Vasteras
Sweden
8
2022-04-28
The entities that hold a legal rights for patent applications filed by inventor Karlen David:
David Karlen from Vasteras, SE has applied for patents for these inventions. The list has both pending applications and granted patents:
Splitter plate, arc extinguishing chamber and switching device
#2 | 2019-02-28Switching device
#3 | 2017-04-27Electrical contact tip for switching applications and an electrical switching device
#4 | 2015-09-17Switching device
#5 | 2015-02-26Electrical circuit switch with variable gear ratio
#6 | 2012-09-27Contactor
#7 | 2012-05-31Switching device
#8 | 2012-05-17Switching Device And Method For Fastening A Cable In Such Switching Device
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