Zurich
Switzerland
8
2013-06-13
The entities that hold a legal rights for patent applications filed by inventor Keller Markus:
Markus Keller from Zurich, CH has applied for patents for these inventions. The list has both pending applications and granted patents:
Gas-insulated switchgear arrangement
#2 | 2013-01-10ELECTRICAL HIGH-VOLTAGE ON-LOAD DISCONNECTOR AND METHOD FOR OPENING THE SAME
#3 | 2011-12-01Switching chamber insulation arrangement for a circuit breaker
#4 | 2011-01-13Insulation spacer for a gas insulated device and method of producing same
#5 | 2010-09-02High-voltage circuit breaker having a switch for connection of a closing resistor
#6 | 2009-03-12CLOSING RESISTOR FOR HIGH-VOLTAGE CIRCUIT BREAKERS
#7 | 2006-12-12Cooling element
#8 | 2005-01-06Shaft, method for producing it and device for carrying out the method
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