HDR Engineering, Inc.
4Patents
0Active
4Granted
26Portfolio score
Filing activity: Sep 24, 1993 → Dec 5, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD362902S | Gasket | General | 27 | Expired |
| US5755965A | Cyclonic de-gasser | Performing Operations; Transporting | 22 | Expired |
| US6387264B1 | Unified fermentation and thickening process | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5980613A | Pressurized radon stripper | Performing Operations; Transporting | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.