    • EATON CORPORATION
    • Brian ARMSTRONG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Bearing/Gearing Section For A PDM Rotor/Stator
    • Publication number 20140170011
    • Publication date Jun 19, 2014
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Francois Clouzeau
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HYDRAULIC MOTOR
    • Publication number 20140112813
    • Publication date Apr 24, 2014
    • Kenneth T. Gilbert
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...