Inventor · disambiguated record
Leonard J. Hvizdos
Also filed as: FILIPPI RICHARD E · HVIZDOS LEONARD J
4 granted patents·61 citations·filing 1975–1981
76Inventor score
Files withAIR PROD & CHEM4
Top patents by PatentIndex Score
4 records- 0174US4320627AApparatus for recovering natural gas in a mineAIR PROD & CHEM·Filed 1981·Granted Mar 23, 1982·30 cites·2 claims
- 0265US4271676AMethod and apparatus for recovering natural gas in a mineAIR PROD & CHEM·Filed 1979·Granted Jun 9, 1981·22 cites·6 claims
- 0332US4179897AIsentropic expansion of gases via a pelton wheelAIR PROD & CHEM·Filed 1975·Granted Dec 25, 1979·6 cites·6 claims
- 0428US4202678AAir separation liquefaction processAIR PROD & CHEM·Filed 1975·Granted May 13, 1980·3 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →