the sealing fluid being other than the working fluid or being the working fluid treated

Patents Grantslast 30 patents

  • Information Patent Grant

    High pressure gas sealing

    • Patent number 12,152,598
    • Issue date Nov 26, 2024
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • 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

    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

    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

    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

    Rotary machine

    • Patent number 11,421,700
    • Issue date Aug 23, 2022
    • Mitsubishi Heavy Industries Compressor Corporation
    • Hiroyuki Miyata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mechanical barrier fluid pressure regulation for subsea systems

    • Patent number 11,378,083
    • Issue date Jul 5, 2022
    • OneSubsea IP UK Limited
    • Petter Solberg
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Submersible well fluid system

    • Patent number 11,352,863
    • Issue date Jun 7, 2022
    • FMC Technologies, Inc.
    • Christopher E. Cunningham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Shaft seal

    • Patent number 11,274,675
    • Issue date Mar 15, 2022
    • Plasticair Inc.
    • Paul Sixsmith
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Subsea barrier fluid system

    • Patent number 11,053,944
    • Issue date Jul 6, 2021
    • AKER SOLUTIONS AS
    • Dag Elvebakken
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mass-spectrometric leak detector with turbomolecular pump and boost...

    • Patent number 11,009,030
    • Issue date May 18, 2021
    • Inficon GmbH
    • Werner Grosse Bley
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry gas extraction device and method

    • Patent number 10,871,173
    • Issue date Dec 22, 2020
    • Nuovo Pignone SRL
    • Matteo Bertoneri
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Dry gas seal

    • Patent number 10,738,641
    • Issue date Aug 11, 2020
    • Nuovo Pignone Tecnologie Srl
    • Filippo Gerbi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Dry gas seal cooling arrangement and method

    • Patent number 10,677,255
    • Issue date Jun 9, 2020
    • Nuovo Pignone SRL
    • Leonardo Baldassarre
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Compressor motor windage loss mitigation

    • Patent number 10,612,551
    • Issue date Apr 7, 2020
    • Carrier Corporation
    • Vishnu M. Sishtla
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Machine and method for operating the machine

    • Patent number 10,570,769
    • Issue date Feb 25, 2020
    • Siemens Aktiengesellschaft
    • Joachim Krützfeldt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Barrier fluid pressure system and method

    • Patent number 10,550,949
    • Issue date Feb 4, 2020
    • OneSubsea IP UK Limited
    • Stig Kaare Kanstad
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor

    • Patent number 10,514,041
    • Issue date Dec 24, 2019
    • Kabushiki Kaisha Toyota Jidoshokki
    • Toshiro Fujii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary machine system

    • Patent number 10,385,975
    • Issue date Aug 20, 2019
    • Mitsubishi Heavy Industries Compressor Corporation
    • Ryo Egami
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary machine system

    • Patent number 10,385,862
    • Issue date Aug 20, 2019
    • Mitsubishi Heavy Industries Compressor Corporation
    • Ryo Egami
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Gas recovery system, compressor system, and refrigeration cycle system

    • Patent number 10,337,779
    • Issue date Jul 2, 2019
    • Mitsubishi Heavy Industries Compressor Corporation
    • Takuya Watanabe
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Fluid energy machine having a tandem dry gas seal

    • Patent number 10,337,520
    • Issue date Jul 2, 2019
    • Siemens Aktiengesellschaft
    • Ludger Alfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbocharger purge seal including axisymmetric supply cavity

    • Patent number 10,240,610
    • Issue date Mar 26, 2019
    • BorgWarner Inc.
    • Allan D. Kelly
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Thrust bearing as a seal

    • Patent number 10,100,932
    • Issue date Oct 16, 2018
    • New Way Machine Components, Inc.
    • Andrew J. Devitt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Porous media ventless seal

    • Patent number 10,030,666
    • Issue date Jul 24, 2018
    • New Way Machine Components, Inc.
    • Andrew J. Devitt
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Method and system for cooling a motor-compressor with a closed-loop...

    • Patent number 10,030,672
    • Issue date Jul 24, 2018
    • Dresser-Rand Company
    • Jose L. Gilarranz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Gas system for compressing a process gas

    • Patent number 9,568,014
    • Issue date Feb 14, 2017
    • Siemens Aktiengesellschaft
    • Ludger Alfes
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Efficient and reliable subsea compression system

    • Patent number 9,488,180
    • Issue date Nov 8, 2016
    • Dresser-Rand Company
    • Pascal Lardy
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Grant

    System for reducing compressor oil consumption

    • Patent number 9,261,106
    • Issue date Feb 16, 2016
    • Perkins Engines Company Limited
    • Tom W. Carlill
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Compressor employing a dry gas seal

    • Patent number 9,239,061
    • Issue date Jan 19, 2016
    • Kobe Steel, Ltd.
    • Toshiki Kitano
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...

Patents Applicationslast 30 patents

  • 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

    ROTOR STRUCTURE FOR A TURBOMACHINE WITH VENTING/SEALING ARRANGEMENT...

    • Publication number 20230003225
    • Publication date Jan 5, 2023
    • Siemens Energy Global GmbH & Co. KG
    • Glenn R. Grosso
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    MECHANICAL BARRIER FLUID PRESSURE REGULATION FOR SUBSEA SYSTEMS

    • Publication number 20220341429
    • Publication date Oct 27, 2022
    • Onesubsea IP UK Limited
    • Petter Solberg
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    SUBMERSIBLE WELL FLUID SYSTEM

    • Publication number 20220282602
    • Publication date Sep 8, 2022
    • FMC Technologies, Inc.
    • Christopher E. Cunningham
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING DEVICE AND INTEGRATED PUMP

    • Publication number 20220136517
    • Publication date May 5, 2022
    • IHI Corporation
    • Toru KUGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    HIGH PRESSURE GAS SEALING

    • Publication number 20210355954
    • Publication date Nov 18, 2021
    • Dover Pumps & Process Solutions Segment, Inc.
    • Vitali Kvachnev
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY MACHINE

    • Publication number 20210262482
    • Publication date Aug 26, 2021
    • MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATION
    • Hiroyuki Miyata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS TURBINE ENGINE AND AIRCRAFT WITH A GAS TURBINE ENGINE

    • Publication number 20200240427
    • Publication date Jul 30, 2020
    • ROLLS-ROYCE DEUTSCHLAND LTD & CO KG
    • Roy TEUBER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Mass-Spectrometric Leak Detector with Turbomolecular Pump and Boost...

    • Publication number 20190162193
    • Publication date May 30, 2019
    • INFICON GMBH
    • Werner Grosse Bley
    • G01 - MEASURING TESTING
  • Information Patent Application

    THRUST BEARING AS A SEAL

    • Publication number 20190049019
    • Publication date Feb 14, 2019
    • New Way Machine Components, Inc.
    • Andrew J. Devitt
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    DRY GAS SEAL COOLING ARRANGEMENT AND METHOD

    • Publication number 20190003481
    • Publication date Jan 3, 2019
    • Nuovo Pignone Tecnologie S.r.l.
    • Leonardo BALDASSARRE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    DRY GAS SEAL

    • Publication number 20180266265
    • Publication date Sep 20, 2018
    • Nuovo Pignone Tecnologie S.r.l.
    • Filippo GERBI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SUBSEA BARRIER FLUID SYSTEM

    • Publication number 20180231005
    • Publication date Aug 16, 2018
    • AKER SOLUTIONS AS
    • Dag ELVEBAKKEN
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR

    • Publication number 20180209435
    • Publication date Jul 26, 2018
    • Kabushiki Kaisha Toyota Jidoshokki
    • Toshiro Fujii
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY MACHINE SYSTEM

    • Publication number 20170370372
    • Publication date Dec 28, 2017
    • Mitsubishi Heavy Industries, Ltd.
    • Ryo Egami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY MACHINE SYSTEM

    • Publication number 20170363209
    • Publication date Dec 21, 2017
    • Mitsubishi Heavy Industries, Ltd.
    • Ryo Egami
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLUID ENERGY MACHINE HAVING A TANDEM DRY GAS SEAL

    • Publication number 20170191486
    • Publication date Jul 6, 2017
    • Siemens Aktiengesellschaft
    • Ludger Alfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND SYSTEM FOR COOLING A MOTOR-COMPRESSOR WITH A CLOSED-LOOP...

    • Publication number 20160025106
    • Publication date Jan 28, 2016
    • Dresser-Rand Company
    • Jose L. Gilarranz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBO MACHINE AND METHOD FOR THE OPERATION THEREOF

    • Publication number 20150322959
    • Publication date Nov 12, 2015
    • Siemens Aktiengesellschaft
    • Ludger Alfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    EFFICIENT AND RELIABLE SUBSEA COMPRESSION SYSTEM

    • Publication number 20150159662
    • Publication date Jun 11, 2015
    • Dresser-Rand Company
    • Pascal Lardy
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    BLOWER FAN

    • Publication number 20140212303
    • Publication date Jul 31, 2014
    • Takehito Tamaoka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS SYSTEM FOR COMPRESSING A PROCESS GAS

    • Publication number 20140050569
    • Publication date Feb 20, 2014
    • SIEMENS AKTIENGESELLSCHAFT
    • Ludger Alfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPRESSOR

    • Publication number 20130195649
    • Publication date Aug 1, 2013
    • Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
    • Toshiki Kitano
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method and System for Reducing Seal Gas Consumption and Settle-Out...

    • Publication number 20130129471
    • Publication date May 23, 2013
    • Dresser-Rand Company
    • Manoj K. Gupta
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    System for Reducing Compressor Oil Consumption

    • Publication number 20130022445
    • Publication date Jan 24, 2013
    • PERKINS ENGINES COMPANY LIMITED
    • Tom W. Carlill
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND SYSTEM FOR COOLING A MOTOR-COMPRESSOR WITH A CLOSED-LOOP...

    • Publication number 20120107143
    • Publication date May 3, 2012
    • Dresser-Rand Company
    • Jose L. Gilarranz
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE TURBOCOMPRESSOR

    • Publication number 20120093643
    • Publication date Apr 19, 2012
    • SIEMENS AKTIENGESELLSCHAFT
    • Ludger Alfes
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    FLOW DISTRIBUTED BUFFERED/EDUCTED GAS SEAL

    • Publication number 20120038112
    • Publication date Feb 16, 2012
    • Cameron International Corporation
    • Edward S. Czechowski
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Underwater Delivery Unit

    • Publication number 20110064592
    • Publication date Mar 17, 2011
    • Axel Jaeschke
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY GAS BLOW DOWN SEAL

    • Publication number 20100254811
    • Publication date Oct 7, 2010
    • DRESSER-RAND CO.
    • Mark Joseph Kuzdzal
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES