Sigma Industries, Inc.
8Patents
2Active
8Granted
43Portfolio score
Filing activity: Aug 12, 1997 → Aug 4, 2023 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD574661S1 | Pizza pan | General | 33 | Expired |
| USD539601S1 | Baking pan | General | 16 | Expired |
| USD599610S1 | Insulated baking pan | General | 16 | Expired |
| USD532249S1 | Baking pan | General | 11 | Expired |
| US8011292B1 | Insulated cooking utensil | Human Necessities | 5 | Active |
| US6049068A | Replaceable and retractable burner for an electrical range | Electricity | 4 | Expired |
| US5828038A | Replaceable and retractable burner for electric range | Electricity | 1 | Expired |
| USD1068860S1 | Electric lawn mower | General | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.