Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11754525 | Gas detector with an ionizing device | — | 2023-09-12 |
| 11630024 | Method for leak testing using a film chamber with ventilated measuring volume | — | 2023-04-18 |
| 11320337 | Method for leak testing with a foil chamber with vented measurement volume | Silvio Decker | 2022-05-03 |
| 10900862 | Gross leak measurement in an incompressible test item in a film chamber | Silvio Decker | 2021-01-26 |
| 10837857 | Gas leak search using a test gas spray device | Hjalmar Bruhns, Ernst Franke, Ralf Kilian, Jörn Liebich, Norbert Moser +3 more | 2020-11-17 |
| 10309862 | Film chamber with measuring volume for gross leak detection | Silvio Decker | 2019-06-04 |
| 9810597 | Sniffer leak detector with multi-stage membrane pump | Heike Hilgers, Hjalmar Bruhns, Daniel Wetzig | 2017-11-07 |
| 9530634 | Device for supplying voltage to the cathode of a mass spectrometer | — | 2016-12-27 |
| 9147561 | Method for determining the maximum mass peak in mass spectrometry | — | 2015-09-29 |
| 8893543 | Leak detection method | Martin Bohn, Jochen Puchalla, Michael Dauenhauer | 2014-11-25 |
| 8752412 | Sniffing leak detector | Daniel Wetzig, Stefan Mebus | 2014-06-17 |
| 8416091 | Sniffing probe | Randolf Rolff, Ralf Kilian, Jörn Liebich, Norbert Moser | 2013-04-09 |
| 8302454 | Method for calibrating a mass spectrometric sniffing leak detector | Randolf Rolff, Ludolf Gerdau | 2012-11-06 |
| 8171773 | Sniffing leak detector | Daniel Wetzig | 2012-05-08 |
| 8117886 | Leak detector with a leak detector testing device | Randolf Rolff, Sandra Seitz, Werner Grosse Bley, Thomas Boehm, Daniel Wetzig | 2012-02-21 |
| 7444854 | Leak indicator with test leak and test leak for integration into a leak detector | Thomas Böhm, Werner Grosse Bley, Randolf Rolff, Sandra Seitz | 2008-11-04 |
| 7415829 | Piston compressor | — | 2008-08-26 |
| 6474172 | Method for measuring the gas pressure in a container, and devices for its application | Rudolf Stocker | 2002-11-05 |
| 5770956 | Measurement amplifier | — | 1998-06-23 |
| 5543706 | Circuit and method for measuring current in a circuit | — | 1996-08-06 |