Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11181472 | Alcohol detection device with redundant measuring channels and method for detecting alcohol in breathing air | Malte BAESLER | 2021-11-23 |
| 9316614 | Alcohol-measuring device with fast operational readiness | Jens Rekow | 2016-04-19 |
| 9188534 | Device with a measurement arrangement for optical measurement of gases and gas mixtures, with compensation of environmental effects | Nils Haack, Wilfried Diekmann, Björn Lange | 2015-11-17 |
| 8551321 | Process for verifying an electrochemical substance in a gas sample | — | 2013-10-08 |
| 8199326 | Gas concentration-measuring device | Peter Dreyer, Günter Steinert, Alfred Kelm, Christian Jäger, Livio Fornasiero +3 more | 2012-06-12 |
| 7993281 | Breath alcohol measuring device with improved mouthpiece | Jens Rekow, Rigobert Chrzan | 2011-08-09 |
| 7603886 | Breath alcohol-measuring device with piezo drive | — | 2009-10-20 |
| 7541192 | Process for distinguishing wet from dry gas with a breath alcohol measuring device | — | 2009-06-02 |
| 7329390 | Device and process for measuring breath alcohol | Dieter Kruger, Rigobert Chrzan, Hans-Jurgen Busack | 2008-02-12 |
| 7171842 | Breath alcohol measuring device | Theodor Kater | 2007-02-06 |
| 7103454 | Process for recognizing the movement of a motor vehicle | Henning Thomsen, Gunter Wahlbrink | 2006-09-05 |
| 6923040 | Device and process for measuring breath alcohol | — | 2005-08-02 |
| 6583417 | Infrared optical gas-measuring device and gas-measuring process | — | 2003-06-24 |
| 6289718 | Arrangement for detecting a gaseous component in a gas flow | — | 2001-09-18 |
| 6150177 | Device and process for determining the temperature of the gas sample flow during breath alcohol measurements | — | 2000-11-21 |
| 6096558 | Process for calibrating a breath alcohol-measuring instrument | — | 2000-08-01 |
| 6075246 | Infrared measuring arrangement with expanded measuring range | — | 2000-06-13 |
| 5866794 | Device for calibrating a gas meter | — | 1999-02-02 |
| 5770793 | Method for determining the concentration of a substance in a gas | — | 1998-06-23 |
| 5739412 | Gas sampling system having a mouthpiece | Jurgen Sohege | 1998-04-14 |
| 5696379 | Measuring apparatus for measuring the concentration of gases utilizing infrared absorption | — | 1997-12-09 |
| 5612896 | Method for determining characteristic variables of an electrochemically convertible substance in a gas sample | — | 1997-03-18 |
| 5321972 | Method for quantitatively determining a component of a gas flow and apparatus therefor | — | 1994-06-21 |
| 5057280 | Gas measuring and warning device | Jurgen Kruger | 1991-10-15 |
| 4976135 | Apparatus and method for detecting gas components | — | 1990-12-11 |