Pistons

Patents Grantslast 30 patents

  • Information Patent Grant

    Integrated internal continuous combustion rotary engine

    • Patent number 12,312,960
    • Issue date May 27, 2025
    • Adel Al-Subaih
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine rotor and method

    • Patent number 12,180,884
    • Issue date Dec 31, 2024
    • Pratt & Whitney Canada Corp.
    • Etienne Plamondon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Rotary drive apparatus

    • Patent number 12,158,102
    • Issue date Dec 3, 2024
    • David George Robson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    Gas-powered internal combustion engine

    • Patent number 12,123,340
    • Issue date Oct 22, 2024
    • Sergio Daniel Brusaferri
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine with dual axis rotor rotation

    • Patent number 12,116,925
    • Issue date Oct 15, 2024
    • Dale Warner
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    Rotary airlock combustion engine

    • Patent number 12,078,098
    • Issue date Sep 3, 2024
    • Timothy Smith
    • 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

    Rotating heating chamber apparatus and method of use thereof

    • Patent number 12,044,128
    • Issue date Jul 23, 2024
    • Merton W. Pekrul
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary machine with hub driven transmission articulating a four bar...

    • Patent number 11,927,128
    • Issue date Mar 12, 2024
    • Lumenium LLC
    • William A. Lukaczyk
    • 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

    Assemblies and methods for controlling lubrication for rotary engin...

    • Patent number 11,867,101
    • Issue date Jan 9, 2024
    • Pratt & Whitney Canada Corp.
    • Jean-Philippe Simoneau
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Piston sealing mechanism for a circulating piston engine

    • Patent number 11,814,962
    • Issue date Nov 14, 2023
    • Walter T. Bonin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine, parts thereof, and methods

    • Patent number 11,788,462
    • Issue date Oct 17, 2023
    • ASTRON AEROSPACE LLC
    • Matthew T. Riley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary engine

    • Patent number 11,732,640
    • Issue date Aug 22, 2023
    • Jiangsu University
    • Baowei Fan
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    Air-fuel system for a circulating piston engine

    • Patent number 11,719,187
    • Issue date Aug 8, 2023
    • WB Development Company, LLC
    • Walter T. Bonin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Multi-cylinder rotary engine having triangular cylinder

    • Patent number 11,708,761
    • Issue date Jul 25, 2023
    • Jong Chan Kim
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Oblong-shaped rotor engine having high sealing performance

    • Patent number 11,668,232
    • Issue date Jun 6, 2023
    • Beihang University
    • Chongwen Jiang
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine and method for operating an internal com...

    • Patent number 11,635,018
    • Issue date Apr 25, 2023
    • Felix Thugutt
    • 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
  • 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

    Rotary blade engine

    • Patent number 11,614,030
    • Issue date Mar 28, 2023
    • Akira Ogura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    Multi-injection port rotary engine apparatus and method of use thereof

    • Patent number 11,530,642
    • Issue date Dec 20, 2022
    • Merton W. Pekrul
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary roller motor

    • Patent number 11,466,614
    • Issue date Oct 11, 2022
    • Michael Francis O'Connor
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    Combined Sealing Piece, Volumetric Machine and Wide Fuel Engine

    • Publication number 20250198363
    • Publication date Jun 19, 2025
    • Zhiqiang Ding
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY AIRLOCK COMBUSTION ENGINE

    • Publication number 20250163845
    • Publication date May 22, 2025
    • Timothy Smith
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY MACHINE

    • Publication number 20250146416
    • Publication date May 8, 2025
    • LUMENIUM LLC
    • William LUKACZYK
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY ENGINE

    • Publication number 20250122826
    • Publication date Apr 17, 2025
    • LI Liangui
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY DRIVE APPARATUS

    • Publication number 20250067210
    • Publication date Feb 27, 2025
    • David George ROBSON
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SINE ROTARY ENGINE

    • Publication number 20250059908
    • Publication date Feb 20, 2025
    • Byeong Woo KIM
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY COMBUSTION ENGINE AND ASSOCIATED COMBUSTION METHOD

    • Publication number 20240369013
    • Publication date Nov 7, 2024
    • Lahcene Kerrache
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    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

    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 AIRLOCK COMBUSTION ENGINE

    • Publication number 20230366346
    • Publication date Nov 16, 2023
    • Timothy Smith
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY-PISTON ENGINE

    • Publication number 20230265787
    • Publication date Aug 24, 2023
    • Ramzan GOYTEMIROV
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    ROTARY ENGINE

    • Publication number 20230151762
    • Publication date May 18, 2023
    • Jiangsu University
    • Baowei FAN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    OBLONG-SHAPED ROTOR ENGINE HAVING HIGH SEALING PERFORMANCE

    • Publication number 20230053217
    • Publication date Feb 16, 2023
    • BEIHANG UNIVERSITY
    • Chongwen JIANG
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    AIR-FUEL SYSTEM FOR A CIRCULATING PISTON ENGINE

    • Publication number 20220290629
    • Publication date Sep 15, 2022
    • WB Development Company, LLC
    • Walter T. Bonin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    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

    INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN INTERNAL COM...

    • Publication number 20220112837
    • Publication date Apr 14, 2022
    • Felix THUGUTT
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMBUSTION ENGINE

    • Publication number 20210388758
    • Publication date Dec 16, 2021
    • Manuel Exposito CARBALLADA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY VANE INTERNAL COMBUSTION ENGINE

    • Publication number 20210381425
    • Publication date Dec 9, 2021
    • Anatoli Stanetsky
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HEAVY FUEL ROTARY ENGINE WITH COMPRESSION IGNITION

    • Publication number 20210363912
    • Publication date Nov 25, 2021
    • Rotary Research Group LLC
    • P. Tyson Garvin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Rotary Roller Motor

    • Publication number 20210340902
    • Publication date Nov 4, 2021
    • MICHAEL FRANCIS O'CONNOR
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY INTERNAL COMBUSTION ENGINE WITH SEAL LUBRICATION

    • Publication number 20210231033
    • Publication date Jul 29, 2021
    • Pratt & Whitney Canada Corp.
    • Edwin SCHULZ
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY PISTON ENGINE

    • Publication number 20210164387
    • Publication date Jun 3, 2021
    • Jiangsu University
    • Baowei FAN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Circulating Piston Engine

    • Publication number 20210087970
    • Publication date Mar 25, 2021
    • WB Development Company LLC
    • Walter T. Bonin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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 Roller Motor (RRM)

    • Publication number 20200378300
    • Publication date Dec 3, 2020
    • MICHAEL FRANCIS O'CONNOR
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES