Grana Inc.
6Patents
0Active
6Granted
25Portfolio score
Filing activity: Apr 23, 1992 → Jun 15, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6213307A | Fluid-bed cleaner and grades sorter for particle form materials | Performing Operations; Transporting | 11 | Expired |
| US5406718A | Method and apparatus for drying particulate material | Mechanical Engineering; Lighting; Heating | 8 | Expired |
| US5366094A | Wind tunnel for cleaning and classifying solid particle form material | Performing Operations; Transporting | 8 | Expired |
| US5316685A | Method and apparatus for separating solids from liquid containing same | Performing Operations; Transporting | 5 | Expired |
| US5281278A | Wind tunnel for cleaning and classifying solid particle form material | Performing Operations; Transporting | 4 | Expired |
| US5458775A | Filtration apparatus for separating solids from liquid containing same | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.