Inventor · disambiguated record
William E. Engelhard
Also filed as: ENGELHARD WILLIAM E
3 granted patents·37 citations·filing 1975–1978
70Inventor score
Technology areasC21D
Files withOWEGO HEAT TREAT INC3
Top patents by PatentIndex Score
3 records- 0174US3972751AMethod of heat treating ferrous workpiecesOWEGO HEAT TREAT INC·Filed 1975·Granted Aug 3, 1976·19 cites·40 claims
- 0259US4189129AApparatus for protecting parts in heating and cooling processing cycles thereofOWEGO HEAT TREAT INC·Filed 1978·Granted Feb 19, 1980·11 cites·4 claims
- 0347US4055333AApparatus for heat treating workOWEGO HEAT TREAT INC·Filed 1976·Granted Oct 25, 1977·7 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →