Firma Fritz Eichenauer
Records under this name other than patents Firma Fritz Eichenauer holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
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| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,075,459 | Voltage tapping in electrical heating elements Term ended Term ended no later than Feb 21, 1998 · Low confidence | Term ended | Term ended no later than Feb 21, 1998 | Low confidence |
| US 4,079,233 | Heating element for electrical appliances having a blower Term ended Term ended no later than Mar 14, 1998 · Low confidence | Term ended | Term ended no later than Mar 14, 1998 | Low confidence |
| US 4,095,086 | Vaporizing and warming device for beverage-preparing machines Term ended Term ended no later than Jun 13, 1998 · Low confidence | Term ended | Term ended no later than Jun 13, 1998 | Low confidence |
| US 4,101,760 | Refractory granular embedding composition for electric heating coils Term ended Term ended no later than Jul 18, 1998 · Low confidence | Term ended | Term ended no later than Jul 18, 1998 | Low confidence |
| US 4,109,138 | Fan-heater appliance with adjustable fan speed Term ended Term ended no later than Aug 22, 1998 · Low confidence | Term ended | Term ended no later than Aug 22, 1998 | Low confidence |
| US 4,163,146 | Electrical heating element comprising a helix of wire wound on at least one insulating plate Term ended Term ended no later than Jul 31, 1999 · Low confidence | Term ended | Term ended no later than Jul 31, 1999 | Low confidence |
| US 4,191,880 | Heating element for electrical appliance having a blower Term ended Term ended no later than Mar 4, 2000 · Low confidence | Term ended | Term ended no later than Mar 4, 2000 | Low confidence |
| US 4,263,577 | Electric tubular heating body and process for its manufacture Term ended Term ended no later than Apr 21, 2001 · Low confidence | Term ended | Term ended no later than Apr 21, 2001 | Low confidence |
| US 4,313,049 | Electrical heating element for fluid media Term ended Term ended no later than Jan 26, 2002 · Low confidence | Term ended | Term ended no later than Jan 26, 2002 | Low confidence |
| US 4,321,456 | Electrical hot air appliance Term ended Term ended no later than Mar 23, 2002 · Low confidence | Term ended | Term ended no later than Mar 23, 2002 | Low confidence |