Michael Grill
13Patents
5h-index
7Co-inventors
59Inventor score
Filing activity: Nov 29, 1974 → Mar 20, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4944928A | Process for producing pure magnesium oxide | Chemistry; Metallurgy | 40 | Expired |
| US3980753A | Industrial process of preparing magnesia of high purity | Chemistry; Metallurgy | 14 | Expired |
| US7212905B2 | Method for operating a motor vehicle | Physics | 13 | Expired |
| US3989446A | Method and kiln for calcining finely divided material | Chemistry; Metallurgy | 12 | Expired |
| US4100254A | Industrial process of preparing magnesia of high purity | Chemistry; Metallurgy | 8 | Expired |
| US4255399A | Process for the recovery of magnesium oxide of high purity | Chemistry; Metallurgy | 4 | Expired |
| US5286285A | Finely powdery magnesium hydroxide and a process for preparing thereof | Electricity | 4 | Expired |
| US4075293A | Control system for an absorption column | Performing Operations; Transporting | 4 | Expired |
| US7417532B2 | Method and device for signaling several pieces of information that are relevant for operating a motor vehicle | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US7518492B2 | Method and device for signaling of relevant information for the operation of a motor vehicle | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5344599A | Process for producing sintered magnesia | Chemistry; Metallurgy | 1 | Expired |
| US9541326B2 | Merchandiser including accessible canopy | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8991945B2 | Merchandiser including accessible canopy | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.