Helmut List
29Patents
13h-index
28Co-inventors
81Inventor score
Filing activity: Mar 6, 1975 → Apr 30, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5130009A | Sensor device | Emerging Cross-Sectional Technologies | 297 | Expired |
| US5080865A | One-way measuring element | Physics | 133 | Expired |
| US5157262A | Sensor element for determination of concentration of substances | Physics | 104 | Expired |
| US5039490A | Sensor element for determination of concentration of substances | Physics | 64 | Expired |
| US4413202A | Transducer with a flexible sensor element for measurement of mechanical values | Emerging Cross-Sectional Technologies | 60 | Expired |
| US4216403A | Monoaxially oriented piezoelectric polymer transducer for measurement of mechanical values on bodies | Emerging Cross-Sectional Technologies | 57 | Expired |
| US5407829A | Method for quality control of packaged organic substances and packaging material for use with this method | Physics | 40 | Expired |
| US5193545A | Device for determining at least one medical variable | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6079258A | Method for analyzing the driving behavior of motor vehicles | Performing Operations; Transporting | 26 | Expired |
| US6405872B1 | Method and device of improving the shelflife of tonometered fluids | Physics | 23 | Expired |
| US4194401A | Transducer for measuring the internal pressure in pipes | Mechanical Engineering; Lighting; Heating | 19 | Expired |
| US5325867A | Device for withdrawing body fluids | Physics | 18 | Expired |
| US5074157A | Analyzing apparatus | Physics | 17 | Expired |
| US4399706A | Pressure indicator for measurement of hot pressure mediums | Physics | 13 | Expired |
| US6317666A | Method for analyzing the driveability of motor vehicles | Physics | 13 | Expired |
| US6099510A | Device for withdrawing a liquid from a sealed glass ampoule | Physics | 12 | Expired |
| US4902926A | Piezoelectric measuring element | Electricity | 11 | Expired |
| US4737676A | Transducer with a flexible piezoelectric layer as a sensor element | Electricity | 10 | Expired |
| US4296635A | Transducer device for measuring the internal pressure in pipes | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6598467B1 | Method for analyzing the driving behavior of motor vehicles | Physics | 5 | Expired |
| US4457180A | Pressure measuring device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4351798A | Analyzing apparatus for liquid samples | Physics | 3 | Expired |
| US10583792B2 | System for evaluating and/or optimizing the operating behavior of a vehicle | Emerging Cross-Sectional Technologies | 3 | Active |
| US3965383A | Multi-wire oxygen electrode and method of manufacturing the same | Physics | 2 | Expired |
| US4501296A | Device for charging an electrochemical measuring apparatus | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.