Issued Patents All Time
Showing 51–62 of 62 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6140810 | Fiber-optic voltage sensor for outdoor high-voltage installations | Hubert Brandle, Philippe Gabus, Jadran Kostovic, Jiri Talir | 2000-10-31 |
| 5953121 | Magneto-optic current sensor having a mechanically stress-free .lambda./4 element | Hubert Brandle, Tone Schanke | 1999-09-14 |
| 5945667 | Method for temperature compensation of measuring signals of a fiber-optic sensor | Pascal Pequignot | 1999-08-31 |
| 5715058 | Method and device for the optical determination of a physical quantity | Jurgen Nehring | 1998-02-03 |
| 5343036 | Optical measurement of electrical quantities using inverse piezoelectric effect with dual double-mode fiber | — | 1994-08-30 |
| 5339026 | Fiber-optic sensor with first and second bimode fibers | — | 1994-08-16 |
| 5196695 | Fiber-optic sensor having near-field and remote-field signals | Mathias Fauth | 1993-03-23 |
| 5136236 | Arrangement for voltage measurement in a GIS installation | Hubert Brandle, Lutz Niemeyer, Roland Stierlin | 1992-08-04 |
| 5053694 | Device for measuring an electric field | Jurgen Nehring | 1991-10-01 |
| 5053693 | Fibreoptical sensor | Werner Buser | 1991-10-01 |
| 4939447 | Fiber-optic voltage sensor | Rolf Kirchhofer | 1990-07-03 |
| 4929830 | Fiber-optic electric field sensor with piezoelectric body sensor | Meinolph Kaufmann, Jurgen Nehring | 1990-05-29 |