Bernhard Lettmann
19Patents
8h-index
27Co-inventors
72Inventor score
Filing activity: Dec 9, 1994 → Jul 15, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7049370B2 | Non-aqueous coating material which is thermally hardenable or hardenable in a thermal manner and by means of actinic radiation, method for the production and use thereof | Chemistry; Metallurgy | 23 | Expired |
| US6583214B1 | Aqueous coating material that is cured thermally and/or by actinic radiation, and its use | Chemistry; Metallurgy | 21 | Expired |
| US5840372A | Process for the production of a multilayer protective and/or decorative coating on a substrate surface, and aqueous paints suitable for carrying out the process | Chemistry; Metallurgy | 19 | Expired |
| US6162506A | Aqueous coating materials and methods of making and using same | Chemistry; Metallurgy | 18 | Expired |
| US6946515B1 | Coating substance consisting of at least three components, method for producing said coating substance and use thereof | Chemistry; Metallurgy | 12 | Expired |
| US6025031A | Coating agent consisting of at least 3 components | Chemistry; Metallurgy | 11 | Expired |
| US6903145B2 | Method for producing a multicomponent system which can be thermally hardened and hardened by actinic radiation and the use thereof | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7034063B2 | Multi-component system containing solvents, hardenable by thermal and actinic radiation and the use thereof | Chemistry; Metallurgy | 8 | Expired |
| US7037972B2 | Multicomponent system which can be hardened by means of heat and actinic radiation, and use of the same | Chemistry; Metallurgy | 6 | Expired |
| US5503939A | Process for the production of a two-coat finish, and aqueous paints suitable for this process | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6403701B1 | Mixing system for producing water-dilutable coating agents | Chemistry; Metallurgy | 3 | Expired |
| US9889466B2 | Method for coating a metal or plastic substrate, coating that can be obtained therefrom, and coated substrate | Emerging Cross-Sectional Technologies | 3 | Active |
| US7932317B1 | Aqueous coating material and modular system for producing same | Emerging Cross-Sectional Technologies | 3 | Expired |
| US10023684B2 | Universal spot blender for one-component and two-component clearcoatings | Chemistry; Metallurgy | 1 | Active |
| US11958990B2 | Mixer system for producing aqueous coating materials with low VOC | Chemistry; Metallurgy | 1 | Active |
| US7812088B2 | Aqueous multi-constituent coating material, method for the production thereof and use of the same | Chemistry; Metallurgy | 0 | Expired |
| US12234381B2 | Mixing system for producing aqueous coating agents with a low VOC | Chemistry; Metallurgy | 0 | Active |
| US10358520B2 | Polymer in multicoat color and/or effect paint systems | Chemistry; Metallurgy | 0 | Active |
| US7683105B2 | Mixture containing a solvent, which can be cured with UV-A radiation, method for its production, and use thereof | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.