Robert Hamilton
6Patents
3h-index
6Co-inventors
50Inventor score
Filing activity: May 24, 1984 → Sep 30, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6955233B2 | Roller cone drill bit legs | Chemistry; Metallurgy | 35 | Expired |
| US5306459A | Insert molding method using a crush rib | Performing Operations; Transporting | 14 | Expired |
| US4589635A | Porous plug retainer | Performing Operations; Transporting | 5 | Expired |
| US5890851A | Apparatus for increasing hand drill pressure | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6874388B2 | Method for hardfacing roller cone drill bit legs | Chemistry; Metallurgy | 1 | Expired |
| US7100712B2 | Method for hardfacing roller cone drill bit legs | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.