Osborn Engineering, Inc.
3Patents
0Active
3Granted
27Portfolio score
Filing activity: Jul 23, 1993 → May 16, 2005
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5437374A | Adjustable orifice trommel | Performing Operations; Transporting | 24 | Expired |
| US5423433A | Material separator apparatus | Performing Operations; Transporting | 7 | Expired |
| US7051880B1 | Air classifier to separate solids while eliminating emissions | Performing Operations; Transporting | 6 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.