Michael V. Ernest
20Patents
13h-index
13Co-inventors
78Inventor score
Filing activity: Jun 5, 1974 → Jul 31, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4179408A | Process for preparing spheroidal alumina particles | Emerging Cross-Sectional Technologies | 52 | Expired |
| US4780447A | Catalysts for controlling auto exhaust emissions including hydrocarbon, carbon monoxide, nitrogen oxides and hydrogen sulfide and method of making the catalysts | Emerging Cross-Sectional Technologies | 50 | Expired |
| US4390456A | Spheroidal alumina particles and catalysts employing the particles as a support | Chemistry; Metallurgy | 42 | Expired |
| US4170573A | Rare earth and platinum group metal catalyst compositions | Performing Operations; Transporting | 34 | Expired |
| US4476246A | Doubly promoted platinum group metal catalysts for emission control | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4585752A | Catalyst composition for ultra high temperature operation | Performing Operations; Transporting | 33 | Expired |
| US4303552A | Diesel exhaust catalyst | Mechanical Engineering; Lighting; Heating | 33 | Expired |
| US4977129A | Auto exhaust catalyst composition having low H.sub.2 S emissions and method of making the catalyst | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4451441A | Method for exhaust gas treatment | Emerging Cross-Sectional Technologies | 31 | Expired |
| US4591580A | Stabilized and doubly promoted platinum group metal catalysts for emission control and method of making same | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4426320A | Catalyst composition for exhaust gas treatment | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4654319A | Doubly promoted platinum group metal catalysts for emission control and method for making the catalysts | Emerging Cross-Sectional Technologies | 17 | Expired |
| US3932309A | Auto exhaust catalysts prepared from sulfite treated platinum and palladium salt solutions | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5102850A | Catalyst supports having promoter oxide gradient, resulting catalyst and method of making the supports | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4279779A | Spheroidal alumina particles and catalysts employing the particles as a support | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5141912A | Chrome/platinum/palladium catalyst for hydrocarbon emission control | Performing Operations; Transporting | 8 | Expired |
| US6294155A | Abrasive silica compositions and dentifrice compositions prepared therefrom | Human Necessities | 7 | Expired |
| US4513101A | Small bead auto exhaust catalyst | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6585960B2 | Abrasive silica compositions and dentifrice compositions prepared therefrom | Human Necessities | 3 | Expired |
| US6440397B2 | Abrasive silica compositions and dentifrice compositions prepared therefrom | Human Necessities | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.