Hartmut Stark
20Patents
6h-index
32Co-inventors
69Inventor score
Filing activity: Feb 10, 1994 → Oct 5, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5397538A | Apparatus for optically evaluating colorimetric coloration zones on a carrier to automatically detect gaseous and/or vaporous components of a gas mixture | Emerging Cross-Sectional Technologies | 25 | Expired |
| US7789554B2 | Double temperature sensor | Physics | 16 | Active |
| US6430987B1 | Apparatus and method for measuring the concentration of a paramagnetic gas | Physics | 12 | Expired |
| US6538728B1 | Gas sensor with open optical measurement path | Physics | 10 | Expired |
| US5677484A | Device for measuring the flow in a fluid channel | Physics | 10 | Expired |
| US6338271B1 | Device and process for measuring the velocity of flow of a fluid | Physics | 7 | Expired |
| US7823444B2 | Device and process for measuring the velocity of flow of a fluid using pulse signal generated based on feedback | Physics | 5 | Active |
| US9504113B2 | Method for improving the illumination of an illuminated area | Emerging Cross-Sectional Technologies | 4 | Active |
| US6564629B2 | Thermal flowmeter | Physics | 3 | Expired |
| US6895802B2 | Measuring gas cell for a device for measuring the concentration of a paramagnetic gas | Physics | 3 | Expired |
| US6086251A | Process for operating a thermocouple to measure velocity or thermal conductivity of a gas | Physics | 3 | Expired |
| US8596109B2 | Device for measuring the concentration of paramagnetic gases | Physics | 3 | Active |
| US6952947B2 | Measuring head for a device for measuring the concentration of a paramagnetic gas | Physics | 3 | Expired |
| US9360441B2 | Measuring head for a device for measuring the concentration of at least one gas in a gas sample | Physics | 2 | Active |
| US7209036B2 | Device and process for guiding a person along a path traveled | Physics | 1 | Expired |
| US8199326B2 | Gas concentration-measuring device | Physics | 1 | Active |
| US9555212B2 | Anesthesia system with detachable anesthetic dispensing device | Human Necessities | 0 | Active |
| US12158446B2 | Measuring system for determining gas concentrations | Physics | 0 | Active |
| US11801361B2 | Anesthetic dispensing device with a measuring unit | Human Necessities | 0 | Active |
| US8596537B2 | Anesthesia system | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.