Werner Wiegmann
8Patents
3h-index
21Co-inventors
53Inventor score
Filing activity: Sep 23, 1997 → Sep 22, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5880168A | Open-celled rigid foams based on isocyanate | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5895792A | Production of rigid polyurethane foams | Chemistry; Metallurgy | 9 | Expired |
| US6274642A | Storage-stable, blowing agent-containing emulsions for producing rigid foams based on isocyanate | Chemistry; Metallurgy | 4 | Expired |
| US5916480A | Storage-stable emulsions for producing fine-celled rigid foams based on isocyanate | Chemistry; Metallurgy | 3 | Expired |
| US10988593B2 | Composition that is suitable for producing polyurethane foams and that contains at least one nucleating agent | Chemistry; Metallurgy | 1 | Active |
| US10336040B2 | Method for manufacturing a composite element for vacuum insulation elements | Emerging Cross-Sectional Technologies | 0 | Active |
| US9657133B2 | Rigid polyurethane foams | Chemistry; Metallurgy | 0 | Active |
| US6040349A | Production of rigid polyurethanes foams with reduced density | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.