PH

Peter E. Hammer

ZA Zf Friedrichshafen Ag: 3 patents #18 of 216Top 9%
📍 Needham, MA: #8 of 103 inventorsTop 8%
🗺 Massachusetts: #692 of 9,131 inventorsTop 8%
Overall (2011): #38,794 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8042666 Hydrodynamic clutch device Peter Frey, Roland Baumann, Michael Greulich, Georg Mencher, Bernd Reinhardt +1 more 2011-10-25
7984800 Hydrodynamic clutch device Peter Frey, Roland Baumann, Michael Greulich, Georg Mencher, Bernd Reinhardt +1 more 2011-07-26
7905787 Drive system for a motor vehicle Peter Frey, Michael Kühner, Alexander Markow, Michael Heuler, Martin Grumbach +2 more 2011-03-15