V. Robert Canfield
7Patents
7h-index
7Co-inventors
56Inventor score
Filing activity: May 16, 1979 → Jul 1, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7172678B2 | Process of making composite sheet material | Emerging Cross-Sectional Technologies | 22 | Expired |
| US4233353A | High-strength built-up roofing using improved glass fiber mats | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7928023B2 | Composite sheet material and process of making | Emerging Cross-Sectional Technologies | 21 | Active |
| US4430158A | Method of improving the wet tensile strength of glass fiber mats | Textiles; Paper | 19 | Expired |
| US4242404A | High-strength glass fiber mat particularly useful for roofing products | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4567079A | High-strength built-up roofing using improved ply sheets | Emerging Cross-Sectional Technologies | 14 | Expired |
| US4200487A | Economical method of making high-strength glass fiber mats particularly useful for roofing products | Textiles; Paper | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.