Thomas Köppel
20Patents
4h-index
19Co-inventors
60Inventor score
Filing activity: Sep 8, 1999 → Sep 3, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD884191S1 | Ophthalmologic apparatus | General | 24 | Active |
| US6326562A | Force-measuring apparatus, particularly a weighing cell | Physics | 12 | Expired |
| USD872284S1 | Ophthalmologic apparatus | General | 11 | Active |
| US7851713B2 | Adjustable parallel-guiding mechanism, specifically for a gravimetric measuring instrument | Physics | 5 | Active |
| USD908891S1 | Ophthalmologic apparatus | General | 4 | Active |
| US6378379B1 | Force-reduction mechanism for a force-measuring device | Physics | 4 | Expired |
| US7631536B2 | Calibration weight arrangement for an electronic balance | Physics | 4 | Active |
| USD873416S1 | Pedal for ophthalmologic apparatus | General | 4 | Active |
| US9297689B2 | Device and method for the adjustment of an eccentric load error in a parallel-guiding mechanism | Physics | 2 | Active |
| US9074925B2 | Method for the temperature-correction of a force-measuring device, and force-measuring device | Physics | 2 | Active |
| US8309867B2 | Force-measuring device using electromagnetic force compensation with constant power dissipation | Physics | 2 | Active |
| US7829802B2 | Adjustable parallel-guiding mechanism for compact gravimetric measuring instruments | Physics | 2 | Active |
| US8426753B2 | Gravimetric measuring instrument with releasable load receiver | Physics | 2 | Active |
| US11793921B2 | Replacement part for ophthalmological apparatus | Human Necessities | 1 | Active |
| US9116031B2 | Weighing cell based on the principle of electromagnetic force compensation with optoelectronic position sensor | Physics | 1 | Active |
| US11786398B2 | Sterile Venturi aspiration | Human Necessities | 0 | Active |
| US12220519B2 | Liquid management in an ophthalmological device | Human Necessities | 0 | Active |
| USD873435S1 | Cassette for ophthalmologic apparatus | General | 0 | Active |
| USD862725S1 | Cassette for ophthalmologic apparatus | General | 0 | Active |
| US7132610B2 | Scale pan mount for single-point or multi-point mounted scale pan | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.