Charles Hamilton
8Patents
6h-index
3Co-inventors
56Inventor score
Filing activity: Nov 6, 1995 → Oct 16, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5580319A | Miniature golf course maze | Human Necessities | 92 | Expired |
| US6619413B2 | Flightless rock auger for use with pressure drills with quick attachment and method of use | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6494276B1 | Rock auger with pilot drill | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6129163A | Flightless rock auger with quick attachment and method of use | Emerging Cross-Sectional Technologies | 16 | Expired |
| US7131506B2 | Flightless rock auger for use with pressure drills with quick attachment and method of use | Emerging Cross-Sectional Technologies | 12 | Expired |
| USD441380S | Rock drill bit | General | 8 | Expired |
| USD457535S1 | Rock drill bit | General | 6 | Expired |
| US10640679B2 | CMP compositions selective for oxide and nitride with improved dishing and pattern selectivity | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.