Inventor · disambiguated record
Ralph P. Semmerling
Also filed as: SEMMERLING RALPH P
6 granted patents·218 citations·filing 1975–1986
86Inventor score
Top patents by PatentIndex Score
6 records- 0192US4464074AConnector and web stiffenerUNITED STATES GYPSUM CO·Filed 1981·Granted Aug 7, 1984·85 cites·5 claims
- 0289US3998419ASwivel type hanger bracketUNITED STATES GYPSUM CO·Filed 1975·Granted Dec 21, 1976·69 cites·1 claims
- 0375US4608801AFloor bracing member for a ceramic tile floorUNITED STATES GYPSUM CO·Filed 1984·Granted Sep 2, 1986·37 cites·10 claims
- 0447US4730424ARooftop walkwayGREEN WILLIAM J·Filed 1986·Granted Mar 15, 1988·14 cites·5 claims
- 0534US4689927AWalkway for a sloping rooftopUSG IND INC·Filed 1986·Granted Sep 1, 1987·9 cites·4 claims
- 0631US3973302AClip for attaching header to I-beamUNITED STATES GYPSUM CO·Filed 1975·Granted Aug 10, 1976·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →