Pifco Limited
8Patents
0Active
8Granted
26Portfolio score
Filing activity: Oct 3, 1975 → Jul 6, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5557704A | Heating vessel with chromium-enriched stainless steel substrate promoting adherence of thin film heater thereon | Electricity | 92 | Expired |
| US4345513A | Electric toaster | Emerging Cross-Sectional Technologies | 54 | Expired |
| US4345515A | Slidable brush and screw linear drive arrangement | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5702623A | Heating apparatus | Human Necessities | 10 | Expired |
| US5642725A | Liquid heating apparatus | Human Necessities | 5 | Expired |
| US4382176A | Temperature control arrangement for an electrical heating appliance | Electricity | 4 | Expired |
| US4375028A | Electric kettle | Electricity | 4 | Expired |
| US3981231A | Beverage-making apparatus | Human Necessities | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.