Kone Elevator GmbH
Records under this name other than patents Kone Elevator GmbH holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 4,700,810 | Method of controlling an elevator Term ended Term ended no later than Oct 20, 2007 · Low confidence | Term ended | Term ended no later than Oct 20, 2007 | Low confidence |
| US 4,737,900 | Method of and apparatus for controlling the braking resistor of a frequency converter Term ended Term ended no later than Apr 12, 2008 · Low confidence | Term ended | Term ended no later than Apr 12, 2008 | Low confidence |
| US 4,750,590 | Counteracting elevator car oscillation Term ended Term ended no later than Jun 14, 2008 · Low confidence | Term ended | Term ended no later than Jun 14, 2008 | Low confidence |
| US 4,753,323 | Safety system for closing doors Term ended Term ended no later than Jun 28, 2008 · Low confidence | Term ended | Term ended no later than Jun 28, 2008 | Low confidence |
| US 4,756,388 | Elevator with traction sheave Term ended Term ended no later than Jul 12, 2008 · Low confidence | Term ended | Term ended no later than Jul 12, 2008 | Low confidence |
| US 4,774,650 | Method for directing power between three-phase mains and a d.c. circuit Term ended Term ended no later than Sep 27, 2008 · Low confidence | Term ended | Term ended no later than Sep 27, 2008 | Low confidence |
| US 4,791,346 | Elevator motor control Term ended Term ended no later than Dec 13, 2008 · Low confidence | Term ended | Term ended no later than Dec 13, 2008 | Low confidence |
| US 4,799,139 | Voltage regulation for three-phase inverters Term ended Term ended no later than Jan 17, 2009 · Low confidence | Term ended | Term ended no later than Jan 17, 2009 | Low confidence |
| US 4,800,386 | Method of and apparatus for counting objects Term ended Term ended no later than Jan 24, 2009 · Low confidence | Term ended | Term ended no later than Jan 24, 2009 | Low confidence |
| US 4,805,741 | Elevator brake Term ended Term ended no later than Feb 21, 2009 · Low confidence | Term ended | Term ended no later than Feb 21, 2009 | Low confidence |