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Walter A. Ledwith

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  • North Palm Beach, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid hydrogen-liquid oxygen fueled powerplant
    • Patent number 11,905,914
    • Issue date Feb 20, 2024
    • RTX Corporation
    • Walter A. Ledwith
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydrogen-oxygen fueled powerplant with water and heat recovery
    • Patent number 11,828,200
    • Issue date Nov 28, 2023
    • Raytheon Technologies Corporation
    • Neil J. Terwilliger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydrogen-oxygen fueled powerplant with water and heat recovery
    • Patent number 11,725,544
    • Issue date Aug 15, 2023
    • Raytheon Technologies Corporation
    • Neil J. Terwilliger
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas turbine engine and an airflow control system
    • Patent number 11,236,639
    • Issue date Feb 1, 2022
    • Raytheon Technologies Corporation
    • Christopher J. Hanlon
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Engine bypass valve
    • Patent number 10,161,316
    • Issue date Dec 25, 2018
    • United Technologies Corporation
    • Daniel B. Kupratis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas turbine engine with a multi-spool driven fan
    • Patent number 10,119,477
    • Issue date Nov 6, 2018
    • United Technologies Corporation
    • Christopher J. Hanlon
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Three-stream gas turbine engine architecture
    • Patent number 9,951,721
    • Issue date Apr 24, 2018
    • United Technologies Corporation
    • Daniel Bernard Kupratis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Constant thrust retention turbine temperature limit system
    • Patent number 5,142,860
    • Issue date Sep 1, 1992
    • United Technologies Corporation
    • Mark A. Strange
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Method for making a drum rotor
    • Patent number 4,483,054
    • Issue date Nov 20, 1984
    • United Technologies Corporation
    • Walter A. Ledwith
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents