Ceramaspeed, Inc.
85Patents
1Active
85Granted
34Portfolio score
Filing activity: Oct 23, 1987 → Mar 21, 2007 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5270519A | Radiant heater having multiple heating zones | Electricity | 42 | Expired |
| US5171973A | Radiant electric heaters | Electricity | 28 | Expired |
| US5908571A | Radiant electric heater arrangement | Electricity | 24 | Expired |
| US5961867A | Method and apparatus for controlling an electric heater | Electricity | 24 | Expired |
| US5310993A | Device for controlling or limiting temperature in an electric cooking appliance | Electricity | 20 | Expired |
| US5043559A | Radiant electric heaters | Electricity | 18 | Expired |
| US6420684B2 | Asymmetric radiant electric heater with multiple heating zones | Electricity | 17 | Expired |
| USD323385S | Radiant stove heater | General | 17 | Expired |
| US5900174A | Cooking utensil detection method | Electricity | 17 | Expired |
| US6018149A | Radiant electric heater | Electricity | 16 | Expired |
| US5498854A | Radiant electric heater | Electricity | 15 | Expired |
| US6118106A | Apparatus for controlling an electric heater energized from a single voltage alternating current supply | Electricity | 15 | Expired |
| US5750959A | Electric heater | Electricity | 15 | Expired |
| USD326906S | Radiant stove heater | General | 14 | Expired |
| US5453597A | Electrical heating element and heater incorporating same | Emerging Cross-Sectional Technologies | 13 | Expired |
| USD395198S | Radiant grill heater | General | 12 | Expired |
| US7268324B2 | Electric cooking assembly with hot-warning indicator | Electricity | 11 | Expired |
| US5051561A | Radiant electric heaters | Electricity | 11 | Expired |
| USD369516S | Radiant stove heater | General | 10 | Expired |
| US4864105A | Radiant heaters | Electricity | 10 | Expired |
| US5512731A | Radiant electric heater | Electricity | 9 | Expired |
| US5977523A | Electric heating method | Electricity | 9 | Expired |
| USD557981S1 | Heater | General | 8 | Expired |
| US6034358A | Radiant electric heater | Electricity | 8 | Expired |
| US6067404A | Radiant electric heater with fabric covering sheet | Electricity | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.