TREA

Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids

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Industry

  • CPC
  • F04C19/00
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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

Current Industry

F04C19/00Rotary-piston pumps with fluid ring or the like, specially adapted for elastic fluids

Sub Industries

F04C19/001General arrangements, plants, flowsheets F04C19/002with rotating outer members F04C19/004Details concerning the operating liquid F04C19/005Details concerning the admission or discharge F04C19/007Port members in the form of side plates F04C19/008Port members in the form of conical or cylindrical pieces situated in the centre of the impeller
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Control of liquid ring pump
    • Patent number 12,188,473
    • Issue date Jan 7, 2025
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing soft water recovery apparatus for vacuum pump in vacuum pre...
    • Patent number 12,152,585
    • Issue date Nov 26, 2024
    • SHANGHAI LIFENGAS CO., LTD
    • Zhengxiong Zhang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Distillation apparatus
    • Patent number 12,151,183
    • Issue date Nov 26, 2024
    • Clean Water Designs LTD
    • Duncan Peters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Control of operating liquid flow into a liquid ring pump
    • Patent number 12,123,412
    • Issue date Oct 22, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Valve arrangement
    • Patent number 12,092,106
    • Issue date Sep 17, 2024
    • Richard Paul Kelsall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump control
    • Patent number 12,038,007
    • Issue date Jul 16, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Extending life cycles of vacuum pumps used in manufacturing processes
    • Patent number 11,905,955
    • Issue date Feb 20, 2024
    • Kashiyama Industries, Ltd.
    • Yoshinori Christopher Dokko
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Liquid ring pump control
    • Patent number 11,828,285
    • Issue date Nov 28, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water vapor distillation apparatus, method and system
    • Patent number 11,826,681
    • Issue date Nov 28, 2023
    • Deka Products Limited Partneship
    • Dean Kamen
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Water-ring vacuum pump including built-in hogging flow path
    • Patent number 11,828,286
    • Issue date Nov 28, 2023
    • VACCOMP CO., LTD.
    • Seok Won Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Device and method for evacuating a chamber and purifying the gas ex...
    • Patent number 11,802,562
    • Issue date Oct 31, 2023
    • Sterling Industry Consult GmbH
    • Heiner Kösters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Control system for liquid ring pumps
    • Patent number 11,746,785
    • Issue date Sep 5, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao)
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal air compressor and control
    • Patent number 11,572,882
    • Issue date Feb 7, 2023
    • Pecheanu Air Compressors Inc.
    • Cristinel Antoniu Pecheanu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring pump manifold
    • Patent number 11,542,943
    • Issue date Jan 3, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Low pressure sealing liquid entry area in a compressor type liquid...
    • Patent number 11,512,700
    • Issue date Nov 29, 2022
    • GARDNER DENVER NASH LLC
    • Ramesh Balkunge Shenoi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    To pumping line arrangements
    • Patent number 11,437,248
    • Issue date Sep 6, 2022
    • Edwards Limited
    • Andrew James Seeley
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Pressurized vapor cycle liquid distillation
    • Patent number 11,260,316
    • Issue date Mar 1, 2022
    • Deka Products Limited Partnership
    • David F. Bednarek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Air/oil separator
    • Patent number 11,167,237
    • Issue date Nov 9, 2021
    • Dekker Vacuum Technologies, Inc.
    • Sajid Ali Khan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring vacuum pump
    • Patent number 11,143,186
    • Issue date Oct 12, 2021
    • Ebara Corporation
    • Hiroyuki Kawasaki
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressurized vapor cycle liquid distillation
    • Patent number 11,123,654
    • Issue date Sep 21, 2021
    • Deka Products Limited Partnership
    • David F. Bednarek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Ring section pump having intermediate tie rod combination
    • Patent number 11,118,584
    • Issue date Sep 14, 2021
    • ITT Manufacturing Enterprises LLC.
    • Daniel S. Miller
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • 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

    Water vapor distillation apparatus, method and system
    • Patent number 10,946,302
    • Issue date Mar 16, 2021
    • Deka Products Limited Partnership
    • Dean Kamen
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Pressurized vapor cycle liquid distillation
    • Patent number 10,905,971
    • Issue date Feb 2, 2021
    • Deka Products Limited Partnership
    • David F. Bednarek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Liquid-ring compressor including bypass pipe
    • Patent number 10,883,505
    • Issue date Jan 5, 2021
    • VACCOMP CO., LTD.
    • Seok Won Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid-ring vacuum pump having internal inspection and foreign matt...
    • Patent number 10,844,858
    • Issue date Nov 24, 2020
    • VACCOMP CO., LTD.
    • Seok Won Lee
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Liquid ring fluid flow machine
    • Patent number 10,837,443
    • Issue date Nov 17, 2020
    • Nuovo Pignone Tecnologic - SRL
    • Sean Craig Jenkins
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pressurized vapor cycle liquid distillation
    • Patent number 10,765,963
    • Issue date Sep 8, 2020
    • Deka Products Limited Partnership
    • David F. Bednarek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Abatement system
    • Patent number 10,702,824
    • Issue date Jul 7, 2020
    • Edwards Limited
    • Gary Peter Knight
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Impeller-type liquid ring compressor
    • Patent number 10,669,850
    • Issue date Jun 2, 2020
    • Brian Blackwell
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR COMPRESSOR
    • Publication number 20240418168
    • Publication date Dec 19, 2024
    • Foon Seto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SEALING SOFT WATER RECOVERY APPARATUS FOR VACUUM PUMP IN VACUUM PRE...
    • Publication number 20240392786
    • Publication date Nov 28, 2024
    • SHANGHAI LIFENGAS CO., LTD
    • Zhengxiong Zhang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Double-Flow Pump
    • Publication number 20240369066
    • Publication date Nov 7, 2024
    • ITT Bornemann GmbH
    • David Johannes Blatt
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL OF LIQUID RING PUMP
    • Publication number 20240133380
    • Publication date Apr 25, 2024
    • Edwards Technologies Vacuum Engineering (Qingdao) Co Ltd
    • Xin Dai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CONTROL OF OPERATING LIQUID FLOW INTO A LIQUID RING PUMP
    • Publication number 20230332601
    • Publication date Oct 19, 2023
    • EdwardsTechnologies Vacuum Engineering (Qingdao) Co Ltd
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID BLADE PUMP
    • Publication number 20230296095
    • Publication date Sep 21, 2023
    • Edwards Limited
    • Paul David Smith
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID RING PUMP CONTROL
    • Publication number 20230243353
    • Publication date Aug 3, 2023
    • Edwards Technologies Vacuum Engineering (Qingdao) Company Limited
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    SAFETY-REINFORCED WATER-RING VACUUM PUMP INCLUDING BUILT-IN HOGGING...
    • Publication number 20230146497
    • Publication date May 11, 2023
    • Vaccomp Co., Ltd.
    • SEOK WON LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    VALVE ARRANGEMENT
    • Publication number 20230034235
    • Publication date Feb 2, 2023
    • Richard Paul Kelsall
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DISTILLATION APPARATUS
    • Publication number 20230001322
    • Publication date Jan 5, 2023
    • Clean Water Designs Ltd
    • Duncan PETERS
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Pump System and Method for Operating a Pump System
    • Publication number 20220105858
    • Publication date Apr 7, 2022
    • FRIDECO AG
    • Carl Staehle
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SEPARATOR SYSTEM
    • Publication number 20220018347
    • Publication date Jan 20, 2022
    • Edwards Technologies Vacuum Engineering (Qingdao) Co. Ltd.
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water Vapor Distillation Apparatus, Method and System
    • Publication number 20220008837
    • Publication date Jan 13, 2022
    • DEKA Products Limited Partnership
    • Dean Kamen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    A LIQUID RING PUMP MANIFOLD
    • Publication number 20210372402
    • Publication date Dec 2, 2021
    • Edwards Technologies Vacuum Engineering (Qingdao), Co. Ltd.
    • Andries Daniel Jozef DE BOCK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pressurized Vapor Cycle Liquid Distillation
    • Publication number 20210170299
    • Publication date Jun 10, 2021
    • DEKA Products Limited Partnership
    • David F. Bednarek
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    LIQUID RING PUMP MANIFOLD
    • Publication number 20210048027
    • Publication date Feb 18, 2021
    • Edwards Technologies Vacuum Engineering (Qingdao), Co. Ltd.
    • Andries Daniel Jozef DE BOCK
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND APPARATUS RELATED TO SERVICING OF LIQUID RING PUMPS
    • Publication number 20210025390
    • Publication date Jan 28, 2021
    • Edwards Technologies Vacuum Engineering (Qingdao), Co. Ltd.
    • Ganesh Vijapure
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    A LIQUID RING PUMP MANIFOLD
    • Publication number 20210017989
    • Publication date Jan 21, 2021
    • Edwards Technologies Vacuum Engineering (Qingdao) Co. Ltd.
    • Andries Daniel Jozef De Bock
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Air/Oil Separator
    • Publication number 20210016217
    • Publication date Jan 21, 2021
    • Dekker Vacuum Technologies, Inc.
    • Sajid Ali Khan
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Device and Method for Evacuating a Chamber and Purifying the Gas Ex...
    • Publication number 20200408211
    • Publication date Dec 31, 2020
    • Heiner Kösters
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Pressurized Vapor Cycle Liquid Distillation
    • Publication number 20200360832
    • Publication date Nov 19, 2020
    • DEKA Products Limited Partnership
    • David F. Bednarek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    LIQUID-RING COMPRESSOR INCLUDING BYPASS PIPE
    • Publication number 20200217318
    • Publication date Jul 9, 2020
    • Vaccomp Co., Ltd.
    • SEOK WON LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    LIQUID-RING VACUUM PUMP HAVING INTERNAL INSPECTION AND FOREIGN MATT...
    • Publication number 20200200172
    • Publication date Jun 25, 2020
    • Vaccomp Co., Ltd.
    • SEOK WON LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPROVEMENTS IN OR RELATING TO PUMPING LINE ARRANGEMENTS
    • Publication number 20200152485
    • Publication date May 14, 2020
    • Edwards Limited
    • Andrew James SEELEY
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    LIQUID RING VACUUM PUMP
    • Publication number 20200141410
    • Publication date May 7, 2020
    • EBARA CORPORATION
    • Hiroyuki KAWASAKI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Pressurized Vapor Cycle Liquid Distillation
    • Publication number 20190381420
    • Publication date Dec 19, 2019
    • DEKA Products Limited Partnership
    • David F. Bednarek
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    Fluid Transfer Using Devices with Rotatable Housings
    • Publication number 20190368488
    • Publication date Dec 5, 2019
    • DEKA Products Limited Partnership
    • Jason A. Demers
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPONENT-REPLACEABLE WATER RING VACUUM PUMP
    • Publication number 20190063434
    • Publication date Feb 28, 2019
    • Vaccomp Co., Ltd.
    • SEOK WON LEE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    METHOD AND APPARATUS FOR OPERATING A GAS TURBINE USING WET COMBUSTION
    • Publication number 20180334957
    • Publication date Nov 22, 2018
    • FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG e.V.
    • Ralf KRIEGEL
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Water Vapor Distillation Apparatus, Method and System
    • Publication number 20180304169
    • Publication date Oct 25, 2018
    • DEKA Products Limited Partnership
    • Dean Kamen
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE