ELTRO GmbH
🏢 View company profile →13Patents
0Active
13Granted
31Portfolio score
Filing activity: Aug 5, 1968 → Feb 22, 1991
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5118180A | Method and apparatus for determining the range of vision of a motor vehicle driver upon encountering fog or other obstacle | Physics | 19 | Expired |
| US4601540A | Method and apparatus for the turning on and off of a signal in optical or optronic devices | Physics | 15 | Expired |
| US4987832A | Method and apparatus for increasing the effectiveness of projectiles | Physics | 14 | Expired |
| US4560869A | Method and apparatus for scanning radiated energy using a single mirror with a plurality of pivotal positions | Electricity | 8 | Expired |
| US4613231A | Laser range finder with non-linearity compensation | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4890035A | Discharge electrode with microstructure surface | Electricity | 6 | Expired |
| US4944588A | System for detecting laser radiation | Physics | 5 | Expired |
| US4696567A | Radiation detection method | Electricity | 5 | Expired |
| US4090774A | Prism arrangement for scanning infrared images | Electricity | 4 | Expired |
| US4643517A | Method and circuit arrangement for frequency-, distance-, and angle-independent surface measurement | Physics | 3 | Expired |
| US4811027A | Broad-band directional antenna | Electricity | 2 | Expired |
| US4332168A | Radiometer | Physics | 1 | Expired |
| US5751239A | Distance sensor for projectile fuzes | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.