of internal-axis type with equidirectional movement of co-operating members at the point of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth- equivalents than the outer member

Patents Grantslast 30 patents

  • Information Patent Grant

    Rotary combustion engine

    • Patent number 12,168,954
    • Issue date Dec 17, 2024
    • USA as rep by the Secretary of the Navy
    • William Gregory Buchanan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pump body assembly and fluid machine

    • Patent number 12,158,139
    • Issue date Dec 3, 2024
    • Gree Electric Appliances, Inc. of Zhuhai
    • Yusheng Hu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Rotor engine side housing and method for producing the same

    • Patent number 12,123,341
    • Issue date Oct 22, 2024
    • Pratt & Whitney Canada Corp.
    • Jérémie Barberger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary pump

    • Patent number 12,065,960
    • Issue date Aug 20, 2024
    • United States of America, as represented by the Secretary of the Navy
    • William Gregory Buchanan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Movement device

    • Patent number 12,006,827
    • Issue date Jun 11, 2024
    • LONATI S.P.A.
    • Giordano Governatori
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary heat pump

    • Patent number 11,988,166
    • Issue date May 21, 2024
    • MARUKO KEIHOKI CO., LTD.
    • Fumio Yuzawa
    • 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

    Rotor for a rotary engine

    • Patent number 11,976,559
    • Issue date May 7, 2024
    • Pratt & Whitney Canada Corp.
    • Jérémie Barberger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine

    • Patent number 11,970,967
    • Issue date Apr 30, 2024
    • Richard Baron
    • 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

    Rotary internal combustion engine

    • Patent number 11,913,374
    • Issue date Feb 27, 2024
    • United States of America, as represented by the Secretary of the Navy Chief o...
    • William Gregory Buchanan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine with single dual-fuel injector

    • Patent number 11,905,836
    • Issue date Feb 20, 2024
    • Pratt & Whitney Canada Corp.
    • Jonathan Brulatout
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fluid transfer apparatus with a plurality of rotor housings arrange...

    • Patent number 11,867,179
    • Issue date Jan 9, 2024
    • Korea Atomic Energy Research Institute
    • Yongkwon Koh
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pistonless rotary motor for air compressor

    • Patent number 11,767,759
    • Issue date Sep 26, 2023
    • Hung-Chih Huang
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Topological rotary engine

    • Patent number 11,713,710
    • Issue date Aug 1, 2023
    • Huazhong University of Science & Technology
    • Jinping Qu
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine

    • Patent number 11,680,520
    • Issue date Jun 20, 2023
    • Richard Baron
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine with housing having silicon carbide plate

    • Patent number 11,613,995
    • Issue date Mar 28, 2023
    • Pratt & Whitney Canada Corp.
    • David Gagnon-Martin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Helical trochoidal rotary machines with offset

    • Patent number 11,608,827
    • Issue date Mar 21, 2023
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Auxiliary power unit with intercooler

    • Patent number 11,584,539
    • Issue date Feb 21, 2023
    • Pratt & Whitney Canada Corp.
    • Richard Ullyott
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane drive rotary combustion engine

    • Patent number 11,585,221
    • Issue date Feb 21, 2023
    • United States of America, as represented by the Secretary of the Navy
    • William Gregory Buchanan
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary machine

    • Patent number 11,506,056
    • Issue date Nov 22, 2022
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Sealing in helical trochoidal rotary machines

    • Patent number 11,499,550
    • Issue date Nov 15, 2022
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Cartiodal rotary machine with two-lobe rotor

    • Patent number 11,492,907
    • Issue date Nov 8, 2022
    • Joseph A. Sbarounis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine rotor with lip and a recess on the flank

    • Patent number 11,459,890
    • Issue date Oct 4, 2022
    • UAV Engines Ltd.
    • Roy Richmond
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine

    • Patent number 11,459,891
    • Issue date Oct 4, 2022
    • LG Electronics Inc.
    • Byeonghun Yu
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Pivot valve for rotary internal combustion engine

    • Patent number 11,421,584
    • Issue date Aug 23, 2022
    • United States of America, as represented by the Secretary of the Navy
    • Vincent J. Vendetti
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Side wall for rotary engine housing

    • Patent number 11,333,068
    • Issue date May 17, 2022
    • Pratt & Whitney Canada Corp.
    • Vincent Savaria
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ROTOR ENGINE SIDE HOUSING AND METHOD FOR PRODUCING THE SAME

    • Publication number 20240337212
    • Publication date Oct 10, 2024
    • Pratt & Whitney Canada Corp.
    • Jérémie Barberger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTOR ASSEMBLY WITH COOLING CHANNELS SEPARATED BY RIBS FOR A ROTARY...

    • Publication number 20240337186
    • Publication date Oct 10, 2024
    • Pratt & Whitney Canada Corp.
    • Jérémie Barberger
    • 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

    AIRCRAFT POWER PLANT WITH DETONATION COMBUSTION TUBE

    • Publication number 20240200510
    • Publication date Jun 20, 2024
    • Pratt & Whitney Canada Corp.
    • Etienne PLAMONDON
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • 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

    Movement Device

    • Publication number 20240151145
    • Publication date May 9, 2024
    • LONATI S.P.A.
    • Giordano GOVERNATORI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY ENGINE ROTOR AND METHOD

    • Publication number 20240141826
    • Publication date May 2, 2024
    • Pratt & Whitney Canada Corp.
    • Etienne Plamondon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Rotary Pump

    • Publication number 20230383691
    • Publication date Nov 30, 2023
    • United States of America, as Represented by the Secretary of the Navy
    • William Gregory BUCHANAN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY HEAT PUMP

    • Publication number 20230279824
    • Publication date Sep 7, 2023
    • MARUKO KEIHOKI CO., LTD.
    • Fumio YUZAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY MACHINE

    • Publication number 20230203950
    • Publication date Jun 29, 2023
    • LUMENIUM LLC
    • William Anderson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines

    • Publication number 20230098259
    • Publication date Mar 30, 2023
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    TOPOLOGICAL ROTARY ENGINE

    • Publication number 20220307413
    • Publication date Sep 29, 2022
    • HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    • Jinping QU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY ENGINE WITH RECIRCULATING ARC ROLLER POWER TRANSFER

    • Publication number 20220290565
    • Publication date Sep 15, 2022
    • LUMENIUM LLC
    • William Anderson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Rotary Machine

    • Publication number 20220136392
    • Publication date May 5, 2022
    • Joseph A. Sbarounis
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SINGLE CHAMBER MULTIPLE INDEPENDENT CONTOUR ROTARY MACHINE

    • Publication number 20220127998
    • Publication date Apr 28, 2022
    • LUMENIUM LLC
    • William LUKACZYK
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Turbine Combustion Engine

    • Publication number 20210381378
    • Publication date Dec 9, 2021
    • Amjad Faroha
    • 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

    Helical Trochoidal Rotary Machines With Offset

    • Publication number 20210189880
    • Publication date Jun 24, 2021
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Rotary Machine With Pressure Relief Mechanism

    • Publication number 20210062655
    • Publication date Mar 4, 2021
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Sealing In Helical Trochoidal Rotary Machines

    • Publication number 20210025392
    • Publication date Jan 28, 2021
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    AN ASYMMETRIC ROTARY ENGINE WITH A 6-PHASE THERMODYNAMIC CYCLE

    • Publication number 20210017901
    • Publication date Jan 21, 2021
    • Libralato Ltd. Pension Plan
    • Ruggero Libralato
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY ENGINE WITH RECIRCULATING ARC ROLLER POWER TRANSFER

    • Publication number 20210010374
    • Publication date Jan 14, 2021
    • LUMENIUM LLC
    • William Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ROTARY ENGINE

    • Publication number 20210003011
    • Publication date Jan 7, 2021
    • LG ELECTRONICS INC.
    • Byeonghun YU
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SURFACE TEXTURE AND GROOVE DESIGNS FOR SLIDING CONTACTS

    • Publication number 20200300091
    • Publication date Sep 24, 2020
    • Northwestern University
    • Qian Wang
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Rotary Engine Rotor

    • Publication number 20200270991
    • Publication date Aug 27, 2020
    • UAV ENGINES LTD.
    • Roy Richmond
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE ASSEMBLY WITH HEAT MANAGEMENT SYSTEM

    • Publication number 20200248648
    • Publication date Aug 6, 2020
    • Pratt & Whitney Canada Corp.
    • Sebastien BERGERON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Helical Trochoidal Rotary Machines With Offset

    • Publication number 20200200008
    • Publication date Jun 25, 2020
    • Rotoliptic Technologies Incorporated
    • Greg John Montie
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COMPOUND ENGINE ASSEMBLY WITH BLEED AIR

    • Publication number 20200200077
    • Publication date Jun 25, 2020
    • Pratt & Whitney Canada Corp.
    • Richard ULLYOTT
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    ROTARY ENGINE WITH HOUSING HAVING SILICON CARBIDE PLATE

    • Publication number 20200200009
    • Publication date Jun 25, 2020
    • Pratt & Whitney Canada Corp.
    • David GAGNON-MARTIN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES