Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11563321 | Intrinsically safe energy transmission unit for supplying an electrical device with increased power | — | 2023-01-24 |
| 10539619 | Testing device and method for testing a vibration motor arranged in a device | — | 2020-01-21 |
| 10190590 | Battery-operated blower filter system for use in potentially explosive areas | Achim Volmer, Björn Ehler, Mathias Dehmke | 2019-01-29 |
| 9917450 | Electronic circuit of a battery, battery, blower filter device as well as a method for charging a battery of a blower filter device | Achim Volmer | 2018-03-13 |
| 7559228 | Process for measuring the concentration of gases | Hans-Jurgen Bahs, Mladen Schlichte, Matthias Martens, Wilfried Diekmann | 2009-07-14 |
| 7287414 | Process for measuring the concentration of gases | Hans-Jurgen Bahs, Mladen Schlichte, Matthias Martens, Wilfried Diekmann | 2007-10-30 |
| 4851954 | Monitoring apparatus for monitoring temperature in a circuit arrangement | — | 1989-07-25 |