RG

Richard Griessel

YO Youtility: 2 patents #2 of 8Top 25%
DL Det International Holding Limited: 1 patents #19 of 66Top 30%
Overall (All Time): #1,487,747 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9553526 Bypassed cascaded cell converter Kilian Noetzold, Michael Bragard, Karsten Fink, Ralf Wegener 2017-01-24
6879053 Transformerless, load adaptive speed controller Richard Shaun Welches, Daniel Hohm, Jian Wen, Kevin E LeRow, Thomas O'Reilly 2005-04-12
6654261 Inverter DC link volts “tooth” modulation scheme Richard Shaun Welches, Peter Beckedahl, Karl Bond 2003-11-25