OP

Ortwin Piper

IA Inventio Ag: 3 patents #204 of 953Top 25%
Overall (All Time): #1,278,310 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6083263 Adjustable hip-joint endoprosthesis Klaus Draenert 2000-07-04
6012553 Mount for a lift cage safety device Christoph Liebetrau, Albrecht Morlok 2000-01-11
5769183 Drive unit for a self-propelled elevator car Utz Richter, Christoph Liebetrau, Albrecht Morlock, Helmut Heizmann 1998-06-23
5713432 Drive frame for a self-propelled elevator car Utz Richter, Christoph Liebetrau, Albrecht Morlock, Helmut Heizmann 1998-02-03