Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773516 | Process and solution for providing a conversion coating on a metallic surface I | Simon Gerard Hardin, Anthony Ewart Hughes, Karen Joy Hammon Nelson | 2004-08-10 |
| 6755917 | Process and solution for providing a conversion coating on a metallic surface II | Simon Gerard Hardin, Anthony Ewart Hughes, Karen Joy Hammon Nelson | 2004-06-29 |
| 6153015 | Process for removing soap-contaminated conversion layers on metal workpieces | Joachim Geldner, Georg Bluemlhuber | 2000-11-28 |
| 5688340 | Preparation of metal surfaces for vitreous enameling | Margit Fleischhacker-Jeworrek, Dieter Jentsch | 1997-11-18 |
| 5352296 | Process for cleaning metal surfaces | Georg Blumlhuber | 1994-10-04 |
| 5152849 | Phosphating process | Klaus Bittner, Gerhard Muller, Werner Rausch | 1992-10-06 |