RG

Roderich W. Graff

📍 Ann Arbor, MI: #911 of 6,071 inventorsTop 20%
🗺 Michigan: #9,426 of 86,293 inventorsTop 15%
Overall (All Time): #526,353 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
5915816 Method and apparatus for preparing an adsorbent 1999-06-29
5215555 Method and apparatus for adsorbing moisture from gases, especially air 1993-06-01
5199964 Method and apparatus for adsorbing moisture from gases especially air 1993-04-06
5094011 Method and apparatus for conveying dried plastic granulates Achim Becker 1992-03-10
4918837 Device for generating a continuous stream of dried gases 1990-04-24
4870760 Method and an apparatus for drying bulk material, preferably of plastic granules 1989-10-03
4521977 Method and an apparatus for extracting gases and vapors from a drying hopper filled with bulk material 1985-06-11
4509272 Method and apparatus for drying moist exhaust air from one or more bulk material drying hoppers 1985-04-09
4481721 Method of and an apparatus for drying pulverulent materials 1984-11-13
4413426 Method and apparatus for drying moist exhaust air from one or more bulk material drying hoppers 1983-11-08