Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type

Patents Grantslast 30 patents

  • Information Patent Grant

    Gas-cycle system for heating or cooling

    • Patent number 11,939,870
    • Issue date Mar 26, 2024
    • Eric Davies
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Aircraft engine with clutch and mechanical lock

    • Patent number 11,613,348
    • Issue date Mar 28, 2023
    • Pratt & Whitney Canada Corp.
    • Stephane Berube
    • 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

    Rotary engine, parts thereof, and methods

    • Patent number 11,384,684
    • Issue date Jul 12, 2022
    • ASTRON AEROSPACE LLC
    • Matthew T. Riley
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compound engine assembly with bleed air

    • Patent number 11,313,273
    • Issue date Apr 26, 2022
    • Pratt & Whitney Canada Corp.
    • Richard Ullyott
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Aircraft engine with clutch and mechanical lock

    • Patent number 11,267,563
    • Issue date Mar 8, 2022
    • Pratt & Whitney Canada Corp.
    • Stephane Berube
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Grant

    Rotary internal combustion engine with unequal volumetric ratios

    • Patent number 11,261,781
    • Issue date Mar 1, 2022
    • Pratt & Whitney Canada Corp.
    • Serge Dussault
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Circulating piston engine

    • Patent number 11,215,112
    • Issue date Jan 4, 2022
    • WB Development Company, LLC
    • Walter T. Bonin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compound engine system with rotary engine

    • Patent number 11,187,146
    • Issue date Nov 30, 2021
    • Pratt & Whitney Canada Corp.
    • Andre Julien
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Composite piston machine combining rotary oscillating and pendular...

    • Patent number 11,143,028
    • Issue date Oct 12, 2021
    • Héctor José Mojico
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary internal combustion engine

    • Patent number 11,085,298
    • Issue date Aug 10, 2021
    • Marlin Harold Thompson
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Roticulating thermodynamic apparatus

    • Patent number 11,085,301
    • Issue date Aug 10, 2021
    • FETU LIMITED
    • Jonathan Fenton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Fixed displacement turbine engine

    • Patent number 11,008,866
    • Issue date May 18, 2021
    • Bret Freeman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Method of manufacturing a rotary engine casing

    • Patent number 10,995,660
    • Issue date May 4, 2021
    • Pratt & Whitney Canada Corp.
    • Bruno Villeneuve
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Roticulating thermodynamic apparatus

    • Patent number 10,989,053
    • Issue date Apr 27, 2021
    • FETU LIMITED
    • Jonathan Fenton
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compound cycle engine

    • Patent number 10,968,824
    • Issue date Apr 6, 2021
    • Pratt & Whitney Canada Corp.
    • Sebastien Bolduc
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary piston and cylinder device

    • Patent number 10,961,849
    • Issue date Mar 30, 2021
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compound cycle engine

    • Patent number 10,920,662
    • Issue date Feb 16, 2021
    • PRATT & WHITNEY CANADA CORP.
    • Jean Thomassin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine intake assembly with selector valve

    • Patent number 10,883,414
    • Issue date Jan 5, 2021
    • Pratt & Whitney Canada Corp.
    • Jean Thomassin
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Split-cycle engine with a variable displacement compressor and a ro...

    • Patent number 10,883,420
    • Issue date Jan 5, 2021
    • Jonathan Avraham Tenenbaum
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Circulating piston engine

    • Patent number 10,876,469
    • Issue date Dec 29, 2020
    • WB Development Company, LLC
    • Walter T. Bonin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary engine, parts thereof, and methods

    • Patent number 10,844,782
    • Issue date Nov 24, 2020
    • ASTRON AEROSPACE LLC
    • Matthew T. Riley
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Toroidal engine

    • Patent number 10,801,401
    • Issue date Oct 13, 2020
    • Constant Velocity Design LLC
    • Kevin M. Mueller
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Compact energy cycle construction utilizing some combination of a s...

    • Patent number 10,774,690
    • Issue date Sep 15, 2020
    • Air Squared, Inc.
    • Robert W. Shaffer
    • F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
  • Information Patent Grant

    Enhanced pressure wave supercharger system and method thereof

    • Patent number 10,724,450
    • Issue date Jul 28, 2020
    • Philip H. Snyder
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable volume chamber device

    • Patent number 10,724,428
    • Issue date Jul 28, 2020
    • QUEST ENGINES, LLC
    • Elario Dino Dalmas
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Auxiliary power unit with intercooler

    • Patent number 10,710,738
    • Issue date Jul 14, 2020
    • Pratt & Whitney Canada Corp.
    • Richard Ullyott
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Rotary internal combustion engine with pilot subchamber

    • Patent number 10,697,365
    • Issue date Jun 30, 2020
    • Pratt & Whitney Canada Corp.
    • Jean Thomassin
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Compound engine assembly with offset turbine shaft, engine shaft an...

    • Patent number 10,677,154
    • Issue date Jun 9, 2020
    • Pratt & Whitney Canada Corp.
    • Sylvain Lamarre
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Rotary piston and cylinder devices

    • Patent number 10,662,775
    • Issue date May 26, 2020
    • LONTRA LIMITED
    • Stephen Francis Lindsey
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    PISTONLESS COMBUSTION FLYWHEEL ENGINE DESIGN FOR LOW FUEL CONSUMPTION

    • Publication number 20230407780
    • Publication date Dec 21, 2023
    • PAUL J. SOO
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY ENGINE, PARTS THEREOF, AND METHODS

    • Publication number 20230092617
    • Publication date Mar 23, 2023
    • ASTRON AEROSPACE LLC
    • Matthew T. RILEY
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GAS-CYCLE SYSTEM FOR HEATING OR COOLING

    • Publication number 20220282623
    • Publication date Sep 8, 2022
    • Davies Eric
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AIRCRAFT ENGINE WITH CLUTCH AND MECHANICAL LOCK

    • Publication number 20220106032
    • Publication date Apr 7, 2022
    • Pratt & Whitney Canada Corp.
    • Stephane BERUBE
    • 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

    Single unit compact Rotary Combustion engine and Electric motor

    • Publication number 20210324790
    • Publication date Oct 21, 2021
    • ARVIND KUMAR
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    COMPOSITE PISTON MACHINE COMBINING ROTARY OSCILLATING AND PENDULAR...

    • Publication number 20210180456
    • Publication date Jun 17, 2021
    • Héctor José Mojico
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Zero Stroke Thrust Vectoring Ignition Chamber Engine

    • Publication number 20210164394
    • Publication date Jun 3, 2021
    • Ravi Shankar Gautam
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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

    Roticulating Thermodynamic Apparatus

    • Publication number 20200408096
    • Publication date Dec 31, 2020
    • FeTu Limited
    • Jonathan FENTON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Roticulating Thermodynamic Apparatus

    • Publication number 20200400023
    • Publication date Dec 24, 2020
    • FeTu Limited
    • Jonathan FENTON
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • 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 INTERNAL COMBUSTION ENGINE WITH UNEQUAL VOLUMETRIC RATIOS

    • Publication number 20200123970
    • Publication date Apr 23, 2020
    • Pratt & Whitney Canada Corp.
    • Serge DUSSAULT
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMPOUND ENGINE SYSTEM WITH ROTARY ENGINE

    • Publication number 20200123971
    • Publication date Apr 23, 2020
    • Pratt & Whitney Canada Corp.
    • Andre JULIEN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ENGINE INTAKE ASSEMBLY WITH SELECTOR VALVE

    • Publication number 20200116076
    • Publication date Apr 16, 2020
    • Pratt & Whitney Canada Corp.
    • Jean THOMASSIN
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE ASSEMBLY WITH MULTIPLE ROTARY ENGINE STACKS

    • Publication number 20200102884
    • Publication date Apr 2, 2020
    • Pratt & Whitney Canada Corp.
    • Mike FONTAINE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY ENGINE CASING

    • Publication number 20200040813
    • Publication date Feb 6, 2020
    • Pratt & Whitney Canada Corp.
    • Bruno VILLENEUVE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    METHODS AND SYSTEMS FOR SEALING ROTATING EQUIPMENT SUCH AS EXPANDER...

    • Publication number 20200011426
    • Publication date Jan 9, 2020
    • Victor Juchymenko
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    COMPOUND CYCLE ENGINE

    • Publication number 20190128177
    • Publication date May 2, 2019
    • Pratt & Whitney Canada Corp.
    • Jean THOMASSIN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMPOUND ENGINE ASSEMBLY WITH OFFSET TURBINE SHAFT, ENGINE SHAFT AN...

    • Publication number 20190112973
    • Publication date Apr 18, 2019
    • Pratt & Whitney Canada Corp.
    • Sylvain LAMARRE
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Fixed Displacement Turbine Engine

    • Publication number 20190093480
    • Publication date Mar 28, 2019
    • Bret Freeman
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY INTERNAL COMBUSTION ENGINE WITH PILOT SUBCHAMBER

    • Publication number 20190055882
    • Publication date Feb 21, 2019
    • Pratt & Whitney Canada Corp.
    • Jean THOMASSIN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMPOUND CYCLE ENGINE

    • Publication number 20190040794
    • Publication date Feb 7, 2019
    • Pratt & Whitney Canada Corp.
    • Sebastien BOLDUC
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE ASSEMBLY FOR AN AUXILIARY POWER UNIT

    • Publication number 20180346142
    • Publication date Dec 6, 2018
    • Pratt & Whitney Canada Corp.
    • Richard ULLYOTT
    • B64 - AIRCRAFT AVIATION COSMONAUTICS
  • Information Patent Application

    ROTARY ENGINE CASING

    • Publication number 20180347457
    • Publication date Dec 6, 2018
    • Pratt & Whitney Canada Corp.
    • Bruno VILLENEUVE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTARY INTERNAL COMBUSTION ENGINE WITH UNEQUAL VOLUMETRIC RATIOS

    • Publication number 20180223728
    • Publication date Aug 9, 2018
    • Pratt & Whitney Canada Corp.
    • Serge DUSSAULT
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Compact Energy Cycle Construction Utilizing Some Combination Of A S...

    • Publication number 20180216498
    • Publication date Aug 2, 2018
    • Robert W. Shaffer
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ENGINE INTAKE ASSEMBLY WITH SELECTOR VALVE

    • Publication number 20180187591
    • Publication date Jul 5, 2018
    • Pratt & Whitney Canada Corp.
    • Jean THOMASSIN
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    COMPOUND ENGINE ASSEMBLY WITH CANTILEVERED COMPRESSOR AND TURBINE

    • Publication number 20180179948
    • Publication date Jun 28, 2018
    • Pratt & Whitney Canada Corp.
    • Sylvain LAMARRE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ROTARY INTERNAL COMBUSTION ENGINE

    • Publication number 20180045110
    • Publication date Feb 15, 2018
    • Pratt & Whitney Canada Corp.
    • Jean THOMASSIN
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...