Engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders

Patents Grantslast 30 patents

  • Information Patent Grant

    Parent bore cylinder block of an opposed-piston engine

    • Patent number 12,286,940
    • Issue date Apr 29, 2025
    • Achates Power, Inc.
    • Andrew P. Perr
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Piston ring installation tool

    • Patent number 12,269,148
    • Issue date Apr 8, 2025
    • Cummins Inc.
    • Bradley T. Oswalt
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Multi-fuel engines and related methods

    • Patent number 12,247,514
    • Issue date Mar 11, 2025
    • Enginuity Power Systems, Inc
    • Gregory Powell
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Linear electric device

    • Patent number 12,237,752
    • Issue date Feb 25, 2025
    • HTS LLC
    • Carlos Marcelo Todeschini Hilgert
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cam following system for pursing piston engine

    • Patent number 12,221,920
    • Issue date Feb 11, 2025
    • John Edward Kleindienst
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Epicyclic rotary engine

    • Patent number 12,196,127
    • Issue date Jan 14, 2025
    • Paul Laurent Artigues
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    System and method for deburred port holes in a two-stroke engine

    • Patent number 12,129,810
    • Issue date Oct 29, 2024
    • Cummins Inc.
    • Robert G. Sperry
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Linear electric generator

    • Patent number 12,113,427
    • Issue date Oct 8, 2024
    • YAFA INNOVATIONS LTD.
    • Salih Manasra
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Opposed-piston engine

    • Patent number 12,104,525
    • Issue date Oct 1, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Keita Suzuki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust catalyst light-off in an opposed-piston engine

    • Patent number 12,055,111
    • Issue date Aug 6, 2024
    • Achates Power, Inc.
    • Ahmad Ghazi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Engine

    • Patent number 12,055,116
    • Issue date Aug 6, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Yuki Koshiba
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    System and method for opposed piston barrel engine

    • Patent number 12,000,332
    • Issue date Jun 4, 2024
    • Matthew Jackson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    High-efficiency linear generator

    • Patent number 12,000,331
    • Issue date Jun 4, 2024
    • Mainspring Energy, Inc.
    • Adam Simpson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hybrid drive system with an opposed-piston, internal combustion engine

    • Patent number 11,982,225
    • Issue date May 14, 2024
    • Achates Power, Inc.
    • Fabien G. Redon
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Thermal management of aftertreatment devices of opposed-piston engi...

    • Patent number 11,952,951
    • Issue date Apr 9, 2024
    • Achates Power, Inc.
    • Fabien G. Redon
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydrogen opposed-piston engine

    • Patent number 11,933,215
    • Issue date Mar 19, 2024
    • Achates Power, Inc.
    • Fabien G. Redon
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydrogen-powered opposed-piston engine

    • Patent number 11,898,448
    • Issue date Feb 13, 2024
    • Achates Power, Inc.
    • Fabien G. Redon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Opposed, free-piston engine

    • Patent number 11,879,338
    • Issue date Jan 23, 2024
    • King Abdullah University of Science and Technology
    • James Turner
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cam machine with adjustment mechanism

    • Patent number 11,821,318
    • Issue date Nov 21, 2023
    • Boyan Kirilov Bahnev
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Exhaust catalyst light-off in an opposed-piston engine

    • Patent number 11,815,042
    • Issue date Nov 14, 2023
    • Achates Power, Inc.
    • Ahmad Ghazi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Opposed-piston engine

    • Patent number 11,795,867
    • Issue date Oct 24, 2023
    • Mitsubishi Heavy Industries, Ltd.
    • Masafumi Mori
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Piston for an opposed-piston engine

    • Patent number 11,773,769
    • Issue date Oct 3, 2023
    • Achates Power, Inc.
    • Daniel M. Chown
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Linear combustion engines with valve in piston

    • Patent number 11,692,478
    • Issue date Jul 4, 2023
    • Intelline Inc.
    • Kyle Timothy Faller
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multiple cylinder engine

    • Patent number 11,674,434
    • Issue date Jun 13, 2023
    • Impact Consulting and Engineering LLC
    • Gus Alexander
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Connecting rod assembly

    • Patent number 11,629,751
    • Issue date Apr 18, 2023
    • Achates Power, Inc.
    • John M. Kessler
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal restraining path in a rotor

    • Patent number 11,624,281
    • Issue date Apr 11, 2023
    • Avi Dov Zahavi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Homogeneous charge compression ignition (HCCI-type) combustion syst...

    • Patent number 11,608,771
    • Issue date Mar 21, 2023
    • Mayamaan Research, LLC
    • Yehuda Shmueli
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine with fuel compression chamber cylinders

    • Patent number 11,608,777
    • Issue date Mar 21, 2023
    • John A. Devine
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Internal combustion engine system

    • Patent number 11,598,248
    • Issue date Mar 7, 2023
    • Volvo Truck Corporation
    • Arne Andersson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hybrid drive system with an opposed-piston, internal combustion engine

    • Patent number 11,598,259
    • Issue date Mar 7, 2023
    • Achates Power, Inc.
    • Fabien G. Redon
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    OPPOSED-PISTON INTERNAL COMBUSTION ENGINE

    • Publication number 20250101908
    • Publication date Mar 27, 2025
    • APEX DYNAMICS, SIA
    • Uldis ATMATS
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Dual piston based gensets for vehicle electrification

    • Publication number 20250092819
    • Publication date Mar 20, 2025
    • Xubin Song
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    PARENT BORE CYLINDER BLOCK OF AN OPPOSED-PISTON ENGINE

    • Publication number 20240392734
    • Publication date Nov 28, 2024
    • Achates Power, Inc.
    • ANDREW P. PERR
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HIGH-EFFICIENCY LINEAR GENERATOR

    • Publication number 20240287930
    • Publication date Aug 29, 2024
    • Mainspring Energy, Inc.
    • Adam Simpson
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HYDROGEN OPPOSED-PISTON ENGINE

    • Publication number 20240218826
    • Publication date Jul 4, 2024
    • Achates Power, Inc.
    • Fabien G. Redon
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON WITH A BIAXIAL BEARING FOR AN OPPOSED-PISTON ENGINE

    • Publication number 20240191653
    • Publication date Jun 13, 2024
    • Achates Power, Inc.
    • Isaac B. Thomas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    OPPOSED-PISTON ENGINE

    • Publication number 20240151177
    • Publication date May 9, 2024
    • Mitsubishi Heavy Industries, Ltd.
    • Shintaro SHUTO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    A LINEAR ELECTRIC GENERATOR

    • Publication number 20240146152
    • Publication date May 2, 2024
    • YAFA INNOVATIONS LTD
    • Salih MANASRA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    EXHUAST CATALYST LIGHT-OFF IN AN OPPOSED-PISTON ENGINE

    • Publication number 20240060455
    • Publication date Feb 22, 2024
    • Achates Power, Inc.
    • Ahmad GHAZI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OPTIMAL EFFICIENCY INTERNAL COMBUSTION ENGINE

    • Publication number 20240044284
    • Publication date Feb 8, 2024
    • CREED Engines, LLC
    • GLEN ALTON COLLETT
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SYSTEM AND METHOD FOR DEBURRED PORT HOLES IN A TWO-STROKE ENGINE

    • Publication number 20230399994
    • Publication date Dec 14, 2023
    • Cummins Inc.
    • Robert G. Sperry
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    OPPOSED-PISTON ENGINE

    • Publication number 20230392544
    • Publication date Dec 7, 2023
    • Mitsubishi Heavy Industries, Ltd.
    • Keita SUZUKI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE

    • Publication number 20230383693
    • Publication date Nov 30, 2023
    • Carnot Ltd.
    • Archie WATTS-FARMER
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MULTI-FUEL ENGINES AND RELATED METHODS

    • Publication number 20230349319
    • Publication date Nov 2, 2023
    • Enginuity Power Systems, Inc.
    • Gregory Powell
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MULTI-PART PISTON CONSTRUCTION FOR AN OPPOSED-PISTON ENGINE

    • Publication number 20230340924
    • Publication date Oct 26, 2023
    • Achates Power, Inc.
    • Ryan G. MacKenzie
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Hydrogen Opposed-Piston Engine

    • Publication number 20230265786
    • Publication date Aug 24, 2023
    • Achates Power, Inc.
    • Fabien G. Redon
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SYSTEM AND METHOD FOR OPPOSED PISTON BARREL ENGINE

    • Publication number 20230243297
    • Publication date Aug 3, 2023
    • Matthew Jackson
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HYBRID DRIVE SYSTEM WITH AN OPPOSED-PISTON, INTERNAL COMBUSTION ENGINE

    • Publication number 20230203984
    • Publication date Jun 29, 2023
    • Achates Power, Inc.
    • FABIEN G. REDON
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    HIGH-EFFICIENCY LINEAR GENERATOR

    • Publication number 20230101969
    • Publication date Mar 30, 2023
    • Mainspring Energy, Inc.
    • Adam Simpson
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OPPOSED, FREE-PISTON ENGINE

    • Publication number 20230098581
    • Publication date Mar 30, 2023
    • King Abdullah University of Science and Technology
    • James TURNER
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    LINEAR COMBUSTION ENGINES WITH VALVE IN PISTON

    • Publication number 20230058375
    • Publication date Feb 23, 2023
    • Intelline Inc.
    • Kyle Timothy Faller
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    T-SCAVENGED OPPOSED PISTON ENGINE

    • Publication number 20230044154
    • Publication date Feb 9, 2023
    • Pinnacle Engines, Inc.
    • Clayton Naber
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    PISTON FOR AN OPPOSED-PISTON ENGINE

    • Publication number 20230030878
    • Publication date Feb 2, 2023
    • Achates Power, Inc.
    • Daniel M. Chown
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    HYDROGEN-POWERED OPPOSED-PISTON ENGINE

    • Publication number 20230025982
    • Publication date Jan 26, 2023
    • Achates Power, Inc.
    • Fabien G. Redon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OPPOSED-PISTON ENGINE

    • Publication number 20230014414
    • Publication date Jan 19, 2023
    • Mitsubishi Heavy Industries, Ltd.
    • Masafumi MORI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE

    • Publication number 20230019112
    • Publication date Jan 19, 2023
    • Mitsubishi Heavy Industries, Ltd.
    • Yuki KOSHIBA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    RECPROCATING IC ENGINES WITHIN THERMALLY INSULATING ENCLOSURES

    • Publication number 20230003127
    • Publication date Jan 5, 2023
    • Mitja V Hinderks
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Thermal Management Of Aftertreatment Devices Of Opposed-Piston Engi...

    • Publication number 20220260028
    • Publication date Aug 18, 2022
    • Achates Power, Inc.
    • Fabien G. REDON
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE WITH SLIDER-CRANK MECHANISM

    • Publication number 20220243650
    • Publication date Aug 4, 2022
    • Taras Jurevich GALETSKIJ
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    CAM MACHINE WITH ADJUSTMENT MECHANISM

    • Publication number 20220170370
    • Publication date Jun 2, 2022
    • Boyan Kirilov BAHNEV
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES