Inventor · disambiguated record
Walter A. Ledwith, Jr.
Also filed as: LEDWITH JR WALTER A · LEDWITH WALTER A
10 granted patents·5 pending applications·105 citations·filing 1982–2025
86Inventor score
Top patents by PatentIndex Score
15 records- 0195US11828200B2Hydrogen-oxygen fueled powerplant with water and heat recoveryRAYTHEON TECH CORP·Filed 2022·Granted Nov 28, 2023·10 cites·17 claims
- 0286US10161316B2Engine bypass valveUNITED TECHNOLOGIES CORP·Filed 2015·Granted Dec 25, 2018·5 cites·19 claims
- 0380US4483054AMethod for making a drum rotorUNITED TECHNOLOGIES CORP·Filed 1982·Granted Nov 20, 1984·36 cites·2 claims
- 0479US9951721B2Three-stream gas turbine engine architectureUNITED TECHNOLOGIES CORP·Filed 2014·Granted Apr 24, 2018·6 cites·17 claims
- 0574US10119477B2Gas turbine engine with a multi-spool driven fanUNITED TECHNOLOGIES CORP·Filed 2015·Granted Nov 6, 2018·2 cites·17 claims
- 0673US12215608B2Hydrogen-oxygen fueled powerplant with water and heat recoveryRTX CORP·Filed 2023·Granted Feb 4, 2025·0 cites·19 claims
- 0773US2025271142A1Hydrogen liquid oxygen combined cycle engineRTX CORP·Filed 2025·Application pending·0 cites
- 0870US12259134B2Hydrogen liquid oxygen combined cycle engineRAYTHEON TECH CORP·Filed 2023·Granted Mar 25, 2025·0 cites·19 claims
- 0966US5142860AConstant thrust retention turbine temperature limit systemUNITED TECHNOLOGIES CORP·Filed 1990·Granted Sep 1, 1992·46 cites·4 claims
- 1056US11905914B2Liquid hydrogen-liquid oxygen fueled powerplantRAYTHEON TECH CORP·Filed 2022·Granted Feb 20, 2024·0 cites·16 claims
- 1155US2019048796A1Turbine clearance control system and method for improved variable cycle gas turbine engine fuel burnUNITED TECHNOLOGIES CORP·Filed 2018·Application pending·0 cites
- 1247US2017328231A1Turbine clearance control system and method for improved variable cycle gas turbine engine fuel burnUNITED TECHNOLOGIES CORP·Filed 2015·Application pending·0 cites
- 1345US2024026816A1Hydrogen-oxygen gas turbine engineRAYTHEON TECH CORP·Filed 2022·Application pending·0 cites
- 1443US2023258126A1Hydrogen-oxygen fueled powerplant with water and heat recoveryRAYTHEON TECH CORP·Filed 2022·Application pending·0 cites
- 1537US11236639B2Gas turbine engine and an airflow control systemUNITED TECHNOLOGIES CORP·Filed 2015·Granted Feb 1, 2022·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →