Hamburg
Germany
3
2011-12-01
The entities that hold a legal rights for patent applications filed by inventor Hoffmann Christian:
Christian Hoffmann from Hamburg, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for producing connecting elements by way of a pressure welding process and connecting element
#2 | 2009-05-21Method for determining an air ratio in a burner for a fuel cell heater, a fuel cell heater
#3 | 2008-10-30Fuel Cell Heating Device And Method For Operating Said Fuel Cell Heating Device
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