Robert D. Duffy
9Patents
8h-index
11Co-inventors
66Inventor score
Filing activity: May 29, 1975 → Aug 14, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6299715A | Urethane adhesive-laminated carpeting | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6171678A | Polyurethane carpet backings with improved tuft bind | Emerging Cross-Sectional Technologies | 27 | Expired |
| US4082703A | Polyurethane prepolymers, rebonded polyurethane foam and methods of forming the same | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5604267A | Process for producing froth polyurethane foam | Emerging Cross-Sectional Technologies | 19 | Expired |
| US4122038A | Catalyst systems containing dimethylamino ether mono-ols for polyurethane foam formation | Chemistry; Metallurgy | 14 | Expired |
| US4049931A | Catalyst systems containing dimethylamino ether mono-ols for polyurethane foam formation | Chemistry; Metallurgy | 14 | Expired |
| US5859081A | Process for producing froth polyurethane foam | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5382602A | Flexible slabstock polyurethane foam formulation for a rapid-cool process | Chemistry; Metallurgy | 8 | Expired |
| US6780895B2 | Polyurethane carpet backings with improved tuft bind | Emerging Cross-Sectional Technologies | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.