Engines characterised by positive ignition

Patents Grantslast 30 patents

  • Information Patent Grant

    Use of ultrasound and acoustics to control crystallisation

    • Patent number 12,268,995
    • Issue date Apr 8, 2025
    • LEWTAS SCIENCE & TECHNOLOGIES LTD
    • Megan Povey
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Rotary engine, parts thereof, and methods

    • Patent number 12,270,331
    • Issue date Apr 8, 2025
    • ASTRON AEROSPACE LLC
    • Matthew T. Riley
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine and cooling systems thereof

    • Patent number 12,264,616
    • Issue date Apr 1, 2025
    • Pratt & Whitney Canada Corp.
    • Michel Bousquet
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Seal assembly for a rotary engine housing

    • Patent number 12,252,991
    • Issue date Mar 18, 2025
    • Pratt & Whitney Canada Corp.
    • Johnny Vinski
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engine and cylinder block

    • Patent number 12,241,405
    • Issue date Mar 4, 2025
    • Isuzu Motors Limited
    • Yasuhiro Ishikawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine with fluid injection cooling

    • Patent number 12,234,765
    • Issue date Feb 25, 2025
    • Pratt & Whitney Canada Corp.
    • Etienne Plamondon
    • 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

    Vehicle driving apparatus

    • Patent number 12,214,666
    • Issue date Feb 4, 2025
    • Mazda Motor Corporation
    • Isao Toda
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Housing assembly for rotary engine

    • Patent number 12,203,410
    • Issue date Jan 21, 2025
    • Pratt & Whitney Canada Corp.
    • Jeremie Barberger
    • 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

    Rotary engine with seal having elastomeric and metallic members

    • Patent number 12,196,154
    • Issue date Jan 14, 2025
    • Pratt & Whitney Canada Corp.
    • Stephane Berube
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    Rotor assembly with cooling channels separated by ribs for a rotary...

    • Patent number 12,180,838
    • Issue date Dec 31, 2024
    • Pratt & Whitney Canada Corp.
    • Jérémie Barberger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Socket assembly for engaging a nut

    • Patent number 12,172,268
    • Issue date Dec 24, 2024
    • Pratt & Whitney Canada Corp.
    • Johnny Vinski
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Prechamber ignited engine and operating methods therefor

    • Patent number 12,168,952
    • Issue date Dec 17, 2024
    • Caterpillar Inc.
    • Charlie Chang-Won Kim
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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 engine, parts thereof, and methods

    • Patent number 12,163,461
    • Issue date Dec 10, 2024
    • ASTRON AEROSPACE LLC
    • Matthew T. Riley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal combustion engine with monolithic pilot chamber structure

    • Patent number 12,163,462
    • Issue date Dec 10, 2024
    • Pratt & Whitney Canada Corp.
    • Jeremie Barberger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Aircraft power plant

    • Patent number 12,157,578
    • Issue date Dec 3, 2024
    • Pratt & Whitney Canada Corp.
    • Serge Dussault
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Internal continuous combustion rotary engine

    • Patent number 12,158,101
    • Issue date Dec 3, 2024
    • Adel Al-Subaih
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    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

    Cooling flow injection to alter exhaust boundary conditions in a tu...

    • Patent number 12,158,103
    • Issue date Dec 3, 2024
    • Pratt & Whitney Canada Corp.
    • Sid-Ali Meslioui
    • 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

    Explosion safe electrolysis unit

    • Patent number 12,129,786
    • Issue date Oct 29, 2024
    • Evan Charles Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Internal combustion engine with coated ignition system component(s)

    • Patent number 12,123,343
    • Issue date Oct 22, 2024
    • Pratt & Whitney Canada Corp.
    • Vincent Savaria
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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 engine shim design for floating side plates

    • Patent number 12,123,370
    • Issue date Oct 22, 2024
    • Pratt & Whitney Canada Corp.
    • Jean-Philippe Simoneau
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

Patents Applicationslast 30 patents

  • Information Patent Application

    METHOD OF ASSEMBLING PARTS WITH DIFFERENT COEFFICIENTS OF THERMAL E...

    • Publication number 20250100092
    • Publication date Mar 27, 2025
    • Pratt & Whitney Canada Corp.
    • Dave BROSSEAU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    INTERNAL COMBUSTION ENGINE WITH MONOLITHIC PILOT CHAMBER STRUCTURE

    • Publication number 20250101907
    • Publication date Mar 27, 2025
    • Pratt & Whitney Canada Corp.
    • Jeremie Barberger
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE ASSEMBLY FOR AN AIRCRAFT PROPULSION SYSTEM

    • Publication number 20250084796
    • Publication date Mar 13, 2025
    • Pratt & Whitney Canada Corp.
    • Jean Thomassin
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ROTARY ENGINE AND COOLING SYSTEMS THEREOF

    • Publication number 20250084783
    • Publication date Mar 13, 2025
    • Pratt & Whitney Canada Corp.
    • Michel BOUSQUET
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FRETTING RESISTANT ROTARY ENGINE HOUSINGS

    • Publication number 20250075622
    • Publication date Mar 6, 2025
    • Pratt & Whitney Canada Corp.
    • Vincent Savaria
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SOCKET ASSEMBLY FOR ENGAGING A NUT

    • Publication number 20250073859
    • Publication date Mar 6, 2025
    • Pratt & Whitney Canada Corp.
    • Johnny VINSKI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    AIRCRAFT POWER PLANT

    • Publication number 20250051017
    • Publication date Feb 13, 2025
    • Pratt & Whitney Canada Corp.
    • Serge DUSSAULT
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HYBRID COMBUSTION-ELECTRIC GENERATOR

    • Publication number 20250035034
    • Publication date Jan 30, 2025
    • Chance Mata
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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

    HOUSING ASSEMBLY FOR ROTARY ENGINE

    • Publication number 20250020076
    • Publication date Jan 16, 2025
    • Pratt & Whitney Canada Corp.
    • Jeremie BARBERGER
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY ENGINE WITH SEAL HAVING ELASTOMERIC AND METALLIC MEMBERS

    • Publication number 20240401545
    • Publication date Dec 5, 2024
    • Pratt & Whitney Canada Corp.
    • Stephane BERUBE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Finite-Time Energy Conversion in a Hybrid Cycle Combining Electroch...

    • Publication number 20240401517
    • Publication date Dec 5, 2024
    • Technion Research & Development Foundation Limited
    • David Diskin
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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 ENGINE, PARTS THEREOF, AND METHODS

    • Publication number 20240344480
    • Publication date Oct 17, 2024
    • ASTRON AEROSPACE LLC
    • Matthew T. RILEY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    POWER GENERATION AND METHODS REGARDING SAME

    • Publication number 20240344481
    • Publication date Oct 17, 2024
    • Brilliant Light Power, Inc.
    • Randell L. Mills
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    Split Cycle Engine

    • Publication number 20240344478
    • Publication date Oct 17, 2024
    • Dolphin N2 Limited
    • Richard Osborne
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY PISTON INTERNAL COMBUSTION ENGINE

    • Publication number 20240344470
    • Publication date Oct 17, 2024
    • Winkelmann Wankel GmbH
    • Wolfgang Baier
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    INTERNAL COMBUSTION ENGINE AND CYLINDER BLOCK

    • Publication number 20240328344
    • Publication date Oct 3, 2024
    • Isuzu Motors Limited
    • Yasuhiro ISHIKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY ENGINE WITH SEAL HAVING ELASTOMERIC MEMBER AND SHIELD

    • Publication number 20240318611
    • Publication date Sep 26, 2024
    • Pratt & Whitney Canada Corp.
    • Michel BOUSQUET
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Explosion Safe Electrolysis Unit

    • Publication number 20240309801
    • Publication date Sep 19, 2024
    • HyTech Power, LLC
    • Evan Charles Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ROTARY ENGINE SHIM DESIGN FOR FLOATING SIDE PLATES

    • Publication number 20240301839
    • Publication date Sep 12, 2024
    • Pratt & Whitney Canada Corp.
    • Jean-Philippe Simoneau
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Ultra Low Enhancement Gas Injection

    • Publication number 20240301815
    • Publication date Sep 12, 2024
    • HyTech Power, LLC
    • Evan Charles Johnson
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    ROTARY COMBUSTION ENGINE WITH INTEGRATED MULTISTAGE FUEL SYSTEM

    • Publication number 20240271560
    • Publication date Aug 15, 2024
    • William Todd Hodges
    • 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

    FUEL AGNOSTIC COMPRESSION IGNITION ENGINE

    • Publication number 20240191649
    • Publication date Jun 13, 2024
    • ClearFlame Engines, Inc.
    • Julie BLUMREITER
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SOCKET ASSEMBLY FOR ENGAGING A NUT

    • Publication number 20240181607
    • Publication date Jun 6, 2024
    • Pratt & Whitney Canada Corp.
    • Johnny VINSKI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS