Esslingen
Germany
6
2023-06-01
The entities that hold a legal rights for patent applications filed by inventor Steffens Ralf:
Ralf Steffens from Esslingen, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Volume ratio for a R718* compressor
#2 | 2021-12-30Water-based refrigerant for a thermal working machine and thermal working machine having such a refrigerant
#3 | 2020-12-10STEAM COMPRESSOR COMPRISING A DRY POSITIVE-DISPLACEMENT UNIT AS A SPINDLE COMPRESSOR
#4 | 2020-10-01DISPLACEMENT COMPRESSOR SYSTEM FOR R-718
#5 | 2017-03-30Spindle compressor using refrigerant cooling for housing and rotor
#6 | 2015-04-30SPINDLE COMPRESSOR
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