Inventor · Powell, OH, US

Stephen H. Stoldt

19Patents
9h-index
15Co-inventors
69Inventor score

Filing activity: May 7, 1976 → Feb 17, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5730029A Esters derived from vegetable oils used as additives for fuels Emerging Cross-Sectional Technologies 43 Expired
US5336278A Fuel composition containing an aromatic amide detergent Chemistry; Metallurgy 38 Expired
US5458793A Compositions useful as additives for lubricants and liquid fuels Chemistry; Metallurgy 30 Expired
US5407453A Deposit cleaning composition for internal combustion engines Mechanical Engineering; Lighting; Heating 18 Expired
US5376154A Low-sulfur diesel fuels containing organometallic complexes Mechanical Engineering; Lighting; Heating 18 Expired
US5344467A Organometallic complex-antioxidant combinations, and concentrates and diesel fuels containing same Mechanical Engineering; Lighting; Heating 12 Expired
US4673412A Fuel additive comprising a metal compound and an oxime and fuel compositions containing same Chemistry; Metallurgy 12 Expired
US5562742A Copper-containing organometallic complexes and concentrates and diesel fuels containing same Mechanical Engineering; Lighting; Heating 12 Expired
US5340369A Diesel fuels containing organometallic complexes Mechanical Engineering; Lighting; Heating 11 Expired
US5360459A Copper-containing organometallic complexes and concentrates and diesel fuels containing same Mechanical Engineering; Lighting; Heating 8 Expired
US5518510A Low-sulfur diesel fuels containing organo-metallic complexes Mechanical Engineering; Lighting; Heating 7 Expired
US4781730A Fuel additive comprising a hydrocarbon soluble alkali or alkaline earth metal compound and a demulsifier Chemistry; Metallurgy 6 Expired
US4287236A Method of improving the freeze resistance of particulate material at low temperatures Performing Operations; Transporting 5 Expired
US5160350A Fuel compositions Chemistry; Metallurgy 4 Expired
US5534039A Organometallic complex-antioxidant combinations, and concentrates and diesel fuels containing same Mechanical Engineering; Lighting; Heating 4 Expired
US4035530A Method of inhibiting sulfidation and modifying deposits Emerging Cross-Sectional Technologies 2 Expired
US5629448A Alcohol modified process for preparing bis-substituted phenolic amides Chemistry; Metallurgy 1 Expired
US7743615B2 Buffered heat transfer fluid for secondary refrigeration systems comprising a formate salt Chemistry; Metallurgy 1 Active
US5560755A Compositions useful as additives for lubricants and liquid fuels Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.