Roderich Wilhelm Graeff

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Darmstadt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method and device for drying of moist gases
- Patent number 5,688,305
- Issue date Nov 18, 1997
- Roderich Wilhelm Graeff
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Method for regeneration of an adsorbent material containing moistur...
- Patent number 5,659,974
- Issue date Aug 26, 1997
- Roderich Wilhelm Graeff
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Process and apparatus for regenerating a moist adsorption medium
- Patent number 5,566,468
- Issue date Oct 22, 1996
- Somos GmbH
- Roderich W. Graeff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL