Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5915426 | Apparatus and process for cleaning the outside of containers | Heinrich Kladders, Stefan Kruger | 1999-06-29 |
| 5676130 | Separator for powdered inhalers | Heinrich Kladders | 1997-10-14 |
| 5575280 | Powder inhalation device having nozzle to empty dosing chamber | Heinrich Kladders, Hans-Dieter Ruthemann, Bernd Zierenberg, Raimo K. A. Auvinen, Pekka J. Karttunen +1 more | 1996-11-19 |
| 5462744 | Transdermal system for the administration of pharmacological compounds under pH-controlled conditions | Uwe Rohr, Bernd Zierenberg | 1995-10-31 |
| 4683131 | Divisible pharmaceutical tablet with delayed active ingredient release | Bernd Zierenberg | 1987-07-28 |
| 4595587 | Divisible pharmaceutical tablet with delayed active ingredient release | Bernd Zierenberg | 1986-06-17 |
| 4547359 | Divisible pharmaceutical tablet with delayed active ingredient release | Bernd Zierenberg | 1985-10-15 |
| 4350049 | Device and process for drawing off very small quantities of powder | Heinrich Kladders, Helmut Struth | 1982-09-21 |