Inventor · disambiguated record
Mark C. Couvillion
Also filed as: COUVILLION MARK · COUVILLION MARK C
4 granted patents·191 citations·filing 1983–2018
80Inventor score
Top patents by PatentIndex Score
4 records- 0193US4440956ASelective hydrogenation of acetylenes in the presence of butadiene and catalyst used in the hydrogenationDOW CHEMICAL CO·Filed 1983·Granted Apr 3, 1984·114 cites·6 claims
- 0292US4493906ACatalyst for the selective hydrogenation of acetylenesDOW CHEMICAL CO·Filed 1983·Granted Jan 15, 1985·58 cites·3 claims
- 0350US4958527ASample valve assembly for on-line sampling of granular materialsDOW CHEMICAL CO·Filed 1989·Granted Sep 25, 1990·15 cites·10 claims
- 0440USD873706SGardening potCOUVILLION MARK·Filed 2018·Granted Jan 28, 2020·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →