Urs Wälchli
9Patents
5h-index
17Co-inventors
60Inventor score
Filing activity: Dec 20, 1995 → Feb 2, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6619131B2 | Combination pressure sensor with capacitive and thermal elements | Physics | 17 | Expired |
| US7305888B2 | Optical interferometric pressure sensor | Emerging Cross-Sectional Technologies | 13 | Active |
| US5962791A | Pirani+capacitive sensor | Physics | 8 | Expired |
| US5756881A | Gas analysis or leak detection process and device for same | Physics | 7 | Expired |
| US7443169B2 | Shield arrangement for a vacuum cell | Physics | 5 | Active |
| US7500300B2 | Optical interferometric pressure sensor manufacturing method | Emerging Cross-Sectional Technologies | 3 | Active |
| US12154771B2 | Chamber for an ionization vacuum gauge | Electricity | 0 | Active |
| US12406836B2 | Device and method for plasma generation in a wide pressure range and system and method for optical gas analysis/detection by means of such a device | Electricity | 0 | Active |
| US12085467B2 | Method for detecting pressure, and pressure sensor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.