Radial sealing elements specially adapted for intermeshing-engagement type machines or pumps

Patents Grantslast 30 patents

  • Information Patent Grant

    Hypotrochoid positive-displacement machine

    • Patent number 12,168,980
    • Issue date Dec 17, 2024
    • Genesis Advanced Technology Inc.
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Sealing assembly for a progressive cavity pump

    • Patent number 12,018,688
    • Issue date Jun 25, 2024
    • Johnson & Johnson Surgical Vision, Inc.
    • Ilya Sitnitsky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor modulation system with multi-way valve

    • Patent number 11,879,460
    • Issue date Jan 23, 2024
    • Copeland LP
    • Camden L. Ives
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor modulation system with multi-way valve

    • Patent number 11,655,813
    • Issue date May 23, 2023
    • Emerson Climate Technologies, Inc.
    • Camden L. Ives
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Hypotrochoid positive-displacement machine

    • Patent number 11,549,507
    • Issue date Jan 10, 2023
    • Genesis Advanced Technology Inc.
    • James Brent Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Full-metal anti-high temperature cycloid downhole motor

    • Patent number 11,525,443
    • Issue date Dec 13, 2022
    • China University of Geosciences (Beijing)
    • Yu Wang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump device having three member seal mechanism containing fitt...

    • Patent number 11,378,077
    • Issue date Jul 5, 2022
    • Advics Co., Ltd.
    • Tadayoshi Usami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roots pump having a seal member with first and second projections

    • Patent number 11,353,021
    • Issue date Jun 7, 2022
    • Kabushiki Kaisha Toyota Jidoshokki
    • Fumiya Shinoda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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

    Lobe gear pump with inducer assembly and centrifugal pump having on...

    • Patent number 10,995,751
    • Issue date May 4, 2021
    • PMC LIQUIFLO EQUIPMENT CO., INC.
    • Yu-Sen J. Chu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multi-phase pump with cooled liquid reservoir

    • Patent number 10,962,002
    • Issue date Mar 30, 2021
    • Flowserve Management Company
    • Alejandro Fratini
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pumps

    • Patent number 10,954,939
    • Issue date Mar 23, 2021
    • Cytiva Sweden AB
    • Andreas Torbjorn Lundin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump with gear having interspersed vanes

    • Patent number 10,823,169
    • Issue date Nov 3, 2020
    • Roper Pump Company
    • William D. Flavelle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gear pump device for rubber extrusion

    • Patent number 10,738,776
    • Issue date Aug 11, 2020
    • Sumitomo Rubber Industries, Ltd.
    • Hiroyuki Onimatsu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Elastic containment assembly for a pump

    • Patent number 10,724,519
    • Issue date Jul 28, 2020
    • FLUID-O-TECH S.R.L.
    • Vittorio Andreis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Eccentric screw pump

    • Patent number 10,648,337
    • Issue date May 12, 2020
    • seepex GmbH
    • Dirk Overmeier
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Stepping motor drive apparatus, gear pump, and stepping motor-drive...

    • Patent number 10,323,637
    • Issue date Jun 18, 2019
    • Mosi Chu Irrevocable Trust
    • Mosi Chu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-pump unit

    • Patent number 10,060,432
    • Issue date Aug 28, 2018
    • Eckerle Industrie Elektronik GmbH
    • Reinhard Pippes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor-pump unit

    • Patent number 9,945,377
    • Issue date Apr 17, 2018
    • Eckerle Industrie Elektronik GmbH
    • Reinhard Pippes
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sealing of a gear pump

    • Patent number 9,835,155
    • Issue date Dec 5, 2017
    • Advics Co., Ltd.
    • Takashi Hashiba
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Rotary fluid machine

    • Patent number 9,828,993
    • Issue date Nov 28, 2017
    • Hitachi, Ltd.
    • Takahiro Itou
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gear pump

    • Patent number 9,644,627
    • Issue date May 9, 2017
    • Hitachi, Ltd.
    • Takahiro Ito
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Self-priming positive displacement constant flow high capacity pump

    • Patent number 9,581,155
    • Issue date Feb 28, 2017
    • Richard Hibbard
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Internal gear pump for a hydraulic vehicle brake system

    • Patent number 9,481,347
    • Issue date Nov 1, 2016
    • Robert Bosch GmbH
    • Rene Schepp
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Internal gear pump including a separating piece

    • Patent number 9,470,227
    • Issue date Oct 18, 2016
    • Robert Bosch GmbH
    • Massimiliano Ambrosi
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Pump device having a micro pump and bearing member for a micro pump

    • Patent number 9,404,492
    • Issue date Aug 2, 2016
    • HNP MIKROSYSTEME GMBH
    • Sven Reimann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Power steering pumping apparatus for vehicle

    • Patent number 9,393,991
    • Issue date Jul 19, 2016
    • Hyundai Motor Company
    • Dae Suk Jung
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

  • Information Patent Application

    HYPOTROCHOID POSITIVE-DISPLACEMENT MACHINE

    • Publication number 20240352929
    • Publication date Oct 24, 2024
    • Genesis Advanced Technology Inc.
    • James B. Klassen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEROTOR AND PUMP APPARATUS HAVING A GEROTOR DEVICE

    • Publication number 20230287884
    • Publication date Sep 14, 2023
    • MAHLE International GmbH
    • Holger Conrad
    • 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

    SEALING ASSEMBLY FOR A PROGRESSIVE CAVITY PUMP

    • Publication number 20230258177
    • Publication date Aug 17, 2023
    • Johnson & Johnson Surgical Vision, Inc.
    • Ilya Sitnitsky
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Modulation System With Multi-Way Valve

    • Publication number 20230055642
    • Publication date Feb 23, 2023
    • Emerson Climate Technologies, Inc.
    • Camden L. IVES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor Modulation System With Multi-Way Valve

    • Publication number 20230036027
    • Publication date Feb 2, 2023
    • Emerson Climate Technologies, Inc.
    • Camden L. IVES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Compressor With Compliant Seal

    • Publication number 20210372400
    • Publication date Dec 2, 2021
    • Emerson Climate Technologies, Inc.
    • James A. SCHAEFER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROOTS PUMP

    • Publication number 20210340979
    • Publication date Nov 4, 2021
    • Kabushiki Kaisha Toyota Jidoshokki
    • Fumiya SHINODA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP

    • Publication number 20210254618
    • Publication date Aug 19, 2021
    • Myung Hwa Ind. Co., Ltd.
    • Sun Joo MOON
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Fixed Displacement Pump For Use For Conveying A Hydraulic Fluid In...

    • Publication number 20210115921
    • Publication date Apr 22, 2021
    • BOMAG GmbH
    • Markus Forster
    • 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

    Improvements In and Relating to Gear Pumps

    • Publication number 20190145405
    • Publication date May 16, 2019
    • GE HEALTHCARE BIO-SCIENCES AB
    • Andreas Torbjorn Lundin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL PUMP DRIVING DEVICE

    • Publication number 20190017588
    • Publication date Jan 17, 2019
    • NTN Corporation
    • Masahiro KAWAI
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    IDLER GEAR FOR POSITIVE DISPLACEMENT GEAR PUMP

    • Publication number 20180328360
    • Publication date Nov 15, 2018
    • VIKING PUMP, INC.
    • Victor Christian Iehl
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP DEVICE FOR RUBBER EXTRUSION

    • Publication number 20180320686
    • Publication date Nov 8, 2018
    • SUMITOMO RUBBER INDUSTRIES, LTD.
    • Hiroyuki ONIMATSU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALED ROTOR ASSEMBLY FOR A ROTARY FLUID DEVICE

    • Publication number 20180231015
    • Publication date Aug 16, 2018
    • PEOPLEFLO MANUFACTURING, INC.
    • William R. Blankemeier
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Design and Method to Improve Downhole Motor Durability

    • Publication number 20180003174
    • Publication date Jan 4, 2018
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Samba Ba
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STEPPING MOTOR DRIVE APPARATUS, GEAR PUMP, AND STEPPING MOTOR-DRIVE...

    • Publication number 20170363083
    • Publication date Dec 21, 2017
    • Thermovision, Inc.
    • Mosi Chu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ECCENTRIC SCREW PUMP

    • Publication number 20170306760
    • Publication date Oct 26, 2017
    • Dirk OVERMEIER
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELASTIC CONTAINMENT ASSEMBLY FOR A PUMP

    • Publication number 20170254329
    • Publication date Sep 7, 2017
    • FLUID-O-TECH S.R.L.
    • Vittorio Andreis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE

    • Publication number 20170067463
    • Publication date Mar 9, 2017
    • NIPPON OIL PUMP CO., LTD.
    • Yuji Kawano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GEAR PUMP

    • Publication number 20160108914
    • Publication date Apr 21, 2016
    • JOHNSON ELECTRIC S.A.
    • Mohanlal RAMADOSS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP UNIT

    • Publication number 20160025092
    • Publication date Jan 28, 2016
    • JTEKT Corporation
    • Yasukata Miyagawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPACT STRUCTURE OF GEAR PUMP

    • Publication number 20160010645
    • Publication date Jan 14, 2016
    • DENSO CORPORATION
    • Takashi Hashiba
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    Gear Pump

    • Publication number 20150337836
    • Publication date Nov 26, 2015
    • Hitachi, Ltd
    • Takahiro ITO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Fluid Machine

    • Publication number 20150322945
    • Publication date Nov 12, 2015
    • Hitachi,Ltd
    • Takahiro ITOU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY LOBE PUMP WITH WIPER BLADES

    • Publication number 20150285248
    • Publication date Oct 8, 2015
    • Randy Dixon
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • 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...
  • Information Patent Application

    Motor-Pump Unit

    • Publication number 20150267701
    • Publication date Sep 24, 2015
    • Eckerle Industrie-Elektronik GmbH
    • Reinhard PIPPES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...