Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666049 | Smoke detection unit with light-emitting diode and photo-detector, and with an LED chip arranged in the light-emitting diode and with a photosensor for determining a degree of aging and/or a compensation value for a light current, as well as a light-emitting diode | — | 2017-05-30 |
| 9569946 | Smoke alarm according to the scattered light principle having a two-color light-emitting diode with different sizes of LED chips | — | 2017-02-14 |
| 9030328 | Integrated circuit to operate in an area of ionizing radiation, and having an output for a radiation dose-dependent way damage information, and alarm indicators and corresponding method | — | 2015-05-12 |
| 8907801 | Danger detector for operation in nuclear field, having heating system for heating typically non-radiation hardened semiconductor components to increase functional service life | Martin Arnold | 2014-12-09 |
| 8717184 | Calibration of an electro-optical signal path of a sensor device by online signal level monitoring | Ke Bi, Hu Wang | 2014-05-06 |
| 8629779 | Adapting a scanning point of a sample and hold circuit of an optical smoke detector | Berni Imfeld, Wolf Liebert | 2014-01-14 |
| 8542116 | Hazard alarm with a variable holding region for a supply element | Wolf Liebert, Matthias Nyikos | 2013-09-24 |
| 7081599 | Apparatus and method for processing workpieces | — | 2006-07-25 |
| 7034247 | Apparatus for handling sheet metal workpieces to be welded | Daniel Wildmann, Martin van der Schaar | 2006-04-25 |
| 6713712 | Method and device for laser welding metal sheets | Daniel Wildmann, Martin van der Schaar | 2004-03-30 |
| 6127646 | Apparatus for butting two workpieces together for a welding operation | Norbert Gross, Werner Urech | 2000-10-03 |
| 6105845 | Method and apparatus for connecting two workpieces together | Norbert Gross, Werner Urech | 2000-08-22 |
| 6053392 | Method and apparatus for connecting two metallic workpieces together | Norbert Gross, Werner Urech | 2000-04-25 |
| 6036075 | Method and apparatus for connecting two workpieces together | Norbert Gross, Werner Urech | 2000-03-14 |
| 5957369 | Method for connecting two workpieces together | Norbert Gross, Werner Urech | 1999-09-28 |
| 5878944 | Method and apparatus for connecting two metallic workpieces together | Norbert Gross, Werner Urech | 1999-03-09 |
| 5749511 | Method and apparatus for connecting two workpieces together | Norbert Gross, Werner Urech | 1998-05-12 |
| 5062189 | Device for profiling an electrode roller | — | 1991-11-05 |