Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943714 | Method of continuous measurement of damping in an elongated light wave conductor-sensor having only one accessible end | Helmut Federmann, Georg Noack, Anton Kraus | 1990-07-24 |
| 4900920 | Device for and method of measuring minute elongations by means of light wave conductor sensors | Helmut Federmann, Georg Noack, Anton Kraus | 1990-02-13 |
| 4900922 | Arrangement of a light wave conductor-phase sensor for the measurement of minute elongations | Helmut Federmann, Georg Noack, Anton Kraus | 1990-02-13 |
| 4840452 | Light wave conductor-sensor for tension | Helmut Federmann, Georg Noack | 1989-06-20 |
| 4840480 | Light conduit arrangement for monitoring a physical condition of a structural part | J. Peter Starke, Helmut Federmann | 1989-06-20 |
| 4634217 | High tensile wire provided with light guide sensor | Helmut Federmann | 1987-01-06 |