Inventor · disambiguated record
Francois Pierrard
Also filed as: PIERRARD FRANCOIS
3 granted patents·67 citations·filing 1974–1977
72Inventor score
Technology areasC21D
Files withAIR LIQUIDE3
Top patents by PatentIndex Score
3 records- 0185US4035203AMethod for the heat-treatment of steel and for the control of said treatmentAIR LIQUIDE·Filed 1974·Granted Jul 12, 1977·37 cites·4 claims
- 0280US4108693AMethod for the heat-treatment of steel and for the control of said treatmentAIR LIQUIDE·Filed 1977·Granted Aug 22, 1978·24 cites·7 claims
- 0344US4211584AMethods of heat-treating steelAIR LIQUIDE·Filed 1977·Granted Jul 8, 1980·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →