Inventor · disambiguated record
Leslie D. Rikker
Also filed as: RIKKER LESLIE D
8 granted patents·128 citations·filing 1976–1990
87Inventor score
Top patents by PatentIndex Score
8 records- 0192US4177952AImpact scrubberNAT ENGINEERING·Filed 1978·Granted Dec 11, 1979·39 cites·32 claims
- 0287US4190369AMethod and apparatus for making moldsNAT ENGINEERING·Filed 1978·Granted Feb 26, 1980·25 cites·16 claims
- 0383US4121646AMethod and apparatus for making moldsNAT ENG CO·Filed 1976·Granted Oct 24, 1978·19 cites·62 claims
- 0478US4947923AMethod and apparatus for evaporative pattern castingRIKKER LESLIE D·Filed 1988·Granted Aug 14, 1990·17 cites·95 claims
- 0567US4368984AMixer apparatusNAT ENG CO·Filed 1977·Granted Jan 18, 1983·11 cites·24 claims
- 0643US5062470AMethod and apparatus for treating gaseous material from evaporative pattern castingRIKKER LESLIE D·Filed 1990·Granted Nov 5, 1991·11 cites·10 claims
- 0738US4651798AMolding medium, method for making same and evaporative pattern casting processRIKKER LESLIE D·Filed 1984·Granted Mar 24, 1987·6 cites·10 claims
- 0827US5012857AMolding medium, method for making same and evaporative pattern casting processRIKKER LESLIE D·Filed 1986·Granted May 7, 1991·0 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →