Werner Lenhard
17Patents
8h-index
28Co-inventors
64Inventor score
Filing activity: Dec 21, 1993 → Dec 14, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5552496A | Aqueous polyurethane resin dispersion, processes for its preparation, and its use in aqueous coating compositions | Chemistry; Metallurgy | 31 | Expired |
| US5569705A | Aqueous dispersion of polyurethane resins, the production thereof and polyurethane macromers suitable for this purpose, as well as their use in aqueous coating agents | Chemistry; Metallurgy | 23 | Expired |
| US5760123A | Aqueous dispersion of polyurethanes containing siloxane linkages, production thereof and use in coating compositions | Chemistry; Metallurgy | 20 | Expired |
| US5439710A | Method of producing multilayer coatings, more particularly for lacquering of motor vehicles, having good adhesion between layers | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5906864A | Aqueous coating composition and its use to produce filler coats | Chemistry; Metallurgy | 11 | Expired |
| US5932282A | Process for producing a repair coating | Performing Operations; Transporting | 10 | Expired |
| US6472026B1 | Method for multi-layered coating of substrates | Chemistry; Metallurgy | 9 | Expired |
| US6008314A | Aminourethane hardeners, epoxide-based coating media and the use thereof | Chemistry; Metallurgy | 8 | Expired |
| US5721018A | Method for producing multilayer coatings | Performing Operations; Transporting | 7 | Expired |
| US6534130B1 | Method for multi-layered coating of substrates | Performing Operations; Transporting | 7 | Expired |
| US5681622A | Process for producing decorative multiple-layer coatings | Chemistry; Metallurgy | 7 | Expired |
| US6531188B1 | Method for multi-layered coating of substrates | Performing Operations; Transporting | 6 | Expired |
| US6743466B2 | Process for repairing coated substrate surfaces | Performing Operations; Transporting | 5 | Expired |
| US6506458B1 | Method for coating motor vehicle bodies or parts thereof | Performing Operations; Transporting | 4 | Expired |
| US6432491B1 | Method for producing multi-layer paint coatings | Performing Operations; Transporting | 3 | Expired |
| US5886085A | Aqueous coating media and their use in single-layer and multi-layer coating processes | Chemistry; Metallurgy | 2 | Expired |
| US6958171B2 | Process for repairing coated substrate surfaces | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.