Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11686000 | Composition and method for the chromium-free pretreatment of aluminium surfaces | Heiko Hellmers, Norbert Maurus | 2023-06-27 |
| 10853133 | Method and apparatus for scheduling tasks to a cyclic schedule | Nigel Tracey, Alexander Vensmer, Gary Morgan, Michael Mutter, Paul F. Austin | 2020-12-01 |
| 8878109 | Package conveyor for continuous process microwave applicator | Jeffrey H. Mackay, E. Eugene Eves, II | 2014-11-04 |
| 8586899 | Apparatus and method for mass sterilization and pasteurization of food products | Jeffrey H. Mackay, E. Eugene Eves, II | 2013-11-19 |
| 7947333 | Method for coating of metallic coil or sheets for producing hollow articles | Mats Eriksson, Hardy Wietzoreck | 2011-05-24 |
| 7208053 | Method for applying a phosphate covering and use of metal parts thus phospated | Hardy Wietzoreck, Klaus Bittner, Thomas Kolberg, Marion Wegner, Gerrit Schüllermann | 2007-04-24 |
| 6562148 | Pretreatment of aluminum surfaces with chrome-free solutions | Klaus Bittner, Hardy Wietzoreck, Peter Muller | 2003-05-13 |
| 6095037 | High efficient convection fryer with continuous filtration | Steven J. Savage | 2000-08-01 |
| 5904786 | Method of applying phosphate coatings to metal surfaces | Hardy Wietzoreck, Klaus Bittner, Peter Schiefer, Marcus Schinzel, Helmut Hulsmann | 1999-05-18 |
| 5795408 | Process for the phosphatising treatment of steel strip or sheet galvanized on one side or alloy galvanized on one side | Klaus Bittner, Walter Jansen, Klaus-Peter Mohr, Hardy Wietzoreck | 1998-08-18 |
| 5294266 | Process for a passivating postrinsing of conversion layers | Dieter Hauffe, Thomas Kolberg, Gerhard Muller, Horst Gehmecker, Werner Rausch +1 more | 1994-03-15 |