Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12066143 | Method for producing a polymer-improved pipe element and pipe element and pipe system comprising same | Jan Ehlers | 2024-08-20 |
| 11975227 | Method for producing a pipe element, particularly a pipe element of a fire-extinguishing facility, pipe element and pipe system comprising same | — | 2024-05-07 |
| 11975374 | Apparatus and method for producing a peripheral groove in an end portion of a metal tube | Jan Ehlers | 2024-05-07 |
| 11920701 | Method for producing a number of pipes having a predefined pipe diameter, pipe, and piping system | Jan Ehlers, Jendrik Schütt, Hanjo Diederley, Kai Zeugner | 2024-03-05 |
| 11278753 | Fire extinguishing system | Michael Steinhoff | 2022-03-22 |
| RE48284 | Method for coating pipes | Michael Steinhoff | 2020-10-27 |
| 10413765 | Fire extinguishing system | Michael Steinhoff | 2019-09-17 |