TREA

of intermeshing engagement type

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  • CPC
  • F04C3/08
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS F04C3/00Rotary-piston machines or pumps, with non-parallel axes of movement of co-operating members

Current Industry

F04C3/08of intermeshing engagement type
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary positive displacement device
    • Patent number 12,180,960
    • Issue date Dec 31, 2024
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary fluid flow device
    • Patent number 11,614,089
    • Issue date Mar 28, 2023
    • Alejandro Juan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Device for conveying a medium
    • Patent number 11,313,366
    • Issue date Apr 26, 2022
    • ITT Bornemann GmbH
    • Jens-Uwe Brandt
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Air intake separator systems and methods
    • Patent number 11,148,087
    • Issue date Oct 19, 2021
    • Veotec Americas LLC
    • Peter Valsler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for operating a multi-phase pump and apparatus therefor
    • Patent number 11,143,180
    • Issue date Oct 12, 2021
    • ITT Bornemann GmbH
    • Gerhard Rohlfing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary fluid flow device
    • Patent number 10,975,869
    • Issue date Apr 13, 2021
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Positive displacement rotary motion device including a pulse detona...
    • Patent number 10,337,328
    • Issue date Jul 2, 2019
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air intake separator systems and methods
    • Patent number 10,179,305
    • Issue date Jan 15, 2019
    • Veotec Americas LLC
    • Peter Valsler
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump unit
    • Patent number 10,174,758
    • Issue date Jan 8, 2019
    • Robert Bosch GmbH
    • Ingo Nowitzky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump supported by journal bearings
    • Patent number 10,151,312
    • Issue date Dec 11, 2018
    • Robert Bosch GmbH
    • Evgenij Skrynski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw pump
    • Patent number 9,869,314
    • Issue date Jan 16, 2018
    • NETZSCH Pumpen & Systeme GmbH
    • Eduardo Nuss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual axis rotor
    • Patent number 9,777,729
    • Issue date Oct 3, 2017
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw spindle pump
    • Patent number 9,765,776
    • Issue date Sep 19, 2017
    • LEISTRITZ PUMPEN GMBH
    • Jürgen Metz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method for operating a multi-phase pump and apparatus therefor
    • Patent number 9,689,385
    • Issue date Jun 27, 2017
    • ITT Bornemann GmbH
    • Gerhard Rohlfing
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Rotary piston engine which acts as a pump, condenser or motor for a...
    • Patent number 9,670,778
    • Issue date Jun 6, 2017
    • Robert Bosch GmbH
    • Dieter Amesoeder
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Indexed positive displacement rotary motion device
    • Patent number 9,447,688
    • Issue date Sep 20, 2016
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Feed unit
    • Patent number 9,422,935
    • Issue date Aug 23, 2016
    • Robert Bosch GmbH
    • Ingo Nowitzky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Delivery unit
    • Patent number 9,046,099
    • Issue date Jun 2, 2015
    • Robert Bosch GmbH
    • Evgenij Skrynski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Spherical involute gear coupling
    • Patent number 8,887,592
    • Issue date Nov 18, 2014
    • Exponential Technologies, Inc.
    • Curtis Patterson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Indexed positive displacement rotary motion device
    • Patent number 8,602,758
    • Issue date Dec 10, 2013
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary piston machine
    • Patent number 8,360,748
    • Issue date Jan 29, 2013
    • Cor Pumps + Compressors AG
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston machine
    • Patent number 7,699,592
    • Issue date Apr 20, 2010
    • Cor Pumps + Compressors AG
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating piston machine
    • Patent number 7,390,181
    • Issue date Jun 24, 2008
    • Cor Pumps + Compressors AG
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary piston machine
    • Patent number 7,275,920
    • Issue date Oct 2, 2007
    • Cor Pumps + Compressors AG
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Extrusion method and extruder
    • Patent number 6,585,923
    • Issue date Jul 1, 2003
    • Natural Colour Kari Kirjavainen Oy
    • Kari Kirjavainen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    2908226
    • Patent number 2,908,226
    • Issue date Oct 13, 1959
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    1943515
    • Patent number 1,943,515
    • Issue date Jan 16, 1934
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    758214
    • Patent number 758,214
    • Issue date Apr 26, 1904
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    351129
    • Patent number 351,129
    • Issue date Oct 19, 1886
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    32372
    • Patent number 32,372
    • Issue date May 21, 1861
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTARY POSITIVE DISPLACEMENT DEVICE
    • Publication number 20240384720
    • Publication date Nov 21, 2024
    • Spherical Rotors Inc.
    • Michael Justin Sereda-Mohr
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SINGLE SCREW COMPRESSOR
    • Publication number 20220136506
    • Publication date May 5, 2022
    • J & E Hall Limited
    • Terence William Thomas Young
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Oil Pump for Vehicle
    • Publication number 20210355940
    • Publication date Nov 18, 2021
    • Hyundai Motor Company
    • DongHoon Kang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Flow Device
    • Publication number 20210301825
    • Publication date Sep 30, 2021
    • Exponential Technologies, Inc.
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    THERMISTOR FLOW PATH
    • Publication number 20170343098
    • Publication date Nov 30, 2017
    • GHSP, INC.
    • Ryan David Rosinski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP UNIT
    • Publication number 20170292516
    • Publication date Oct 12, 2017
    • Evgenij Skrynski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method for Operating a Multi-phase Pump and Apparatus Therefor
    • Publication number 20170254328
    • Publication date Sep 7, 2017
    • ITT Bornemann GmbH
    • Gerhard ROHLFING
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    PUMP UNIT
    • Publication number 20160097388
    • Publication date Apr 7, 2016
    • ROBERT BOSCH GmbH
    • Ingo Nowitzky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Screw Pump
    • Publication number 20150369241
    • Publication date Dec 24, 2015
    • NETZSCH Pumpen & Systeme GmbH
    • Eduardo Nuss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Segmented Positive Displacement Rotor Housing
    • Publication number 20150260184
    • Publication date Sep 17, 2015
    • Exponential Technologies, Inc.
    • Erik Farrell
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SCREW SPINDLE PUMP
    • Publication number 20150240810
    • Publication date Aug 27, 2015
    • LEISTRITZ PUMPEN GMBH
    • Jürgen METZ
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method for Operating a Multi-phase Pump and Apparatus Therefor
    • Publication number 20150226214
    • Publication date Aug 13, 2015
    • ITT Bornemann GmbH
    • Gerhard Rohlfing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY COMPRESSORS WITH VARIABLE SPEED AND VOLUME CONTROL
    • Publication number 20150093273
    • Publication date Apr 2, 2015
    • Trane International, Inc.
    • Jay H. Johnson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON ENGINE WHICH ACTS AS A PUMP, CONDENSER OR MOTOR FOR A...
    • Publication number 20150086407
    • Publication date Mar 26, 2015
    • ROBERT BOSCH GmbH
    • Dieter Amesoeder
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FEED UNIT
    • Publication number 20140308151
    • Publication date Oct 16, 2014
    • Ingo Nowitzky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Dual Axis Rotor
    • Publication number 20140271301
    • Publication date Sep 18, 2014
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Indexed Positive Displacement Rotary Motion Device
    • Publication number 20140216000
    • Publication date Aug 7, 2014
    • Alejandro Juan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DELIVERY UNIT
    • Publication number 20130189142
    • Publication date Jul 25, 2013
    • ROBERT BOSCH GmbH
    • Evgenij Skrynski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DELIVERY UNIT
    • Publication number 20130089455
    • Publication date Apr 11, 2013
    • ROBERT BOSCH GmbH
    • Marian Kacmar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SPHERICAL INVOLUTE GEAR COUPLING
    • Publication number 20120285282
    • Publication date Nov 15, 2012
    • Exponential Technologies, Inc.
    • Curtis Patterson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PISTON ENGINE
    • Publication number 20120014826
    • Publication date Jan 19, 2012
    • ROBERT BOSCH GmbH
    • Felix Arnold
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DELIVERY UNIT
    • Publication number 20110186158
    • Publication date Aug 4, 2011
    • ROBERT BOSCH GmbH
    • Thomas Steidten
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INDEXED POSITIVE DISPLACEMENT ROTARY MOTION DEVICE
    • Publication number 20100074786
    • Publication date Mar 25, 2010
    • Alejandro Juan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Piston Machine
    • Publication number 20100034680
    • Publication date Feb 11, 2010
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Piston Machine
    • Publication number 20080219876
    • Publication date Sep 11, 2008
    • Felix Arnold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotating piston machine
    • Publication number 20060263228
    • Publication date Nov 23, 2006
    • Felix Arnold
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary piston machine
    • Publication number 20060257277
    • Publication date Nov 16, 2006
    • Felix Arnold
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES