Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8152740 | Blood withdrawal system | Bruno Thoes, Michael Schabbach, Hans Kintzig, Hans Kuhr | 2012-04-10 |
| 7273484 | Blood withdrawal system | Bruno Thoes, Michael Schabbach, Hans Kintzig, Hans Kuhr | 2007-09-25 |
| 7244266 | System for pain-reduced withdrawal of blood | Claus-Dieter Garthe, Guenther Schmelzeisen-Redeker, Claudio Immekus, Uschi Wolf, Klemens Masuch +1 more | 2007-07-17 |
| 7238192 | Blood withdrawal system | Hans List, Brian Vanhiel, Bradley Koeppel, Gwenn E. Kennedy | 2007-07-03 |
| 7223276 | Blood removal system | Hans List, Bruno Thoes, Hans Kintzig, Michael Schabbach | 2007-05-29 |
| 4762692 | Process for the precipitation and separation of cadmium sulphide from the raffinates derived from phosphoric acid purification | Klaus Beltz, Klaus Frankenfeld, Gerhard Eich | 1988-08-09 |
| 4492680 | Removal of cadmium from acidic phosphatic solutions | Klaus Frankenfeld, Peter Brodt, Gerhard Eich | 1985-01-08 |