Berlin
Germany
4
2009-11-19
The entities that hold a legal rights for patent applications filed by inventor Hein Stefan:
Stefan Hein from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Combined vortex reducer
#2 | 2009-07-30Sealing of at least one shaft by at least one hydraulic seal
#3 | 2007-01-09Vortex reducer in the high-pressure compressor of a gas turbine
#4 | 2006-02-16Hydraulic shaft sealing arrangement for high-temperature applications
3994428 ⎘