Bernhard Lehmann
15Patents
7h-index
34Co-inventors
62Inventor score
Filing activity: Dec 22, 1989 → Oct 17, 2003
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6387189B1 | Surface-cleaning method | Chemistry; Metallurgy | 67 | Expired |
| US5119303A | Brake-force control system for vehicles | Performing Operations; Transporting | 15 | Expired |
| US5176041A | Control transmitter | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5931485A | Support arrangement for a steered vehicle wheel | Performing Operations; Transporting | 13 | Expired |
| US5314982A | Process for the preparation of polyurea greases | Chemistry; Metallurgy | 11 | Expired |
| US5372723A | Process for reprocessing oil-in-water emulsions | Chemistry; Metallurgy | 10 | Expired |
| US6649663B1 | Process for preparing monodisperse ion exchangers having chelating functional groups and the use thereof | Chemistry; Metallurgy | 9 | Expired |
| US6329435A | Process for preparing monodisperse, crosslinked bead polymers having thiourea groups and their use for adsorbing metal compounds | Performing Operations; Transporting | 7 | Expired |
| US7077964B2 | Process for preparing monodisperse ion exchangers having chelating functional | Chemistry; Metallurgy | 6 | Expired |
| US6245157A | Use of polyaspartic acids in cleaner formulations with abrasive action | Chemistry; Metallurgy | 4 | Expired |
| US5707531A | Process for breaking oil emulsions | Chemistry; Metallurgy | 4 | Expired |
| US6231680A | Cleaning method using a mixture containing wood chippings and, optionally, polyaspartic acid and/or a derivative of a polyaspartic acid | Chemistry; Metallurgy | 2 | Expired |
| US6161286A | Process for manufacturing a vehicle body shell | Emerging Cross-Sectional Technologies | 1 | Expired |
| US6100319A | Process for improving the plasticity of ceramic composition and for reversing this effect | Chemistry; Metallurgy | 0 | Expired |
| US6468359B2 | Cleaning method | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.