Inventor · disambiguated record

Edward J. Steigerwalt

Also filed as: STEIGERWALT EDWARD J

2 granted patents·81 citations·filing 1978–1983

66Inventor score

Technology areasC01B E21B

Files withAIR PROD & CHEM2

Top patents by PatentIndex Score

2 records

0182US4446920AMethod and apparatus for perforating or cutting with a solid fueled gas mixtureAIR PROD & CHEM·Filed 1983·Granted May 8, 1984·63 cites·27 claims
0270US4193976ARemoval of dinitrogen difluoride from nitrogen trifluorideAIR PROD & CHEM·Filed 1978·Granted Mar 18, 1980·18 cites·8 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →