Inventor · disambiguated record
Duane L. Johnson
Also filed as: JOHNSON DUANE L · RIPLEY ROBERT L
5 granted patents·1 pending application·215 citations·filing 1978–2005
81Inventor score
Files withUNIV MONTANA STATE2AGRO MANAGEMENT GROUP INC1RES CORP TECHNOLOGIES INC1UNION CARBIDE CORP1
Top patents by PatentIndex Score
6 records- 0192US5304718ACytoplasmic male sterile quinoaRES CORP TECHNOLOGIES INC·Filed 1992·Granted Apr 19, 1994·27 cites·13 claims
- 0290US5888947AVegetable oil lubricants for internal combustion engines and total loss lubricationAGRO MANAGEMENT GROUP INC·Filed 1997·Granted Mar 30, 1999·176 cites·131 claims
- 0366US7901725B2Production of gluten-free food products using timothy grassUNIV MONTANA STATE·Filed 2004·Granted Mar 8, 2011·4 cites·16 claims
- 0449US6531430B1Engines lubricated with vegetable oil lubricantsFiled 2001·Granted Mar 11, 2003·3 cites·14 claims
- 0549US4152138AMethod for separating a mixture of molten oxidized ferrophosphorus and refined ferrophosphorusUNION CARBIDE CORP·Filed 1978·Granted May 1, 1979·5 cites·2 claims
- 0637US2005197260A1Environmentally friendly grease compositionUNIV MONTANA STATE·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →