Calphalon Corporation
89Patents
22Active
89Granted
39Portfolio score
Filing activity: Oct 17, 1997 → Feb 3, 2020 · 13 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD407600S | Cookware handle | General | 67 | Expired |
| USD482567S1 | Cookware handle | General | 60 | Expired |
| USD644473S1 | Toaster | General | 54 | Expired |
| USD439108S | Cookware handle | General | 50 | Expired |
| USD482562S1 | Cookware vessel | General | 49 | Expired |
| US6848592B2 | Cookware device and cover | Emerging Cross-Sectional Technologies | 45 | Expired |
| USD444347S | Cookware handle | General | 44 | Expired |
| USD662759S1 | Toaster oven | General | 42 | Active |
| USD677510S1 | Coffee maker | General | 40 | Active |
| USD408217S | Utensil handle | General | 38 | Expired |
| USD574182S1 | Bar pan | General | 36 | Expired |
| USD480911S1 | Handle | General | 33 | Expired |
| USD632126S1 | Grill | General | 32 | Expired |
| USD657993S1 | Slow cooker | General | 31 | Expired |
| USD433278S | Cookware handle | General | 31 | Expired |
| USD493349S1 | Handle | General | 30 | Expired |
| USD503585S1 | Handle | General | 30 | Expired |
| USD588858S1 | Waffle maker | General | 27 | Expired |
| USD588403S1 | Cookware handle | General | 26 | Expired |
| USD592452S1 | Cookware handle | General | 23 | Expired |
| USD596897S1 | Cookware handle | General | 23 | Expired |
| USD592451S1 | Gadget handle | General | 22 | Expired |
| USD598705S1 | Cookware handle | General | 21 | Expired |
| USD478787S1 | Cutlery block | General | 21 | Expired |
| USD557551S1 | Cookware | General | 20 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.