Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220759 | Resistance welding apparatus and resistance welding method for the resistance welding of at least one component | — | 2025-02-11 |
| 11096397 | Method for highly concentrating aqueous solutions | Timo van Beek, Jan A. M. V. van Esch | 2021-08-24 |
| 10493557 | Converter circuit | Ludwig Luger, Michael Steinbrecher, Oliver Trautmann | 2019-12-03 |
| 9302342 | Method for operating a welding converter and apparatus | Alfred Punzet | 2016-04-05 |
| 9094018 | Method and control device for charging an intermediate circuit capacitor for a welding device | — | 2015-07-28 |
| 8486158 | Method and device for continuously producing a crystallite having a constant particle size distribution | Gunter A. Hofmann | 2013-07-16 |
| 8431725 | Purification of lactide rich streams | Robertus Petrus Maria van der Steen | 2013-04-30 |
| 8283597 | Switching module for the power section of a welding control system | Guenter Schaefer | 2012-10-09 |
| 8034312 | Purification of phosphoric acid rich streams | Ray Sirey Ruemekorf | 2011-10-11 |
| 7942939 | Method and facility for producing a coarse-grained ammonium sulfate product by crystallization | Gunter A. Hofmann | 2011-05-17 |
| 7384594 | Method for the pyrometallurgical treatment of metals, metal melts and/or slags and injection device | Matthias Meyn, Peter Monheim | 2008-06-10 |
| 7247810 | Module for resistance welding tongs | Eckart Goetz, Heinz-Ullrich Mueller | 2007-07-24 |
| 7179435 | Method and apparatus for recovering a pure substance from an impure solution by crystallization | Ray Sircy Ruemekorf | 2007-02-20 |
| 6357637 | Method and casting nozzle for casting-on a metal strip which is close to final dimensions | Ulrich Urlau, Joachim Kroos, Karl-Heinz Spitzer | 2002-03-19 |