Universal Packaging Corporation
4Patents
0Active
4Granted
29Portfolio score
Filing activity: Oct 26, 1981 → Mar 13, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5338921A | Method of distributing heat in food containers adapted for microwave cooking and novel container structure | Emerging Cross-Sectional Technologies | 51 | Expired |
| US4442656A | Filling and sealing machine for providing a flat bottom package | Performing Operations; Transporting | 28 | Expired |
| US5419486A | Multi-sided container | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5579989A | Multi-sided flip-top container | Performing Operations; Transporting | 11 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.