Inventor · Elmhurst, IL, US

John M. Forgac

19Patents
12h-index
24Co-inventors
78Inventor score

Filing activity: Apr 14, 1980 → Feb 25, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US4637464A In situ retorting of oil shale with pulsed water purge Fixed Constructions 317 Expired
US4457374A Transient response process for detecting in situ retorting conditions Fixed Constructions 273 Expired
US5059303A Oil stabilization Chemistry; Metallurgy 228 Expired
US4552214A Pulsed in situ retorting in an array of oil shale retorts Fixed Constructions 227 Expired
US4532991A Pulsed retorting with continuous shale oil upgrading Fixed Constructions 30 Expired
US5043058A Quenching downstream of an external vapor catalyst separator Chemistry; Metallurgy 23 Expired
US4436344A In situ retorting of oil shale with pulsed combustion Fixed Constructions 18 Expired
US4786368A Static mixer retorting of oil shale Performing Operations; Transporting 17 Expired
US4597852A Static mixer retorting of oil shale Performing Operations; Transporting 16 Expired
US7838056B2 Using carbon dioxide regulators to extend the shelf life of a carbonated beverage Performing Operations; Transporting 14 Active
US4721560A Static mixer retorting of oil shale Performing Operations; Transporting 13 Expired
US5262046A In-line cyclone separator and method of solid/gas separation Chemistry; Metallurgy 12 Expired
US5089235A Catalytic cracking unit with external cyclone and oil quench system Chemistry; Metallurgy 11 Expired
US5087427A Catalytic cracking unit with internal gross cut separator and quench injector Chemistry; Metallurgy 11 Expired
US4326944A Rapid hydropyrolysis of carbonaceous solids Emerging Cross-Sectional Technologies 9 Expired
US5626741A Catalytic cracking with quenching Chemistry; Metallurgy 8 Expired
US5279727A Open-bottomed cyclone with solids separation tube and method Performing Operations; Transporting 4 Expired
US5929255A Process for coproducing fumaric acid and maleic anhydride Chemistry; Metallurgy 2 Expired
US6844418B2 Waste plastic additive for asphalt Chemistry; Metallurgy 1 Expired

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