Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11460342 | Fastening system for fastening an optoelectronic measuring device, in particular a light grid, in an operating position | Ralf Friedrich | 2022-10-04 |
| 9810626 | Optoelectronic sensor and method for the transmission monitoring of a front screen | Joachim Ernst Kramer, Michael Engler, Markus Hammes | 2017-11-07 |
| D765529 | Optoelectronic sensors | Ralf Friedrich, Michael Thurnherr | 2016-09-06 |
| 9291303 | Method of fastening and adjusting a light grid housing | Ralf Friedrich, Christian Klingelhöfer | 2016-03-22 |
| D734193 | Optoelectronic sensors | Ralf Friedrich, Michael Thurnherr | 2015-07-14 |
| 7348536 | Light grid with housing | Guenter Bockel, Ralf Friedrich, Martin Wuestefeld | 2008-03-25 |
| 7085471 | Light barrier | Guenter Boeckel, Ralf Friedrich, Martin Wuestefeld | 2006-08-01 |
| 5748816 | Optical cavity for exclusively receiving light parallel to an optical axis | Zeljko Jaksic, Hartmut Damm | 1998-05-05 |