Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294105 | Process and apparatus for cooling a gas containing SO2 and/or SO3 and water | Hannes Storch, Ralf Neumann, Wolfram Schalk | 2019-05-21 |
| 10150671 | Process and plant for improved energy-efficient production of sulfuric acid | Peter Ernst, Hannes Storch, Wolfram Schalk | 2018-12-11 |
| 9849419 | Process and plant for the production of liquid acid | Hannes Storch, Wolfram Schalk | 2017-12-26 |
| 9551537 | Heat exchanger including a tube bundle that is offset with respect to a center of the chamber casing | Hannes Storch, Wolfram Schalk | 2017-01-24 |
| 9227845 | Packed tower | Wolfram Schalk | 2016-01-05 |
| 8906133 | Process and plant for cooling sulfuric acid | Wolfram Schalk | 2014-12-09 |
| 8668488 | Process for the combustion of a liquid | Wolfram Schalk, Jean Claude Hein, Thomas Schueller, Ludwig Emich, Bernhard Rieger +2 more | 2014-03-11 |
| 8658121 | Method and apparatus for adjusting the concentration of acids or lyes | Henry Eisermann, Wolfram Schalk | 2014-02-25 |
| 8603409 | Support ring for accommodating a plate-like element in a vessel | David Cachero Ventosa, Wolfram Schalk | 2013-12-10 |
| 8348246 | Fluid distribution system | Wolf-Christoph Rauser, Wolfram Schalk | 2013-01-08 |
| 8043597 | Process and apparatus for the combustion of sulfur | Wolf-Christoph Rauser, Wolfram Schalk | 2011-10-25 |
| 7837970 | Process and plant for the production of sulphuric acid | — | 2010-11-23 |
| 7820134 | Process and plant for producing sulfuric acid | Wolf-Christoph Rauser | 2010-10-26 |
| 7704476 | Process and plant for producing sulfuric acid from gases rich in sulfur dioxide | Hannes Storch, Jan Rieder | 2010-04-27 |
| 7691360 | Process and plant for the manufacture of sulphuric acid from gases rich in sulphur dioxide | Ekkehart Seitz, Hermann Muller, Nikola Anastasijevic | 2010-04-06 |
| 7225863 | Plate-type heat exchanger with anodic corrosion protection | Nikola Anastasijevic, Wolfram Schalk, Stefan Laibach | 2007-06-05 |
| 5086751 | Saw cable with spacers between adjacent cutting beads | Johann Pfister | 1992-02-11 |