Patent assignee · US · COMPANY

Chevron Research Company

1,889Patents
0Active
1,889Granted
47Portfolio score

Filing activity: Feb 20, 1969 → Jun 6, 1995

Most-cited patents

PatentTitleAreaCited byStatus
US4627908A Process for stabilizing lube base stocks derived from bright stock Chemistry; Metallurgy 359 Expired
US3986349A Method of power generation via coal gasification and liquid hydrocarbon synthesis Emerging Cross-Sectional Technologies 314 Expired
US4019575A System for recovering viscous petroleum from thick tar sand Fixed Constructions 305 Expired
US4605680A Conversion of synthesis gas to diesel fuel and gasoline Chemistry; Metallurgy 292 Expired
US3994340A Method of recovering viscous petroleum from tar sand Fixed Constructions 278 Expired
US4826667A Zeolite SSZ-25 Chemistry; Metallurgy 269 Expired
US3994341A Recovering viscous petroleum from thick tar sand Fixed Constructions 264 Expired
US4828031A In situ chemical stimulation of diatomite formations Emerging Cross-Sectional Technologies 239 Expired
US4460044A Advancing heated annulus steam drive Fixed Constructions 218 Expired
US4303126A Arrangement of wells for producing subsurface viscous petroleum Fixed Constructions 213 Expired
US4404639A Automotive diagnostic system Physics 212 Expired
US4037658A Method of recovering viscous petroleum from an underground formation Fixed Constructions 200 Expired
USRE30019E Production of hydrocarbons from underground formations General 197 Expired
US4544538A Zeolite SSZ-13 and its method of preparation Performing Operations; Transporting 196 Expired
US4696345A Hasdrive with multiple offset producers Fixed Constructions 179 Expired
US4612132A Modified succinimides Chemistry; Metallurgy 169 Expired
US4060480A Hydrocarbon hydroconversion process employing hydroxy-aluminum stabilized catalysts supports Chemistry; Metallurgy 145 Expired
US4456527A Hydrocarbon conversion process Chemistry; Metallurgy 140 Expired
US4910006A Zeolite SSZ-26 Chemistry; Metallurgy 121 Expired
US4285822A Process for preparing a sulfurized molybdenum-containing composition and lubricating oil containing the composition Chemistry; Metallurgy 116 Expired
US4255211A Multilayer photovoltaic solar cell with semiconductor layer at shorting junction interface Emerging Cross-Sectional Technologies 115 Expired
US3933659A Extended life functional fluid Chemistry; Metallurgy 114 Expired
US4099563A Steam injection system for use in a well Emerging Cross-Sectional Technologies 112 Expired
US4901923A Variable dilution ratio hose-end aspirator sprayer Performing Operations; Transporting 110 Expired
US4265773A Process of preparing molybdenum complexes, the complexes so-produced and lubricants containing same Chemistry; Metallurgy 108 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.