PH

Peter Heidrich

WH Wabtec Holding: 6 patents #18 of 164Top 15%
WB Westinghouse Air Brake: 5 patents #37 of 284Top 15%
MG Mahle International Gmbh: 1 patents #783 of 1,650Top 50%
SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #337,934 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11933093 Vehicle door operator system 2024-03-19
10995539 Clutch mechanism between leadscrew and electric motor Peter M. Giannis 2021-05-04
10683692 Clutch mechanism between leadscrew and electric motor Peter M. Giannis 2020-06-16
8839558 Sealing assembly for a swing door Frank Golemis 2014-09-23
8561351 Skirt for slide-glide door David C. Griffis 2013-10-22
8371638 Drive for transit door 2013-02-12
8291644 Locking mechanism for pneumatic differential engine for power-operated doors Gennady Plavnik, Frank Golemis, Michael O'Neill, David C. Griffis 2012-10-23
8033597 Glazed transit vehicle door or window David C. Griffis 2011-10-11
7603977 Cooling duct piston for an internal combustion engine comprising heat pipes Roland Lochmann, Timo Estrum 2009-10-20
7549368 Light-metal piston having heat pipes Roland Lochmann, Klaus Keller 2009-06-23
D582750 Modular transit assist handle David C. Griffis 2008-12-16
7415072 Drive control for an electric drive with a secure electrical separation of power element and control element Susanne Gaksch, Kurt Göpfrich, Franz Imrich, Peter Jänicke 2008-08-19
6684567 Plug door drive system Paul A. Skalak, Robert L. Oakley 2004-02-03
6539669 Plug door drive system Robert L. Oakley 2003-04-01