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Shaft sealings

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  • F04D29/10
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Parent Industries

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04DNON-POSITIVE DISPLACEMENT PUMPS F04D29/00Details, component parts, or accessories

Current Industry

F04D29/10Shaft sealings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Step seal for refrigerant compressors
    • Patent number 12,146,501
    • Issue date Nov 19, 2024
    • Danfoss A/S
    • James Wilson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Delivery device for delivering a liquid
    • Patent number 12,146,500
    • Issue date Nov 19, 2024
    • Mahle International GmbH
    • Martin Gross
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Molten metal pump
    • Patent number 12,129,871
    • Issue date Oct 29, 2024
    • Pyrotek, Inc.
    • Andrew Horsfall
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Auxiliary shaft seal flushing system of a centrifugal pump and an a...
    • Patent number 12,085,092
    • Issue date Sep 10, 2024
    • TIANJIN CRDT FLUID CONTROL SYSTEM LTD.
    • Yu Xing
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Integrated pressurized pump shaft seal assembly and method of use t...
    • Patent number 12,071,955
    • Issue date Aug 27, 2024
    • Dajustco IP Holdings Inc.
    • Peter Francis Van-De-Velde
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Blower
    • Patent number 12,038,018
    • Issue date Jul 16, 2024
    • CAP CO., LTD.
    • Kimihiko Sato
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Pump assembly and method of controlling a pump
    • Patent number 12,025,139
    • Issue date Jul 2, 2024
    • Grundfos Holding a/s
    • Maryam Momeni
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Electric submersible pump systems
    • Patent number 12,018,553
    • Issue date Jun 25, 2024
    • Schlumberger Technology Corporation
    • Arthur Ignatius Watson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Vacuum pump
    • Patent number 11,994,137
    • Issue date May 28, 2024
    • Edwards Japan Limited
    • Tooru Miwata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing device and integrated pump
    • Patent number 11,988,219
    • Issue date May 21, 2024
    • IHI Corporation
    • Toru Kuga
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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 for delivering a fluid and method of manufacturing a pump
    • Patent number 11,944,805
    • Issue date Apr 2, 2024
    • Ingo Stotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing device, rotary machine, and design method for sealing devic...
    • Patent number 11,927,195
    • Issue date Mar 12, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Motomu Asahara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotating machine and mating ring included therein
    • Patent number 11,920,605
    • Issue date Mar 5, 2024
    • BorgWarner Inc.
    • Tyler Ransom Garrard
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Baffle element, diffuser plate, and seal system incorporating a baf...
    • Patent number 11,892,006
    • Issue date Feb 6, 2024
    • CUMMINS LIMITED
    • Yao Lu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Combustible gas compressor
    • Patent number 11,892,010
    • Issue date Feb 6, 2024
    • CLUSTER LNG CO., LTD.
    • Jung Han Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor rotor structure
    • Patent number 11,885,340
    • Issue date Jan 30, 2024
    • Siemens Energy Global GmbH & Co. KG
    • Martin Reimann
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotor structure for a turbomachine with venting/sealing arrangement...
    • Patent number 11,859,631
    • Issue date Jan 2, 2024
    • Siemens Energy Global GmbH & Co. KG
    • Glenn R. Grosso
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Compressor rotor having flow loop through tie bolt
    • Patent number 11,821,435
    • Issue date Nov 21, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Kevin Miny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Boil-off gas compressor for LNG fueled ship
    • Patent number 11,815,103
    • Issue date Nov 14, 2023
    • CLUSTER LNG CO., LTD.
    • Jung Han Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    High pressure gas sealing
    • Patent number 11,788,541
    • Issue date Oct 17, 2023
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Tandem seal pump
    • Patent number 11,788,542
    • Issue date Oct 17, 2023
    • Banjo Corporation
    • Daniel Truax
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cupseal for compressor and method for preparing the same
    • Patent number 11,773,976
    • Issue date Oct 3, 2023
    • Saint-Gobain Performance Plastics Corporation
    • Tao He
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Steam leakage compact bearing
    • Patent number 11,746,827
    • Issue date Sep 5, 2023
    • NIDEC GPM GmbH
    • Franz Pawellek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Brush seal comprising at least two groups of bristles
    • Patent number 11,719,163
    • Issue date Aug 8, 2023
    • SAFRAN AIRCRAFT ENGINES
    • Kévin Nicolas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Stuffing box for vertical pumps
    • Patent number 11,708,839
    • Issue date Jul 25, 2023
    • Saudi Arabian Oil Company
    • Mohammad Qahtani
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pump gland with rotary dynamic seal
    • Patent number 11,703,063
    • Issue date Jul 18, 2023
    • Viking Pump, Inc.
    • Scott Meyer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Fluid sealing member and fluid pump and motor having fluid sealing...
    • Patent number 11,698,079
    • Issue date Jul 11, 2023
    • LURACO, INC.
    • Kevin Le
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Step seal for refrigerant compressors
    • Patent number 11,692,557
    • Issue date Jul 4, 2023
    • DANFOSS A/S
    • James Wilson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pressure seal assembly
    • Patent number 11,686,218
    • Issue date Jun 27, 2023
    • Pratt & Whitney Canada Corp.
    • Stuart Hodgson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC SUBMERSIBLE PUMP SYSTEMS
    • Publication number 20240301775
    • Publication date Sep 12, 2024
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Arthur Ignatius Watson
    • E21 - EARTH DRILLING MINING
  • 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

    SHAFT SEAL STRUCTURE, COMPRESSOR, AND REFRIGERATION APPARATUS
    • Publication number 20240263638
    • Publication date Aug 8, 2024
    • Daikin Industries, Ltd.
    • Kosuke NISHIMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SACRIFICIAL ANODE ASSEMBLY FOR A SEAL SECTION OF AN ELECTRIC SUBMER...
    • Publication number 20240247660
    • Publication date Jul 25, 2024
    • Halliburton Energy Services, Inc.
    • Steven Pyron
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Rotary Machine And Primary Motor-Pump Assembly Provided With This R...
    • Publication number 20240229813
    • Publication date Jul 11, 2024
    • ELECTRICITE DE FRANCE
    • Julien Freychet
    • G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
  • Information Patent Application

    SEAL LEAK GAS RECOVERY SYSTEM USING AN EJECTOR AND METHOD
    • Publication number 20240229670
    • Publication date Jul 11, 2024
    • Nuovo Pignone Tecnologie S.r.l.
    • Sergio CIPRIANI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    UNDERWATER MOTOR PUMP
    • Publication number 20240229799
    • Publication date Jul 11, 2024
    • EBARA CORPORATION
    • Kazuya HIRAMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    OIL CIRCUIT DESIGN, OIL SUPPLY METHOD AND DOUBLE CIRCUIT OIL PUMP F...
    • Publication number 20240218971
    • Publication date Jul 4, 2024
    • ZF Friedrichshafen AG
    • Feng HU
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PUMP FOR DELIVERING A FLUID AND METHOD OF MANUFACTURING A PUMP
    • Publication number 20240198084
    • Publication date Jun 20, 2024
    • KARDION GMBH
    • Ingo Stotz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING ASSEMBLY FOR A SHAFT PASSAGE OPENING FOR A FAN
    • Publication number 20240200566
    • Publication date Jun 20, 2024
    • Pittway Sarl
    • Kay Jarysek
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEAL LEAK GAS RECOVERY SYSTEM USING AN EJECTOR AND METHOD
    • Publication number 20240133310
    • Publication date Apr 25, 2024
    • Nuovo Pignone Tecnologie S.r.l.
    • Sergio CIPRIANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTATING PUMP SHAFT BARRIER SEAL
    • Publication number 20240102481
    • Publication date Mar 28, 2024
    • VIKING PUMP, INC.
    • Andrew Anderson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE GAS SEALING
    • Publication number 20240077083
    • Publication date Mar 7, 2024
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MAGNETIC FLUID SEALED SHAFT ASSEMBLY, SHIELDED MOTOR, AND SHIELDED...
    • Publication number 20240063681
    • Publication date Feb 22, 2024
    • Shenyang Anti-Corrosion Alloy Pump CO., LTD.
    • Jie HAN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING GAS LEAKAGE RECOVERY AND SEALING GAS BOOSTING SYSTEM AND ME...
    • Publication number 20240026893
    • Publication date Jan 25, 2024
    • Nuovo Pignone Tecnologie S.r.l.
    • Sergio CIPRIANI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBO COMPRESSOR ASSEMBLY OF A COOLING MACHINE
    • Publication number 20230407873
    • Publication date Dec 21, 2023
    • MIRAI INTEX SAGL
    • Vladyslav TSYPLAKOV
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PERMANENT MAGNET MOTOR
    • Publication number 20230400029
    • Publication date Dec 14, 2023
    • Halliburton Energy Services, Inc.
    • Hassan MANSIR
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    VACUUM PUMP AND VACUUM EXHAUST SYSTEM USING THE VACUUM PUMP
    • Publication number 20230383757
    • Publication date Nov 30, 2023
    • Edwards Japan Limited
    • Yoshiyuki Sakaguchi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    PUMP WITH IMPELLER FOR CIRCULATING COOLING FLUID AND RELATED IMPELLER
    • Publication number 20230349393
    • Publication date Nov 2, 2023
    • Crane Pumps & Systems PFT Corp.
    • Kirk Neer
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID MACHINE
    • Publication number 20230332618
    • Publication date Oct 19, 2023
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Yuki OKANO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING DEVICE, ROTARY MACHINE, AND DESIGN METHOD FOR SEALING DEVICE
    • Publication number 20230287894
    • Publication date Sep 14, 2023
    • Mitsubishi Heavy Industries, Ltd.
    • Motomu ASAHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STEP SEAL FOR REFRIGERANT COMPRESSORS
    • Publication number 20230279865
    • Publication date Sep 7, 2023
    • Danfoss A/S
    • James Wilson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TURBO FLUID MACHINE
    • Publication number 20230265858
    • Publication date Aug 24, 2023
    • KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    • Junya SUZUKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DELIVERY DEVICE FOR DELIVERING A LIQUID
    • Publication number 20230243363
    • Publication date Aug 3, 2023
    • MAHLE International GmbH
    • Martin Gross
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING SYSTEM FOR MAGNETIC LEVITATING CENTRIFUGAL COMPRESSOR AND M...
    • Publication number 20230228275
    • Publication date Jul 20, 2023
    • Carrier Corporation
    • Jiedong Li
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR ROTOR HAVING FLOW LOOP THROUGH TIE BOLT
    • Publication number 20230193920
    • Publication date Jun 22, 2023
    • Kevin Miny
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ELECTRIC SUBMERSIBLE PUMP SYSTEMS
    • Publication number 20230167723
    • Publication date Jun 1, 2023
    • SCHLUMBERGER TECHNOLOGY CORPORATION
    • Arthur Ignatius Watson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    STUFFING BOX FOR VERTICAL PUMPS
    • Publication number 20230160393
    • Publication date May 25, 2023
    • Saudi Arabian Oil Company
    • Mohammad Qahtani
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    BLOWER MOTOR
    • Publication number 20230163661
    • Publication date May 25, 2023
    • Dongguan Kede Precision Manufacturing Co., Ltd.
    • YOUWEI TANG
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COMPRESSOR ROTOR STRUCTURE
    • Publication number 20230125483
    • Publication date Apr 27, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Martin Reimann
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...