Robert Lehmann
8Patents
4h-index
12Co-inventors
54Inventor score
Filing activity: Jul 1, 1988 → Dec 12, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4941778A | Method and apparatus for measuring and regulating the flow rate of powder in a powder spraying device | Performing Operations; Transporting | 34 | Expired |
| USD988256S1 | Charging station | General | 25 | Active |
| US7072935B2 | Filtering web proxy for recording web-based transactions that supports secure HTTP steps | Electricity | 17 | Expired |
| US5764025A | Vehicle battery | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8960505B2 | Device for the quantitatively regulated delivery of bulk product | Performing Operations; Transporting | 1 | Active |
| US9233523B2 | Device for roll-sealing sheets | Performing Operations; Transporting | 0 | Active |
| USD1082672S1 | Charging station | General | 0 | Active |
| US9422074B2 | Sealing roll | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.