David Bruce Walker
43Patents
14h-index
31Co-inventors
81Inventor score
Filing activity: Apr 30, 1984 → May 29, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD492467S1 | Helical food product | General | 78 | Expired |
| USD688437S1 | Spiral potato piece | General | 51 | Active |
| USD640036S1 | Spiral potato piece | General | 45 | Expired |
| USD723242S1 | Spiral potato piece | General | 23 | Active |
| USD716519S1 | Spiral potato piece | General | 22 | Active |
| USD716520S1 | Spiral potato piece | General | 22 | Active |
| USD766542S1 | Twisted potato piece | General | 22 | Active |
| USD723241S1 | Spiral potato piece | General | 22 | Active |
| USD723243S1 | Spiral potato piece | General | 21 | Active |
| USD716518S1 | Spiral potato piece | General | 21 | Active |
| USD716517S1 | Spiral potato piece | General | 20 | Active |
| USD813491S1 | Conical potato piece | General | 19 | Active |
| USD741041S1 | Portioned frozen product | General | 18 | Active |
| US9089987B2 | Rotary knife fixture for cutting spiral, textured potato pieces | Emerging Cross-Sectional Technologies | 15 | Active |
| US5075769A | Video identification card system | Electricity | 14 | Expired |
| US6895846B2 | Slicing machine with tapered slicing gate | Emerging Cross-Sectional Technologies | 14 | Expired |
| US9943978B2 | System for cutting spiral shaped pieces | Emerging Cross-Sectional Technologies | 13 | Active |
| USD905376S1 | Potato piece | General | 11 | Active |
| US8197187B2 | Inspection hole plug with a ball swivel | Mechanical Engineering; Lighting; Heating | 9 | Active |
| US6764295B2 | Rotary cutter | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4516845A | Security control system and method for identification card cameras | Physics | 7 | Expired |
| US9914232B2 | Rotary knife fixture for cutting spiral, textured potato pieces | Emerging Cross-Sectional Technologies | 7 | Active |
| US9200538B2 | Inspection hole plug with a ball swivel | Mechanical Engineering; Lighting; Heating | 6 | Active |
| USD822320S1 | Twisted potato piece | General | 5 | Active |
| US6928915B2 | Slicing machine with plug prevention device | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.