Polar Ware Co.
6Patents
1Active
6Granted
30Portfolio score
Filing activity: Jun 12, 1987 → Jan 20, 2011 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4828112A | Metal transport pan | Performing Operations; Transporting | 54 | Expired |
| US5762226A | Steam-table-pan carrying cover with pan-retaining stop | Human Necessities | 21 | Expired |
| USD656778S1 | Food pan | General | 16 | Expired |
| US7866503B2 | Steam-table pan | Human Necessities | 8 | Active |
| US5632398A | Carrying cover for a steam table pan | Human Necessities | 6 | Expired |
| USD655979S1 | Handle for a serving utensil | General | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.