Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10207340 | Machining device for outer pipe surfaces | Achim Spychalski-Merle | 2019-02-19 |
| 8656816 | Peeling tool | — | 2014-02-25 |
| 8653424 | Compensation for induction heating in coil welding equipment | Stefan Kehm, Achim Spychalski-Merle | 2014-02-18 |
| 7607376 | Paring apparatus with pivotable paring head | — | 2009-10-27 |
| 7047850 | Paring apparatus with pivotable paring head | — | 2006-05-23 |
| 6590189 | Method of measuring a welding voltage at a heating coil of a heating coil fitting and a heating coil welding apparatus | Achim Spychalski-Merle | 2003-07-08 |
| 6539634 | Paring device | Achim Spychalski-Merle | 2003-04-01 |
| 5130518 | Electric welding apparatus for automatically welding heating coil fittings | — | 1992-07-14 |