Inventor · disambiguated record
Ralph L. Hart
Also filed as: HART RALPH · HART RALPH L
3 granted patents·89 citations·filing 1986–1989
71Inventor score
Top patents by PatentIndex Score
3 records- 0185US4730636AValve and tapping tee apparatus and methodPERFECTION CORP·Filed 1986·Granted Mar 15, 1988·55 cites·33 claims
- 0274US4809735AValve and tapping tee apparatus and methodPERFECTION CORP·Filed 1987·Granted Mar 7, 1989·33 cites·14 claims
- 0316US4947018ARetracting rocker unitHARCROSS ENGINEERING BARNSTAPL·Filed 1989·Granted Aug 7, 1990·1 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →