WA

Wilhelm Appel

HG Hydromatik Gmbh: 3 patents #4 of 29Top 15%
Siemens Ag Österreich: 3 patents #9 of 149Top 7%
SA Siemens Aktiengesellschaft: 3 patents #4,667 of 22,248Top 25%
📍 Erbach, DE: #26 of 249 inventorsTop 15%
Overall (All Time): #578,453 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
8482941 Method for operating a switched mode power supply with return of primary-side stray energy Wolfgang Peprny, Arnold Schönleitner 2013-07-09
8331109 Asymmetric half-bridge with reduced switch load Bernhard Eichhorner, Wolfgang Peprny, Arnold Schönleitner 2012-12-11
8212434 Method for operating switched-mode power supply units Wolfgang Peprny, Arnold Schönleitner 2012-07-03
7927156 Electrical connector element Bernhard Eichhorner, Wolfgang Peprny, Martin Petricek, Arnold Schönleitner 2011-04-19
7388364 Device for covering the peak load Harald Schweigert 2008-06-17
7120039 Voltage converter Roland Burger, Peter Kremer, Ernst Plotz 2006-10-10
4756156 Drive system with two hydrostatic gears 1988-07-12
4756157 Control device for a hydrostatic gear 1988-07-12
4722187 Speed regulation device for a hydrostatic drive unit Mathias Maul 1988-02-02