Inventor · disambiguated record
Horst Appelmann
Also filed as: APPELMANN HORST · APPELMANN HORST J
4 granted patents·59 citations·filing 1979–1992
77Inventor score
Top patents by PatentIndex Score
4 records- 0156US5309676ABalanced door closing apparatusC J RUSH A DIVISION OF DERLAN·Filed 1992·Granted May 10, 1994·30 cites·10 claims
- 0239US4800679AQuarter point return mechanism for manually operated revolving doorsC J RUSH INC·Filed 1987·Granted Jan 31, 1989·11 cites·7 claims
- 0336US4872285AQuarter point return mechanism for manually operated revolving doorsC J RUSH INC·Filed 1988·Granted Oct 10, 1989·10 cites·9 claims
- 0432US4332108ACollapsible revolving doorC J RUSH LIMITED·Filed 1979·Granted Jun 1, 1982·8 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →