Individual holder
OBENCHAIN RICHARD F
4 granted patents·44 citations·filing 1974–1980
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
4 records- 0182US3953196AProcess for the direct reduction of metal oxidesOBENCHAIN RICHARD F·Filed 1974·Granted Apr 27, 1976·30 cites·12 claims
- 0265US4327241AExplosion venting means for metallurgical furnaceOBENCHAIN RICHARD F·Filed 1980·Granted Apr 27, 1982·11 cites·11 claims
- 0336US4009870AMetallurgical shaft furnaceOBENCHAIN RICHARD F·Filed 1976·Granted Mar 1, 1977·3 cites·16 claims
- 0424US4009871AMetallurgical furnaceOBENCHAIN RICHARD F·Filed 1976·Granted Mar 1, 1977·0 cites·6 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →