William E. Gates
21Patents
10h-index
22Co-inventors
75Inventor score
Filing activity: Feb 2, 1977 → Jun 19, 1998
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4489593A | Method and apparatus for determining the amount of gas adsorbed or desorbed from a solid | Physics | 50 | Expired |
| US4194990A | Catalyst and process for the production of chlorofluorinated hydrocarbons | Chemistry; Metallurgy | 39 | Expired |
| US4487213A | Mass flow controller apparatus | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5422327A | Group VIII metal containing tungsten oxide silica modified zirconia as acid catalyst | Performing Operations; Transporting | 27 | Expired |
| US5157199A | Isomerization of paraffins with strong solid acid catalyst and adamantane | Chemistry; Metallurgy | 21 | Expired |
| US5254518A | Group IVB oxide addition to noble metal on rare earth modified silica alumina as hydrocarbon conversion catalyst | Chemistry; Metallurgy | 20 | Expired |
| US5208200A | Noble metal on rare earth modified silica alumina as hydrocarbon conversion catalyst | Chemistry; Metallurgy | 16 | Expired |
| US5648589A | Group VIII metal containing tungsten oxide silica modified zirconia as acid catalyst | Performing Operations; Transporting | 15 | Expired |
| US5489733A | Zirconium hydroxide supported metal and heteropolyacid catalysts | Chemistry; Metallurgy | 12 | Expired |
| US4123389A | Pyrogenic silica or titania or alpha-alumina cuprous chloride catalyst of hydrogen chloride/oxygen reaction | Performing Operations; Transporting | 11 | Expired |
| US5391532A | Zirconium hydroxide supported metal and heteropolyacid catalysts | Chemistry; Metallurgy | 7 | Expired |
| US4639431A | Catalysts in Fischer-Tropsch process for producing olefins | Chemistry; Metallurgy | 7 | Expired |
| US4226812A | Process for producing chlorotrifluoroethylene | Chemistry; Metallurgy | 6 | Expired |
| US5420092A | Silica supported metal and heteropolyacid catalysts | Chemistry; Metallurgy | 6 | Expired |
| US5919725A | Heteropoly salts or acid salts deposited in the interior of porous supports | Performing Operations; Transporting | 5 | Expired |
| US5866739A | Heteropoly salts or acid salts deposited in the interior of porous supports | Chemistry; Metallurgy | 4 | Expired |
| US5137620A | Reforming process using a pretreated catalyst | Chemistry; Metallurgy | 3 | Expired |
| US5457253A | Oxide addition to noble metal on rare earth modified silica alumina as hydrocarbon conversion catalyst | Chemistry; Metallurgy | 3 | Expired |
| US5051384A | Method for pretreating a reforming catalyst | Emerging Cross-Sectional Technologies | 1 | Expired |
| US5248409A | Metal on rare earth modified silica alumina as hydrocarbon conversion catalyst | Chemistry; Metallurgy | 1 | Expired |
| US4088705A | Catalyst and process for the production of chlorofluorinated hydrocarbons | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.