Andreas Hensel
20Patents
8h-index
23Co-inventors
75Inventor score
Filing activity: Aug 28, 1998 → Sep 18, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6769285B2 | Device for and method of testing a fire alarm | Physics | 28 | Expired |
| US7978087B2 | Fire detector | Physics | 28 | Expired |
| US6515589B2 | Scattering light smoke alarm | Physics | 28 | Expired |
| US6230545A | Optode for the determination of gases | Physics | 19 | Expired |
| US9764163B2 | Method and device for efficiently irradiating a target from multiple irradiation angles in a particle therapy system | Human Necessities | 18 | Active |
| US10449394B2 | Method and device for efficiently irradiating a target from multiple irradiation angles in a particle therapy system | Human Necessities | 14 | Active |
| US6822215B2 | Optoelectronic sensor including a transparent optode material | Physics | 13 | Expired |
| US6605804B1 | Optical sensor | Physics | 9 | Expired |
| US6828913B2 | Scattered light smoke alarm | Physics | 7 | Expired |
| US6856252B2 | Method for detecting fires | Physics | 6 | Expired |
| US6479833B1 | Fire alarm box with direct and scattered light detection and gas-sensitive layers | Physics | 6 | Expired |
| US7154649B2 | Device for deflecting optical beams | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6882272B2 | Danger detecting system | Physics | 4 | Expired |
| US6803853B2 | Testing device for operation testing of a temperature sensor of an alarm or an alarm and a method of operation testing of an alarm | Physics | 3 | Expired |
| US6696939B2 | Signaling fire detector | Physics | 3 | Expired |
| USD517936S1 | Alarm detector | General | 3 | Expired |
| US6704470B1 | Optoelectronic gas sensor based on optodes | Physics | 3 | Expired |
| US6602470B2 | Optical sensor and method for producing same | Emerging Cross-Sectional Technologies | 1 | Expired |
| US8013751B2 | Fire alarm with a transmitter spaced from a receiver through a colored sheet | Physics | 0 | Active |
| US7276912B2 | Method for the operation of an analytical circuit for an electromechanical cell | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.