John Francis
10Patents
6h-index
5Co-inventors
59Inventor score
Filing activity: May 25, 1983 → Feb 21, 2007
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4843728A | Saw guide with cut location indicator | Performing Operations; Transporting | 44 | Expired |
| US6806339B2 | Silicone release coating compositions | Chemistry; Metallurgy | 33 | Expired |
| US4607434A | Saw guide with cut location indicator | Performing Operations; Transporting | 29 | Expired |
| US6436219B1 | Polyester film | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4471532A | Direct reading grade rod with a sliding scale | Physics | 15 | Expired |
| US8129293B2 | Impregnated flexible sheet material | Emerging Cross-Sectional Technologies | 7 | Active |
| US7101825B2 | Multilayer film | Performing Operations; Transporting | 6 | Expired |
| US7807240B2 | Opaque polyester film as substrate with white coatings on both sides | Emerging Cross-Sectional Technologies | 4 | Active |
| US4567669A | Blue top setting device | Physics | 2 | Expired |
| US4899454A | Perspective drawing machine | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.