Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8117670 | Variable volume container unit hoisting device for lowering and raising a telescopical expansion element | Andreas Serden | 2012-02-21 |
| 7921608 | Variable volume container unit hoisting device for lowering and raising a telescopical expansion element with upper and lower elements that cooperate with guide elements and a plurality of lower stops | Andreas Serden | 2011-04-12 |
| 7918053 | Container | Andreas Serden, Patrick Treutle | 2011-04-05 |
| 7658037 | Variable volume container unit hoisting device for lowering and raising a telescopable expansion element | Andreas Serden | 2010-02-09 |
| 7584863 | Container | Roland Krause, Andreas Serden, Albert Fritzsche | 2009-09-08 |
| 7111752 | Container and method of making same | Albert Fritzsche | 2006-09-26 |