Robert Denton
20Patents
12h-index
25Co-inventors
77Inventor score
Filing activity: Dec 21, 1990 → Oct 20, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5456327A | O-ring seal for rock bit bearings | Emerging Cross-Sectional Technologies | 86 | Expired |
| US8397841B1 | Drill bit with cutting elements having functionally engineered wear surface | Emerging Cross-Sectional Technologies | 34 | Active |
| US6196339A | Dual-seal drill bit pressure communication system | Emerging Cross-Sectional Technologies | 31 | Expired |
| US6123337A | Composite earth boring bit seal | Emerging Cross-Sectional Technologies | 25 | Expired |
| US5323863A | O-ring seal for rock bit bearings | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7235211B2 | Rotary cone bit with functionally-engineered composite inserts | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5842700A | Composite rock bit seal | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5589443A | Rock bit grease composition | Chemistry; Metallurgy | 15 | Expired |
| US6406030B1 | O-ring seal with lubricant additives for rock bit bearings | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5668092A | Rock bit grease composition | Chemistry; Metallurgy | 14 | Expired |
| US6571889B2 | Rotary cone bit with functionally-engineered composite inserts | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6431293B1 | Dual-seal drill bit pressure communication system | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6679342B2 | Dual-seal drill bit pressure communication system | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7625521B2 | Bonding of cutters in drill bits | Performing Operations; Transporting | 8 | Expired |
| US7997358B2 | Bonding of cutters in diamond drill bits | Performing Operations; Transporting | 7 | Active |
| US6695079B2 | Dual-seal drill bit pressure communication system | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5152353A | High speed rock bit | Fixed Constructions | 6 | Expired |
| US7121365B2 | Rock bit with grease composition utilizing polarized graphite | Chemistry; Metallurgy | 5 | Expired |
| US7267183B2 | Drill bit lubricant with enhanced load carrying/anti wear properties | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7229077B2 | Ordered elastomeric composite material | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.