Outer members for co-operation with rotary pistons Casings

Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-chamber configuration for hydraulic vane device

    • Patent number 12,196,085
    • Issue date Jan 14, 2025
    • Mathers Hydraulics Technologies Pty Ltd
    • Norman Ian Mathers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw pump

    • Patent number 12,158,148
    • Issue date Dec 3, 2024
    • NETZSCH Pumpen & Systeme GmbH
    • Eduardo Nuss
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid transfer apparatus

    • Patent number 12,158,149
    • Issue date Dec 3, 2024
    • KOREA ATOMIC ENERGY RESEARCH INSTITUTE
    • Yongkwon Koh
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fretting resistant rotary engine housings

    • Patent number 12,152,490
    • Issue date Nov 26, 2024
    • Pratt & Whitney Canada Corp.
    • Vincent Savaria
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine

    • Patent number 12,146,411
    • Issue date Nov 19, 2024
    • Lumenium LLC
    • William Lukaczyk
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multistage pump body and multistage gas pump

    • Patent number 12,116,895
    • Issue date Oct 15, 2024
    • Ateliers Busch SA
    • Théodore Iltchev
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotational engine with inner and outer rings

    • Patent number 12,098,641
    • Issue date Sep 24, 2024
    • Duplicent, LLC
    • Curren Emmett Krasnoff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Screw spindle pump

    • Patent number 12,078,166
    • Issue date Sep 3, 2024
    • LEISTRITZ PUMPEN GMBH
    • Jürgen Metz
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electric pump including a motor unit and an axially extending attac...

    • Patent number 12,038,006
    • Issue date Jul 16, 2024
    • NIDEC TOSOK CORPORATION
    • Nan Wu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump with a multi-layered bead gasket

    • Patent number 12,031,629
    • Issue date Jul 9, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Uwe Meinig
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Electric pump

    • Patent number 12,025,124
    • Issue date Jul 2, 2024
    • NIDEC TOSOK CORPORATION
    • Nan Wu
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Screw pump or machine with a liner that bends and/or pivots with th...

    • Patent number 12,012,957
    • Issue date Jun 18, 2024
    • CIRCOR PUMPS NORTH AMERICA, LLC
    • Axel Jaeschke
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Displacement pump for fuel vapor recovery

    • Patent number 12,006,828
    • Issue date Jun 11, 2024
    • Tatsuno Corporation
    • Naohiro Kokura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Sealing in helical trochoidal rotary machines

    • Patent number 11,988,208
    • Issue date May 21, 2024
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump-motor unit comprising an integrative housing cover

    • Patent number 11,988,205
    • Issue date May 21, 2024
    • Schwabische Huttenwerke Automotive GmbH
    • Thomas Finsterle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine

    • Patent number 11,920,476
    • Issue date Mar 5, 2024
    • Lumenium LLC
    • William Anderson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pumping assembly, compressor and air conditioning equipment

    • Patent number 11,898,562
    • Issue date Feb 13, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Yusheng Hu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Moving wall positive displacement turbine system

    • Patent number 11,891,948
    • Issue date Feb 6, 2024
    • David Stiles
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary piston and cylinder device with single stator side

    • Patent number 11,859,495
    • Issue date Jan 2, 2024
    • Lontra Limited
    • Stephen Francis Lindsey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Temperature control of a pumped gas flow

    • Patent number 11,841,021
    • Issue date Dec 12, 2023
    • Edwards Limited
    • William Foote
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Rotary pump with discharge control

    • Patent number 11,828,181
    • Issue date Nov 28, 2023
    • Charles H. Tuckey
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multiple stage vacuum pump

    • Patent number 11,821,427
    • Issue date Nov 21, 2023
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Micro-volume dispense pump systems and methods

    • Patent number 11,746,656
    • Issue date Sep 5, 2023
    • DL Technology, LLC
    • Jeffrey P. Fugere
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Rotary engine with recirculating arc roller power transfer

    • Patent number 11,725,515
    • Issue date Aug 15, 2023
    • Lumenium LLC
    • William Anderson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Vaned pump device having fluid pressure chambers located outside th...

    • Patent number 11,713,758
    • Issue date Aug 1, 2023
    • Hitachi Astemo, Ltd.
    • Tetsuya Ishii
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Scroll compressor with wrap having gradually decreasing thickness

    • Patent number 11,668,303
    • Issue date Jun 6, 2023
    • LG Electronics Inc.
    • Jungsun Choi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Semi-rigid stator

    • Patent number 11,655,815
    • Issue date May 23, 2023
    • Roper Pump Company, LLC
    • Trevor Mark Brasselle
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Therapeutic delivery vesicles

    • Patent number 11,649,272
    • Issue date May 16, 2023
    • Evox Therapeutics Ltd
    • Samir El Andaloussi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane pump with tip-end-side guide surfaces provided between inner a...

    • Patent number 11,644,031
    • Issue date May 9, 2023
    • KYB Corporation
    • Yusuke Ohmori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotational engine with inner and outer rings

    • Patent number 11,619,133
    • Issue date Apr 4, 2023
    • Duplicent, LLC
    • Curren Emmett Krasnoff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    SEAL ASSEMBLY FOR A ROTARY ENGINE HOUSING

    • Publication number 20250020061
    • Publication date Jan 16, 2025
    • Pratt & Whitney Canada Corp.
    • Johnny Vinski
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTERNAL GEAR MACHINE

    • Publication number 20240360829
    • Publication date Oct 31, 2024
    • HYDRAULIK NORD TECHNOLOGIES GMBH
    • Artur BOHR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines

    • Publication number 20240280099
    • Publication date Aug 22, 2024
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYDRAULIC PUMP UNIT HAVING KNURLED CONNECTION OF A PILLOW BLOCK TO...

    • Publication number 20240271619
    • Publication date Aug 15, 2024
    • SCHAEFFLER TECHNOLOGIES AG & CO. KG
    • Maximilian Haas
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY MACHINE

    • Publication number 20240191626
    • Publication date Jun 13, 2024
    • LUMENIUM LLC
    • William LUKACZYK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTATIONAL ENGINE WITH INNER AND OUTER RINGS

    • Publication number 20240141789
    • Publication date May 2, 2024
    • Duplicent, LLC
    • Curren Emmett Krasnoff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    UNIAXIAL ECCENTRIC SCREW PUMP

    • Publication number 20240125321
    • Publication date Apr 18, 2024
    • HEISHIN Ltd.
    • Nobuhisa SUHARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Method for Producing a Housing, and Shell Housing and Housing for a...

    • Publication number 20240110480
    • Publication date Apr 4, 2024
    • Knapp e-mobility GmbH
    • Ulrich KNAPP
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    MULTI-CHAMBER CONFIGURATION FOR HYDRAULIC VANE DEVICE

    • Publication number 20230392501
    • Publication date Dec 7, 2023
    • Norman Ian Mathers
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Wankel pump cycle residual boost system

    • Publication number 20230228195
    • Publication date Jul 20, 2023
    • Hung-Chih Huang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    THERAPEUTIC DELIVERY VESICLES

    • Publication number 20230111666
    • Publication date Apr 13, 2023
    • Evox Therapeutics Ltd
    • Samir EL ANDALOUSSI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MULTIPLE STAGE VACUUM PUMP

    • Publication number 20230076739
    • Publication date Mar 9, 2023
    • Edwards Limited
    • Alan Ernest Kinnaird Holbrook
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    DRY VACUUM PUMP

    • Publication number 20230033204
    • Publication date Feb 2, 2023
    • PFEIFFER VACUUM
    • Yann OLIVIER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE MOTOR

    • Publication number 20220290566
    • Publication date Sep 15, 2022
    • EXDL CO., LTD.
    • Won Seok CHOI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MULTISTAGE PUMP BODY AND MULTISTAGE GAS PUMP

    • Publication number 20220127962
    • Publication date Apr 28, 2022
    • ATELIERS BUSCH SA
    • Théodore Iltchev
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY PUMP WITH DISCHARGE CONTROL

    • Publication number 20220112808
    • Publication date Apr 14, 2022
    • CHARLES H. TUCKEY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP

    • Publication number 20220112807
    • Publication date Apr 14, 2022
    • JTEKT CORPORATION
    • Yuji TAKAHASHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP AND METHOD FOR THE OPERATION THEREOF

    • Publication number 20220106958
    • Publication date Apr 7, 2022
    • HANON SYSTEMS EFP DEUTSCHLAND GMBH
    • Dirk BORCHERS
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTATIONAL ENGINE

    • Publication number 20220018255
    • Publication date Jan 20, 2022
    • Duplicent, LLC
    • Curren Emmett Krasnoff
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    MULTI-CHAMBER IMPELLER PUMP

    • Publication number 20210404465
    • Publication date Dec 30, 2021
    • LeimbachCausey, LLC
    • Matthew August LEIMBACH
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    ROTARY-VANE MECHANISM FOR ENGINES AND COMPRESSORS

    • Publication number 20210396231
    • Publication date Dec 23, 2021
    • Vladimir Shapovalov
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PUMP APPARATUS

    • Publication number 20210324854
    • Publication date Oct 21, 2021
    • Hitachi Astemo, Ltd.
    • Jun SOEDA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TWO-PIECE SUCTION FITTING

    • Publication number 20210317831
    • Publication date Oct 14, 2021
    • Bitzer Kuehlmaschinenbau GmbH
    • Ronald J. Duppert
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SCROLL TYPE EXPANDER

    • Publication number 20210254466
    • Publication date Aug 19, 2021
    • SANDEN AUTOMOTIVE COMPONENTS CORPORATION
    • Shinji NAKAMURA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Helical Trochoidal Rotary Machines

    • Publication number 20210199011
    • Publication date Jul 1, 2021
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SEMI-RIGID STATOR

    • Publication number 20210180593
    • Publication date Jun 17, 2021
    • ROPER PUMP COMPANY
    • Trevor Mark Brasselle
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Stator Compound Having an Azide Cured Elastomeric Base and Stators...

    • Publication number 20210171724
    • Publication date Jun 10, 2021
    • PV Fluid Products, Inc.
    • Stefan Butuc
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYBRID CORE PROGRESSIVE CAVITY PUMP

    • Publication number 20210102464
    • Publication date Apr 8, 2021
    • DRECO ENERGY SERVICES ULC
    • Ross Edward Brice
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CARTRIDGE VANE PUMP AND PUMP DEVICE

    • Publication number 20210095664
    • Publication date Apr 1, 2021
    • KYB Corporation
    • Masamichi SUGIHARA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VANE PUMP

    • Publication number 20210062810
    • Publication date Mar 4, 2021
    • DENSO CORPORATION
    • Keiichirou ISHIHARA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES