Don Duncan
8Patents
5h-index
8Co-inventors
56Inventor score
Filing activity: Mar 15, 1983 → Mar 19, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4548746A | Rosin pentaerythritol ester preparation improvement | Chemistry; Metallurgy | 20 | Expired |
| US5192080A | Basketball type game | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4643848A | Modified rosin ester preparation | Chemistry; Metallurgy | 16 | Expired |
| US5123764A | Utility cleaning tool for windshield wiper blades | Performing Operations; Transporting | 8 | Expired |
| US5041709A | Attachment device for electrical discharge machine | Performing Operations; Transporting | 7 | Expired |
| USD279544S | Mud brocading tool | General | 4 | Expired |
| US4507228A | Partial hydrogenation of tall oil rosin | Chemistry; Metallurgy | 1 | Expired |
| US10632408B2 | Removable filter for portable fan | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.