Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9279617 | Phlegmatized metal or alloy powder and method and/or reaction vessel for its manufacture | — | 2016-03-08 |
| 8821610 | Phlegmatized metal powder or alloy powder and method and reaction vessel for the production thereof | — | 2014-09-02 |
| 8747573 | Method for producing corrosion-resistant surfaces of nitrated or nitrocarburated steel components | — | 2014-06-10 |
| 8083866 | Method for hardening the surfaces of work pieces made of stainless steel, and a molten salt bath for realizing the method | Michael Merz | 2011-12-27 |
| 7909943 | Method for hardening stainless steel and molten salt bath for realizing said process | Michael Niedermeyer | 2011-03-22 |
| 6964712 | Hardening protection compositions for partial carburization of metallic components | Stefan Wigger | 2005-11-15 |
| 6503344 | Boronizing agent in paste form | Stefan Wigger | 2003-01-07 |
| 6245162 | Boriding agent | Stefan Wigger | 2001-06-12 |
| 6159355 | Process for the electrolytic production of cyanide in nitrocarburizing melts | Mandy Doose, Karl-Otto Prietzel | 2000-12-12 |
| 4610437 | Crucible for holding salt baths for the boriding of steels | Peter Biberbach, Rainer F. Engelmann | 1986-09-09 |
| 4536224 | Salt bath for the currentless production of wear resistant boride layers | Hans-Hermann Beyer, Peter Biberbach, Wolfgang Weber | 1985-08-20 |
| 4509993 | Regeneration agent for carburization salt bath | Hans-Hermann Beyer, Peter Biberbach | 1985-04-09 |
| 4441930 | Process for removal of sand mold residues from cast parts | Peter Biberbach, Wolfgang Weber | 1984-04-10 |
| 4440581 | Process for the production of vanadium carbide coatings on iron | Peter Biberbach, Wolfgang Weber | 1984-04-03 |