Otter Controls Limited
17Patents
3Active
17Granted
35Portfolio score
Filing activity: Oct 3, 1980 → May 19, 2022
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5428336A | Electric switches | Electricity | 21 | Expired |
| US6043467A | Thick film elements | Electricity | 12 | Expired |
| US4507642A | Snap-acting thermally-responsive bimetallic actuators | Electricity | 11 | Expired |
| US5793020A | Electrically heated water boiling vessels | Electricity | 11 | Expired |
| US5706390A | Electrically powered immersion heating elements and controls therefor | Human Necessities | 8 | Expired |
| US5635092A | Controls for electrically heated water boiling vessels | Electricity | 8 | Expired |
| US4752671A | Electric immersion heating elements and controls therefor | Electricity | 8 | Expired |
| US4539468A | Water boiling vessel immersion heater with primary and secondary thermal cut-out protection | Human Necessities | 7 | Expired |
| US5796327A | Thermally responsive electrical switches | Electricity | 6 | Expired |
| US4829280A | Thermal control units | Electricity | 3 | Expired |
| US4532488A | Electric motor protection switches | Electricity | 3 | Expired |
| US4486735A | Latch for a snap-action switch | Electricity | 3 | Expired |
| US4523173A | Electric switches | Electricity | 1 | Expired |
| US12338990B2 | Steam generator | Electricity | 0 | Active |
| US12405008B2 | Apparatus for controlling an air inlet valve for a solid fuel burner | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10945556B2 | Appliance for making beverages | Human Necessities | 0 | Active |
| US4341932A | Electric switches | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.