Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12372387 | Flow velocity measurement arrangement | Manfred Battefeld, Axel Leyer, Sebastian Goertz, Michael Kussmann, Frank Steinhauer +2 more | 2025-07-29 |
| 11714050 | Method for determining phosphate | Andreas Jonak, Michael Kussmann, Axel Leyer, Andreas Schwenk, Markus Hahn | 2023-08-01 |
| 10408729 | Nephelometric turbidimeter and method for controlling the humidity of venting air in a nephelometric turbidimeter | Manfred Battefeld, Hans-Joachim Kumpch, Axel Leyer, Bas De Heij, Clemens Hanschke +12 more | 2019-09-10 |
| 10126236 | Method for detection of the contamination of a sample cuvette of a nephelometric turbidimeter | Manfred Battefeld, Michael Kussmann, Bas De Heij, Bernd Gassner, Frank Steinhauer +6 more | 2018-11-13 |
| 10006853 | Vial and cap for turbidity standard | Douglas F. Royer, Charles Johnson, Bas de Heij | 2018-06-26 |
| 9851297 | Nephelometric turbidimeter and method for detection of the contamination of a sample cuvette of a nephelometric turbidimeter | Manfred Battefeld, Michael Kussmann, Bas De Heij, Bernd Gassner, Frank Steinhauer +6 more | 2017-12-26 |
| 9784669 | Nephelometric turbidimeter | Manfred Battefeld, Bas De Heij, Hans-Joachim Kumpch, Andreas Mitreiter | 2017-10-10 |
| 9638626 | Nephelometric turbidimeter vial arrangement | Manfred Battefeld, Bas De Heij, Hans-Joachim Kumpch, Andreas Mitreiter | 2017-05-02 |
| 9410918 | Water analysis sensor electrode | Axel Leyer, Lothar Heidemanns, Andreas Jonak, Markus Hahn, Michael Kussmann +3 more | 2016-08-09 |
| 9354217 | Water analysis sensor cartridge with transport container | Axel Leyer, Lothar Heidemanns, Andreas Jonak, Markus Hahn, Heinz Rudde +3 more | 2016-05-31 |
| 7967963 | Wastewater analysis sensor cartridge | Rolf Uthemann, John Woodward | 2011-06-28 |
| 7799202 | Method for determining parameters of a gas-selective electrode | Manfred Battefeld, Klaus Bittner, Markus Hahn, Michael Kussmann, Aurelia Stellmach-Hanulok | 2010-09-21 |
| 7655473 | Method and device for determining the concentration of nitrite | — | 2010-02-02 |