Roderich W. Graff

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for adsorbing moisture from gases, especially air
- Patent number 5,215,555
- Issue date Jun 1, 1993
- Roderich Graff
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for adsorbing moisture from gases especially air
- Patent number 5,199,964
- Issue date Apr 6, 1993
- Roderich Graff
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method and apparatus for conveying dried plastic granulates
- Patent number 5,094,011
- Issue date Mar 10, 1992
- Roderich W. Graff
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method and apparatus for drying moist exhaust air from one or more...
- Patent number 4,509,272
- Issue date Apr 9, 1985
- Roderich W. Graff
- F26 - DRYING
Information Patent Grant
Method and apparatus for drying moist exhaust air from one or more...
- Patent number 4,413,426
- Issue date Nov 8, 1983
- Roderich W. Graff
- F26 - DRYING