John R. Budge
22Patents
7h-index
14Co-inventors
66Inventor score
Filing activity: May 14, 1985 → May 1, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5698749A | Catalysts for the hydrogenation of aqueous maleic acid to 1,4-butanediol | Chemistry; Metallurgy | 15 | Expired |
| US4665042A | Catalysts for the conversion of syn gas | Chemistry; Metallurgy | 15 | Expired |
| US5969164A | Catalysts for the hydrogenation of maleic acid to 1,4-butanediol | Chemistry; Metallurgy | 13 | Expired |
| US5072009A | Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone | Chemistry; Metallurgy | 10 | Expired |
| US5196602A | Two-stage maleic anhydride hydrogenation process for 1,4-butanediol synthesis | Chemistry; Metallurgy | 10 | Expired |
| US4965378A | Vapor-phase hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone | Chemistry; Metallurgy | 9 | Expired |
| US4810807A | Hydrogenation of maleic anhydride to tetrahydrofuran | Performing Operations; Transporting | 7 | Expired |
| US5473086A | Process for the hydrogenation of maleic acid to 1,4-butanediol | Chemistry; Metallurgy | 7 | Expired |
| US5055599A | Process for the hydrogenation of maleic anhydride to tetrahydrofuran and gamma-butyrolactone | Chemistry; Metallurgy | 6 | Expired |
| US4681868A | Oxygenate condensation catalyst | Performing Operations; Transporting | 5 | Expired |
| US6486367B1 | Process for the hydrogenation of maleic acid to 1,4-butanediol | Chemistry; Metallurgy | 5 | Expired |
| US9640822B2 | Fuel cell system and desulfurization system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9515338B2 | Fuel cell system and desulfurization system | Emerging Cross-Sectional Technologies | 3 | Active |
| US9034527B2 | Fuel cell system and desulfurization system | Emerging Cross-Sectional Technologies | 3 | Active |
| US4935538A | Oxygenate condensation | Performing Operations; Transporting | 3 | Expired |
| US10267230B2 | Apparatus and method for conditioning a fluid | Chemistry; Metallurgy | 1 | Active |
| US6989455B2 | Two-stage process for the hydrogenation of maleic acid to 1,4-butanediol | Chemistry; Metallurgy | 1 | Expired |
| US10109875B2 | Fuel cell system and desulfurization system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9876244B2 | Systems and methods for steam reforming | Emerging Cross-Sectional Technologies | 0 | Active |
| US10158139B2 | Fuel cell system and desulfurization system | Emerging Cross-Sectional Technologies | 0 | Active |
| US9809453B2 | Catalysts for hydrocarbon reforming | Emerging Cross-Sectional Technologies | 0 | Active |
| US10381669B2 | Steam reformer for in-block fuel cell reforming | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.