TREA

with a crescent-shaped filler element, located between the inner and outer intermeshing members

Follow

Industry

  • CPC
  • F04C2/101
This industry / category may be too specific. Please go to a parent level for more data

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 F04C2/00Rotary-piston machines or pumps

Current Industry

F04C2/101with a crescent-shaped filler element, located between the inner and outer intermeshing members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Internal gear fluid machine with connection channel in each of two...
    • Patent number 12,163,519
    • Issue date Dec 10, 2024
    • Eckerle Technologies GmbH
    • Alexander Goss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric oil pump including pump housing and eccentric assembly non...
    • Patent number 12,140,141
    • Issue date Nov 12, 2024
    • HANGZHOU QUADRANT TECHNOLOGY CO., LTD.
    • Liping Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Flexible crescent for low pressure fuel pump
    • Patent number 12,117,003
    • Issue date Oct 15, 2024
    • Cummins Inc.
    • Amol Yashwant Alsundkar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid transfer device
    • Patent number 12,012,962
    • Issue date Jun 18, 2024
    • 1158992 B.C. Ltd.
    • James Brent Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear fluid machine
    • Patent number 11,971,033
    • Issue date Apr 30, 2024
    • Eckerle Technologies GmbH
    • Alexander Goss
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internal gear machine with switching valves
    • Patent number 11,905,956
    • Issue date Feb 20, 2024
    • HYDRAULIK NORD TECHNOLOGIES GMBH
    • Thomas Pippes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 11,739,750
    • Issue date Aug 29, 2023
    • Safran Aero Boosters SA
    • Mathieu Pierre Chenoux
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic gear pump with radial pressure compensator
    • Patent number 11,680,564
    • Issue date Jun 20, 2023
    • Parker-Hannifin Corporation
    • Hao Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic gear pump with axial compensation
    • Patent number 11,680,567
    • Issue date Jun 20, 2023
    • Parker-Hannifin Corporation
    • Hao Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid delivery device
    • Patent number 11,624,365
    • Issue date Apr 11, 2023
    • Eckerle Technologies GmbH
    • Reinhard Pippes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hydraulic gear pump with radial pressure compensator
    • Patent number 11,506,200
    • Issue date Nov 22, 2022
    • Parker-Hannifin Corporation
    • Hao Zhang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Food product pump with impeller and star wheel
    • Patent number 11,326,597
    • Issue date May 10, 2022
    • Tetra Laval Holdings & Finance S.A.
    • Ole Bendixen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Continuously variable transmission and transmission system
    • Patent number 11,280,402
    • Issue date Mar 22, 2022
    • HCVTRANSMISSION B.V.
    • Petrus Johannes Buijsman
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid delivery device with a forepump, a main pump, and bypass line...
    • Patent number 11,248,602
    • Issue date Feb 15, 2022
    • Eckerle Technologies GmbH
    • Reinhard Pippes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric motor and rod-driven rotary gear pumps
    • Patent number 11,208,999
    • Issue date Dec 28, 2021
    • Peter Straub
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Tolerance independent crescent internal gear pump
    • Patent number 11,204,031
    • Issue date Dec 21, 2021
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Patrick Wilson Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Internally rotating gear pump
    • Patent number 11,111,917
    • Issue date Sep 7, 2021
    • DAIDO MACHINERY CORPORATION
    • Yusuke Ota
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Fluid transfer device
    • Patent number 11,067,076
    • Issue date Jul 20, 2021
    • Genesis Advanced Technology Inc.
    • James Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Variable displacement gear pump
    • Patent number 11,047,382
    • Issue date Jun 29, 2021
    • Soon Gil Jang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Laundry treatment apparatus
    • Patent number 10,954,625
    • Issue date Mar 23, 2021
    • LG Electronics Inc.
    • Mingyu Jo
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Pump drive for conveying a reducing agent for motor vehicle exhaust...
    • Patent number 10,920,771
    • Issue date Feb 16, 2021
    • Bühler Motor GmbH
    • Karl-Heinz Böhm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump
    • Patent number 10,724,518
    • Issue date Jul 28, 2020
    • TBK CO., LTD.
    • Makoto Araki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Geared fluid machine with circumferential seal having first and sec...
    • Patent number 10,634,136
    • Issue date Apr 28, 2020
    • Eckerle Technologies GmbH
    • Reinhard Pippes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dual integrated pump having a first and second pump portion connect...
    • Patent number 10,544,788
    • Issue date Jan 28, 2020
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Patrick Wilson Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Tolerance independent crescent internal gear pump
    • Patent number 10,514,032
    • Issue date Dec 24, 2019
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Patrick Wilson Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Idler gear for positive displacement gear pump
    • Patent number 10,514,034
    • Issue date Dec 24, 2019
    • Viking Pump, Inc.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetically engaged pump
    • Patent number 10,502,208
    • Issue date Dec 10, 2019
    • Wilden Pump and Engineering LLC
    • Brian James Sandore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electro-hydraulic machine with integrated sensor
    • Patent number 10,436,228
    • Issue date Oct 8, 2019
    • Rausch & Pausch GmbH
    • Rocco Kemnitz
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Magnetically engaged pump
    • Patent number 10,436,195
    • Issue date Oct 8, 2019
    • Wilden Pump and Engineering LLC
    • Brian James Sandore
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Magnetically engaged pump
    • Patent number 10,240,600
    • Issue date Mar 26, 2019
    • Wilden Pump and Engineering LLC
    • Brian James Sandore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTOR SHAFT HUB AND BEARING FOR A HIGH PRESSURE FLUID PUMP ASSEMBLY
    • Publication number 20240392781
    • Publication date Nov 28, 2024
    • DAVID ANTHONY LIEVANOS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Hydraulic Gear Pump with Hydrostatic Shaft Bearing and Isolated Cas...
    • Publication number 20240309867
    • Publication date Sep 19, 2024
    • Parker-Hannifin Corporation
    • Dale E. Vanderlaan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLEXIBLE CRESCENT FOR LOW PRESSURE FUEL PUMP
    • Publication number 20240011481
    • Publication date Jan 11, 2024
    • Cummins Inc.
    • Amol Yashwant Alsundkar
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STEPPED HOLLOW WHEEL
    • Publication number 20240011482
    • Publication date Jan 11, 2024
    • RAPA Automotive GmbH & Co. KG
    • Mario SCHÖRNER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID TRANSFER DEVICE
    • Publication number 20230392593
    • Publication date Dec 7, 2023
    • 1158992 B.C. Ltd.
    • James Brent Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR FLUID MACHINE
    • Publication number 20230296093
    • Publication date Sep 21, 2023
    • ECKERLE TECHNOLOGIES GMBH
    • Alexander GOSS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR FLUID MACHINE
    • Publication number 20230287883
    • Publication date Sep 14, 2023
    • ECKERLE TECHNOLOGIES GMBH
    • Alexander GOSS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNAL GEAR MACHINE
    • Publication number 20230193899
    • Publication date Jun 22, 2023
    • HYDRAULIK NORD TECHNOLOGIES GMBH
    • Thomas PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP
    • Publication number 20220243725
    • Publication date Aug 4, 2022
    • SAFRAN AERO BOOSTERS SA
    • Mathieu Pierre CHENOUX
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR AND ROD-DRIVEN ROTARY GEAR PUMPS
    • Publication number 20220112893
    • Publication date Apr 14, 2022
    • ADVANCING PUMP TECHNOLOGY CORP.
    • Peter STRAUB
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID DELIVERY DEVICE
    • Publication number 20210285448
    • Publication date Sep 16, 2021
    • ECKERLE TECHNOLOGIES GMBH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID DELIVERY DEVICE
    • Publication number 20200318635
    • Publication date Oct 8, 2020
    • ECKERLE TECHNOLOGIES GMBH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FOOD PRODUCT PUMP WITH IMPELLER AND STAR WHEEL
    • Publication number 20200182243
    • Publication date Jun 11, 2020
    • Tetra Laval Holdings & Finance S.A.
    • Ole BENDIXEN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IDLER GEAR FOR POSITIVE DISPLACEMENT GEAR PUMP
    • Publication number 20200109710
    • Publication date Apr 9, 2020
    • VIKING PUMP, INC.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TOLERANCE INDEPENDENT CRESCENT INTERNAL GEAR PUMP
    • Publication number 20200102952
    • Publication date Apr 2, 2020
    • Circor Pumps North America, LLC
    • Patrick Wilson Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTINUOUSLY VARIABLE TRANSMISSION AND TRANSMISSION SYSTEM
    • Publication number 20200049250
    • Publication date Feb 13, 2020
    • HCVTRANSMISSION B.V.
    • Petrus Johannes BUIJSMAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    INTERNALLY ROTATING GEAR PUMP
    • Publication number 20190285067
    • Publication date Sep 19, 2019
    • DAIDO MACHINERY CORPORATION
    • Yusuke OTA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETICALLY ENGAGED PUMP
    • Publication number 20190277283
    • Publication date Sep 12, 2019
    • WILDEN PUMP AND ENGINEERING LLC
    • BRIAN JAMES SANDORE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC MOTOR AND ROD-DRIVEN ROTARY GEAR PUMPS
    • Publication number 20190072090
    • Publication date Mar 7, 2019
    • Advancing Pump Technology Crop.
    • Peter STRAUB
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETICALLY ENGAGED PUMP
    • Publication number 20190024660
    • Publication date Jan 24, 2019
    • WILDEN PUMP AND ENGINEERING LLC
    • Brian James Sandore
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DRIVE FOR CONVEYING A REDUCING AGENT FOR MOTOR VEHICLE EXHAUST...
    • Publication number 20180340533
    • Publication date Nov 29, 2018
    • Bühler Motor GmbH
    • Karl-Heinz Böhm
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    MAGNETICALLY ENGAGED PUMP
    • Publication number 20180313352
    • Publication date Nov 1, 2018
    • WILDEN PUMP AND ENGINEERING LLC
    • Brian James Sandore
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VARIABLE DISPLACEMENT GEAR PUMP
    • Publication number 20180223839
    • Publication date Aug 9, 2018
    • Soon Gil JANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FORKLIFT, INTERNAL GEAR PUMP, AND AXIAL COMPENSATION COMPONENT THEREOF
    • Publication number 20180087505
    • Publication date Mar 29, 2018
    • BYD COMPANY LIMITED
    • Anqing ZHANG
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEARED FLUID MACHINE
    • Publication number 20180030982
    • Publication date Feb 1, 2018
    • Eckerle Industrie-Electronik GmbH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TOLERANCE INDEPENDENT CRESCENT INTERNAL GEAR PUMP
    • Publication number 20180023560
    • Publication date Jan 25, 2018
    • IMO INDUSTRIES, INC.
    • Patrick Wilson Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DUAL INTEGRATED ORGANIC WORKING FLUID PUMP
    • Publication number 20170211577
    • Publication date Jul 27, 2017
    • IMO INDUSTRIES, INC.
    • Patrick Wilson Duncan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY DAMPER FOR A VEHICLE
    • Publication number 20160009158
    • Publication date Jan 14, 2016
    • ZF Friedrichshafen AG
    • Detlef BAASCH
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Internal Gear Pump for a Hydraulic Vehicle Brake System
    • Publication number 20150274141
    • Publication date Oct 1, 2015
    • ROBERT BOSCH GmbH
    • Rene Schepp
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Motor-Pump Unit
    • Publication number 20150267699
    • Publication date Sep 24, 2015
    • Eckerle Industrie-Elektronik GmbH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...