Issued Patents All Time
Showing 25 most recent of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12315892 | Tightness test of a liquid filled test object | Maximilian Reismann | 2025-05-27 |
| RE50099 | Device and method for distinguishing a test gas escaping from a leak from an interfering gas | — | 2024-08-27 |
| 11852562 | Sniffing leak detector with switching valve and buffer chamber | Marcel Ruth | 2023-12-26 |
| 11441969 | Method for determining the relative position of a gas leak | Marcel Ruth | 2022-09-13 |
| 11199467 | Device and method for distinguishing a test gas escaping from a leak from interfering gas | — | 2021-12-14 |
| 11199468 | Leak-tightness test with carrier gas in foil chamber | Silvio Decker | 2021-12-14 |
| 11143571 | Film chamber having double film | — | 2021-10-12 |
| 10935453 | Leak detection with oxygen | — | 2021-03-02 |
| 10852212 | Leak detection on a flexible test piece in a film chamber | Silvio Decker, Jochen Puchalla-König | 2020-12-01 |
| 10845266 | Quick leak detection on dimensionally stable/slack packaging without the addition of test gas | Silvio Decker, Hjalmar Bruhns, Stefan Mebus | 2020-11-24 |
| 10844877 | Evacuation of a film chamber | Silvio Decker, Michael Dauenhauer, Hjalmar Bruhns | 2020-11-24 |
| 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 |
| 10732067 | Detecting test gas fluctuations during sniffer leak searching | Ludolf Gerdau | 2020-08-04 |
| 10514317 | Gas density increase measurement in a film chamber | Silvio Decker | 2019-12-24 |
| 10247637 | Differential pressure measurement with film chamber | Silvio Decker | 2019-04-02 |
| 9810597 | Sniffer leak detector with multi-stage membrane pump | Heike Hilgers, Hjalmar Bruhns, Norbert Rolff | 2017-11-07 |
| 9810600 | Method for detecting a leak on a non-rigid test specimen | Silvio Decker | 2017-11-07 |
| 9784639 | Tightness test during the evacuation of a film chamber | Silvio Decker | 2017-10-10 |
| 9632067 | Leak detector | Scott W. Dalton, Daniel Hoffmann, Walwyn Jackson, Jr. | 2017-04-25 |
| 9360465 | Leak detector | Scott W. Dalton, Daniel Hoffmann, Walwyn Jackson, Jr. | 2016-06-07 |
| 8915122 | Sniffing leak detector | — | 2014-12-23 |
| 8756978 | Leak detector with optical tracer gas detection | Vladimir Schwartz, Boris Chernobrod | 2014-06-24 |
| 8752412 | Sniffing leak detector | Stefan Mebus, Norbert Rolff | 2014-06-17 |
| 8646315 | Method and device for tightness testing | — | 2014-02-11 |
| 8633704 | Helium sensor | Werner Grosse Bley | 2014-01-21 |