Patents for B64C - Aeroplanes; Helicopters (68) |
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10/14/2014 | US8857581 Dual spring rate damper |
09/13/2012 | US20120230823 Dual Spring Rate Damper |
05/22/2012 | US8181755 Dual spring rate damper |
09/14/2011 | CN102182787A Dual spring rate damper |
12/21/2010 | CA2544070C Ducted fan vtol vehicles |
11/09/2010 | US7828525 Soft in-plane tiltrotor hub |
06/22/2010 | CA2533201C Dual spring rate damper |
03/30/2010 | CA2533523C Soft in-plane rotor hub |
01/12/2010 | CA2522949C Pivoting panel for aircraft, and composite support piece |
12/15/2009 | US7631840 Pivoting panel for aircraft, and composite support piece |
03/19/2009 | US20090072090 Pivoting panel for aircraft, and composite support piece |
11/06/2008 | US20080272244 Hybrid Aircraft |
10/09/2008 | US20080247876 Soft In-Plane Tiltrotor Hub |
09/24/2008 | CN100420608C Soft in-plane rotor hub |
09/12/2007 | EP1831072A2 One-piece barrel assembly cart |
08/01/2007 | CN101010235A Hybrid aircraft |
06/21/2007 | US20070137956 Dual spring rate damper |
04/18/2007 | EP1773654A1 Hybrid aircraft |
12/07/2006 | WO2005000671A3 Deployable, rigidizable wing |
10/18/2006 | EP1711399A2 Ducted fan vtol vehicles |
10/04/2006 | CN1842463A Soft in-plane rotor hub |
10/04/2006 | CN1842422A Dual spring rate damper |
05/24/2006 | EP1658222A2 Soft in-plane rotor hub |
05/24/2006 | EP1658184A2 Dual spring rate damper |
04/12/2006 | EP1645504A2 Aircraft control surface and composite support element |
03/02/2006 | DE102004039770A1 Flügelanordnung Wing assembly |
02/22/2006 | EP1628112A1 Wing arrangement |
01/26/2006 | WO2005039972A3 Ducted fan vtol vehicles |
01/12/2006 | WO2006004416A1 Hybrid aircraft |
01/12/2006 | CA2572929A1 Hybrid aircraft |
12/15/2005 | WO2005035358A3 Geared wheel motor design |
08/04/2005 | WO2005049421A3 Soft in-plane rotor hub |
07/14/2005 | US20050151007 Deployable, rigidizable wing |
07/14/2005 | US20050151001 Compound helicopter |
06/15/2005 | CN1206131C Device for replacing airplane main structure |
06/02/2005 | WO2005049421A2 Soft in-plane rotor hub |
05/12/2005 | WO2005021990A3 Dual spring rate damper |
05/06/2005 | WO2005039972A2 Ducted fan vtol vehicles |
05/06/2005 | CA2718309A1 Ducted fan vtol vehicles |
04/28/2005 | WO2005005250A3 Compound helicopter |
04/21/2005 | WO2005035358A2 Geared wheel motor design |
03/10/2005 | WO2005021990A2 Dual spring rate damper |
01/20/2005 | WO2005005250A2 Compound helicopter |
01/06/2005 | WO2005000671A2 Deployable, rigidizable wing |
03/18/2004 | WO2004009440A3 Method of machining elongated workpieces utilizing ultrasonic workpiece modeling |
01/29/2004 | WO2004009440A2 Method of machining elongated workpieces utilizing ultrasonic workpiece modeling |
07/09/2003 | CN1428269A Device for replacing airplane main structure |
04/30/2003 | CN1106976C Method for removing and replacing major structural components |
11/02/2000 | EP0673476B1 Bearing monitoring with band pass filter or temperature and time delay |
10/20/1999 | CN1231979A Multi-beam method and apparatus for removing and replacing major structural components |
09/30/1998 | EP0866764A1 Multi-service common airframe-based aircraft |
09/27/1995 | EP0673476A1 Bearing assembly monitoring system |
01/17/1995 | US5381692 Bearing assembly monitoring system |
10/27/1994 | WO1994013968A3 Bearing assembly monitoring system |
06/23/1994 | WO1994013968A2 Bearing assembly monitoring system |
05/24/1994 | US5314143 Aircraft cabin construction |
04/04/1991 | CA2026331A1 Self-adjusting slide assembly for weight on gear switch |
02/10/1988 | EP0157875B1 Position and control system for helicopter blade actuation |
08/11/1987 | CA1225381A1 Free flyable structure |
09/02/1986 | US4609987 Aircraft guidance system for take off or go-around during severe wind shear |
05/27/1986 | CA1205159A1 Aircraft guidance system for take off or go-around during severe wind shear |
01/28/1986 | EP0157875A4 Position and control system for helicopter blade actuation. |
10/16/1985 | EP0157875A1 Position and control system for helicopter blade actuation. |
08/13/1985 | US4534524 Position and control system for helicopter blade actuation |
04/11/1985 | WO1985001490A1 Position and control system for helicopter blade actuation |
04/13/1982 | CA1121787A1 Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency |
01/27/1981 | US4247061 Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency |
01/23/1980 | EP0007317A2 Helicopter with stabilator detuned in antisymmetric vibration modes from main rotor wake excitation frequency |