Robert S. Prairie
8Patents
4h-index
12Co-inventors
54Inventor score
Filing activity: Aug 15, 1985 → Aug 3, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4706900A | Retrofitable coiled spring system | Performing Operations; Transporting | 7 | Expired |
| US4759509A | Supermill journal spring system | Performing Operations; Transporting | 7 | Expired |
| US5904307A | Pulverizer apparatus with horizontal axis pivot scraper | Performing Operations; Transporting | 6 | Expired |
| US6024311A | Rotating shaft support assembly for a bowl mill | Performing Operations; Transporting | 6 | Expired |
| US6061908A | Energy-efficient grinding rolls for coal pulverizers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6079648A | Arrangement for securing a vane wheel assembly to a grinding table of a pulverizing bowl mill | Performing Operations; Transporting | 2 | Expired |
| US7845587B2 | Pulverizer upper gearbox bearing assembly | Performing Operations; Transporting | 0 | Active |
| US10668476B2 | Enclosures for vertical pulverizer systems | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.