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pressure compensation between motor- and pump- compartment

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  • F04D13/062
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D13/00Pumping installations or systems

Current Industry

F04D13/062pressure compensation between motor- and pump- compartment
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Pump device comprising a radial bearing
    • Patent number 12,092,125
    • Issue date Sep 17, 2024
    • HELLA GMBH & CO. KGAA
    • Martin Cordes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump device
    • Patent number 12,074,495
    • Issue date Aug 27, 2024
    • HELLA GMBH & CO. KGAA
    • Benjamin Grothe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric coolant pump with expansion compensating seal
    • Patent number 11,988,218
    • Issue date May 21, 2024
    • MULTI PARTS SUPPLY USA, INC.
    • Brandon Christopher Kruizenga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump device
    • Patent number 11,982,278
    • Issue date May 14, 2024
    • NIDEC SANKYO CORPORATION
    • Takashi Yamamoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Inverted closed bellows with lubricated guide ring support
    • Patent number 11,976,660
    • Issue date May 7, 2024
    • Baker Hughes Oilfield Operations LLC
    • Cody Hollohan
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Magnetic pump
    • Patent number 11,913,457
    • Issue date Feb 27, 2024
    • HMD Seal/Less Pumps Limited
    • David Clark
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water pump with adjustable water discharge direction
    • Patent number 11,859,638
    • Issue date Jan 2, 2024
    • Bingbiao Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric coolant pump
    • Patent number 11,808,267
    • Issue date Nov 7, 2023
    • Pierburg Pump Technology GmbH
    • Martin Helmis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid expansion chamber with protected bellow
    • Patent number 11,795,795
    • Issue date Oct 24, 2023
    • GE Oil & Gas ESP, Inc.
    • Brian Paul Reeves
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blood pump with micromotor
    • Patent number 11,781,550
    • Issue date Oct 10, 2023
    • Abiomed Europe GmbH
    • Thorsten Siess
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic levitation centrifugal pump
    • Patent number 11,732,726
    • Issue date Aug 22, 2023
    • Eurosets S.r.l.
    • Nicola Ghelli
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible canned motor pump
    • Patent number 11,697,982
    • Issue date Jul 11, 2023
    • Saudi Arabian Oil Company
    • Christopher Wrighton
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Blade and pump impeller assembly for a dishwasher
    • Patent number 11,672,402
    • Issue date Jun 13, 2023
    • Whirlpool Corporation
    • Pritish Roy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Data and power configuration for electrical submersible well pump
    • Patent number 11,674,518
    • Issue date Jun 13, 2023
    • Baker Hughes Oilfield Operations LLC
    • Ryan Semple
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pumping device, a single-use device and a method for operating a pu...
    • Patent number 11,619,236
    • Issue date Apr 4, 2023
    • Levitronix GmbH
    • Reto Schöb
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetic drive pump
    • Patent number 11,603,845
    • Issue date Mar 14, 2023
    • Zi Yi Electrical Engineering Co., LTD
    • Ting-Tsai Huang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump arrangement
    • Patent number 11,555,506
    • Issue date Jan 17, 2023
    • Lutz Pumpen GmbH
    • Andrej Getze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Method for manufacturing a can
    • Patent number 11,512,702
    • Issue date Nov 29, 2022
    • Grundfos Holding a/s
    • Allan Hjarbæk Holm
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Submersible pump with barrier fluid isolation of motor lubricating...
    • Patent number 11,499,558
    • Issue date Nov 15, 2022
    • Flowserve Management Company
    • John L. Brown
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Blade and pump impeller assembly for a dishwasher
    • Patent number 11,382,485
    • Issue date Jul 12, 2022
    • Whirlpool Corporation
    • Pritish Roy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Modular pump and pumping system including same
    • Patent number 11,384,757
    • Issue date Jul 12, 2022
    • Liberty Pumps, Inc.
    • Timothy D. McCrossen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 11,384,776
    • Issue date Jul 12, 2022
    • Zhejiang Sanhua Intelligent Controls Co., Ltd.
    • Junfeng Bao
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric pump
    • Patent number 11,378,081
    • Issue date Jul 5, 2022
    • Shinano Kenshi Co., Ltd.
    • Takeshi Miyasaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid pump having an internal bearing collar and method for assembl...
    • Patent number 11,378,082
    • Issue date Jul 5, 2022
    • Mahle International GmbH
    • Johannes Diekmann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly
    • Patent number 11,286,941
    • Issue date Mar 29, 2022
    • Grundfos Holding a/s
    • Erik Bundesen Svarre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Isolated chamber for mechanical face seal leakage in submersible we...
    • Patent number 11,268,518
    • Issue date Mar 8, 2022
    • Baker Hughes Oilfield Operations LLC
    • Ryan Semple
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Electric pump assembly with user-accessible wet section
    • Patent number 11,255,331
    • Issue date Feb 22, 2022
    • DAB Pumps S.p.A.
    • Francesco Sinico
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Polygonal liner for electrical submersible pump canned motor
    • Patent number 11,152,831
    • Issue date Oct 19, 2021
    • Saudi Arabian Oil Company
    • Christopher Wrighton
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Magnetically driven pump
    • Patent number 11,092,147
    • Issue date Aug 17, 2021
    • Cooler Master Co., Ltd.
    • Wen-Hsien Lin
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump assembly
    • Patent number 11,085,462
    • Issue date Aug 10, 2021
    • Grundfos Holding a/s
    • Erik Bundesen Svarre
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC PUMP ASSEMBLY, MANUFACTURING METHOD FOR INSTALLING SUCH A...
    • Publication number 20240384725
    • Publication date Nov 21, 2024
    • OPTIMEX
    • Pierre-Marc DE MOURGUES
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID PUMP, MOTOR VEHICLE, USE AND PRODUCTION METHOD
    • Publication number 20240360831
    • Publication date Oct 31, 2024
    • Vitesco Technologies GMBH
    • Christian Weis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COOLANT PUMP WITH EXPANSION COMPENSATING SEAL
    • Publication number 20240263637
    • Publication date Aug 8, 2024
    • Muti Parts Supply USA, Inc.
    • Brandon C. Kruizenga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOOD PUMP WITH MICROMOTOR
    • Publication number 20240229798
    • Publication date Jul 11, 2024
    • ABIOMED EUROPE GMBH
    • Thorsten Siess
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLOOD PUMP WITH MICROMOTOR
    • Publication number 20240133383
    • Publication date Apr 25, 2024
    • ABIOMED EUROPE GMBH
    • Thorsten Siess
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AUTOMOTIVE ELECTRICAL LIQUID PUMP
    • Publication number 20240113597
    • Publication date Apr 4, 2024
    • PIERBURG PUMP TECHNOLOGY GMBH
    • JENS TEUBEL
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20240102477
    • Publication date Mar 28, 2024
    • ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO., LTD.
    • Jundi HU
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP
    • Publication number 20240068479
    • Publication date Feb 29, 2024
    • NIDEC CORPORATION
    • Kosei OZAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COOLANT PUMP
    • Publication number 20230407870
    • Publication date Dec 21, 2023
    • PIERBURG PUMP TECHNOLOGY GMBH
    • RONALD RATHKE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MODULAR COMPACT PUMP
    • Publication number 20230243354
    • Publication date Aug 3, 2023
    • Vetco Gray Scandinavia AS
    • Erik RAAD
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Electric Rotating Machine, Electric Motor, or Liquid Pump with Air...
    • Publication number 20230170756
    • Publication date Jun 1, 2023
    • SIEMENS AKTIENGESELLSCHAFT
    • David Finck
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP DEVICE
    • Publication number 20220381248
    • Publication date Dec 1, 2022
    • NIDEC SANKYO CORPORATION
    • Takashi YAMAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    BLADE AND PUMP IMPELLER ASSEMBLY FOR A DISHWASHER
    • Publication number 20220313058
    • Publication date Oct 6, 2022
    • WHIRLPOOL CORPORATION
    • Pritish Roy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUBSEA ELECTRIC FLUID PROCESSING MACHINE
    • Publication number 20220252071
    • Publication date Aug 11, 2022
    • Onesubsea IP UK Limited
    • Anders Brunvold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUBSEA ELECTRIC FLUID PROCESSING MACHINE
    • Publication number 20220252070
    • Publication date Aug 11, 2022
    • Onesubsea IP UK Limited
    • Anders Brunvold
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CANNED MOTOR AND PUMP DRIVEN BY SAME, AND ROCKET ENGINE SYSTEM AND...
    • Publication number 20220186686
    • Publication date Jun 16, 2022
    • EBARA CORPORATION
    • Shuichiro Honda
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP ARRANGEMENT
    • Publication number 20220082108
    • Publication date Mar 17, 2022
    • Lutz Pumpen GmbH
    • Andrej Getze
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETIC LEVITATION CENTRIFUGAL PUMP
    • Publication number 20220025896
    • Publication date Jan 27, 2022
    • EUROSETS S.R.L.
    • Nicola GHELLI
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Can, And A Method For Producing Same
    • Publication number 20210404472
    • Publication date Dec 30, 2021
    • KLAUS UNION GMBH & CO. KG
    • Thomas Eschner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Application

    PUMPING DEVICE, A SINGLE-USE DEVICE AND A METHOD FOR OPERATING A PU...
    • Publication number 20210254623
    • Publication date Aug 19, 2021
    • Levitronix GmbH
    • Reto SCHÖB
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    ELECTRIC COOLANT PUMP
    • Publication number 20210239121
    • Publication date Aug 5, 2021
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MARTIN HELMIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COOLANT PUMP
    • Publication number 20210239122
    • Publication date Aug 5, 2021
    • PIERBURG PUMP TECHNOLOGY GMBH
    • ANDREAS LOEKES
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    BLOOD PUMP WITH MICROMOTOR
    • Publication number 20210140434
    • Publication date May 13, 2021
    • ABIOMED EUROPE GMBH
    • Thorsten Siess
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    BLADE AND PUMP IMPELLER ASSEMBLY FOR A DISHWASHER
    • Publication number 20210030254
    • Publication date Feb 4, 2021
    • Whirlpool Corporation
    • Pritish Roy
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD FOR MANUFACTURING A CAN
    • Publication number 20210010476
    • Publication date Jan 14, 2021
    • GRUNDFOS HOLDING A/S
    • Allan Hjarbæk HOLM
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC COMPRESSOR HAVING IMPROVED OIL SEPARATION EFFICIENCY
    • Publication number 20200316507
    • Publication date Oct 8, 2020
    • LG ELECTRONICS INC.
    • Kitae JANG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ELECTRIC FLUID PUMP FOR A MOTOR VEHICLE
    • Publication number 20200309136
    • Publication date Oct 1, 2020
    • PIERBURG PUMP TECHNOLOGY GMBH
    • MARTIN HELMIS
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    THIN TYPE PUMP STRUCTURE
    • Publication number 20200191148
    • Publication date Jun 18, 2020
    • ASIA VITAL COMPONENTS (CHINA) CO., LTD.
    • Meng Shen
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC PUMP
    • Publication number 20190353168
    • Publication date Nov 21, 2019
    • AISIN SEIKI KABUSHIKI KAISHA
    • Toru FUJIKAWA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE-LESS VARIABLE DISPLACEMENT PUMP
    • Publication number 20190226484
    • Publication date Jul 25, 2019
    • HAMILTON SUNDSTRAND CORPORATION
    • Naison E. Mastrocola
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...