Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325179 | Device for pulling in, and in particular curing, a pipeline liner | Maximilian Fritz | 2025-06-10 |
| 11822310 | Increase in surface quality | Ludger Hümmeler | 2023-11-21 |
| 11230051 | Homogenization of the energy input | Sebastian Edelhäuser, Ludger Hümmeler, Peter Hofbauer | 2022-01-25 |
| 10312933 | Chord modulation communication system | Salvador Cerda, Jr., Stephen D. Williams, Kenneth W. Samson | 2019-06-04 |
| 9637279 | Safety closure for beverage containers | Erhard Schwartz | 2017-05-02 |
| D764915 | Safety closure | Erhard Schwartz | 2016-08-30 |
| 9301335 | Method and system for using a proxy device to throttle communications between a tethered device and a network | Sal Cerda, Stephen D. Williams | 2016-03-29 |
| D638720 | Pouch with safety closure | Erhard Schwartz | 2011-05-31 |
| D631346 | Safety closure for a pouch | Erhard Schwartz | 2011-01-25 |