RALF STEFFENS

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ESSLINGEN, DE

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Patents Grantslast 30 patents

Information Patent Grant
Water-based refrigerant for a thermal working machine and thermal w...
- Patent number 12,061,023
- Issue date Aug 13, 2024
- Steffen Klein
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...
Information Patent Grant
Volume ratio for a R718* compressor
- Patent number 12,012,961
- Issue date Jun 18, 2024
- R-718 SPINDEL GBR
- Ralf Steffens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

Information Patent Application
VOLUME RATIO FOR A R718* COMPRESSOR
- Publication number 20230167823
- Publication date Jun 1, 2023
- R-718 SPINDEL GBR
- Ralf Steffens
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
Information Patent Application
WATER-BASED REFRIGERANT FOR A THERMAL WORKING MACHINE AND THERMAL W...
- Publication number 20210404715
- Publication date Dec 30, 2021
- STEFFEN KLEIN
- F25 - REFRIGERATION OR COOLING COMBINED HEATING AND REFRIGERATION SYSTEMS HEA...