Assignee
HAMILTON SUNDSTRAND CORP
US3,765 patents
Top patents by PatentIndex Score
US9512783B2Dec 6, 2016
Aircraft fuel system
HAMILTON SUNDSTRAND CORP171 citations99
US8823448B1Sep 2, 2014
Feed forward active EMI filters
HAMILTON SUNDSTRAND CORP157 citations98
US7882691B2Feb 8, 2011
High to low pressure spool summing gearbox for accessory power extraction and electric start
HAMILTON SUNDSTRAND CORP120 citations98
US7837496B1Nov 23, 2010
Contactor mounting assembly with improved thermal characteristics
HAMILTON SUNDSTRAND CORP65 citations98
US7509968B2Mar 31, 2009
Flow control for on-board inert gas generation system
HAMILTON SUNDSTRAND CORP54 citations98
US7342332B2Mar 11, 2008
Air bearing and motor cooling
HAMILTON SUNDSTRAND CORP73 citations98
US6364938B1Apr 2, 2002
Sorbent system and method for absorbing carbon dioxide (CO2) from the atmosphere of a closed habitable environment
HAMILTON SUNDSTRAND CORP173 citations98
US6037752AMar 14, 2000
Fault tolerant starting/generating system
HAMILTON SUNDSTRAND CORP90 citations98
US7757502B2Jul 20, 2010
RAM fan system for an aircraft environmental control system
HAMILTON SUNDSTRAND CORP70 citations97
US6727609B2Apr 27, 2004
Cooling of a rotor for a rotary electric machine
HAMILTON SUNDSTRAND CORP121 citations97
US6504730B1Jan 7, 2003
Serviceable power modules for a power distribution assembly
HAMILTON SUNDSTRAND CORP86 citations97
US6375812B1Apr 23, 2002
Water electrolysis system
HAMILTON SUNDSTRAND CORP81 citations97
US6349412B1Feb 26, 2002
Medical cooling vest and system employing the same
HAMILTON SUNDSTRAND CORP104 citations97
US6260799B1Jul 17, 2001
Aircraft wing fold actuation system
HAMILTON SUNDSTRAND CORP113 citations97
US6167952B1Jan 2, 2001
Cooling apparatus and method of assembling same
HAMILTON SUNDSTRAND CORP117 citations97
US6084764AJul 4, 2000
Capacitor disconnecting assembly
HAMILTON SUNDSTRAND CORP106 citations97
US6011377AJan 4, 2000
Switched reluctance starter/generator system and method of controlling same
HAMILTON SUNDSTRAND CORP89 citations97
US7394175B2Jul 1, 2008
Integral motor and air bearing cooling path
HAMILTON SUNDSTRAND CORP85 citations96
US7367193B1May 6, 2008
Auxiliary power unit control method and system
HAMILTON SUNDSTRAND CORP54 citations96
US7334422B2Feb 26, 2008
Cabin air conditioning system with liquid cooling for power electronics
HAMILTON SUNDSTRAND CORP53 citations96
US7302801B2Dec 4, 2007
Lean-staged pyrospin combustor
HAMILTON SUNDSTRAND CORP97 citations96
US7104072B2Sep 12, 2006
Combined power main engine start system
HAMILTON SUNDSTRAND CORP53 citations96
US6735951B2May 18, 2004
Turbocharged auxiliary power unit with controlled high speed spool
HAMILTON SUNDSTRAND CORP65 citations96
US6704625B2Mar 9, 2004
Aircraft architecture with a reduced bleed aircraft secondary power system
HAMILTON SUNDSTRAND CORP84 citations96
US6681592B1Jan 27, 2004
Electrically driven aircraft cabin ventilation and environmental control system
HAMILTON SUNDSTRAND CORP89 citations96
US6422816B1Jul 23, 2002
Variable pitch propeller control system
HAMILTON SUNDSTRAND CORP79 citations96
US6321527B1Nov 27, 2001
Bi-level fuel pressurizing system
HAMILTON SUNDSTRAND CORP63 citations96
US6316841B1Nov 13, 2001
Integrated emergency power and environmental control system
HAMILTON SUNDSTRAND CORP77 citations96
US6182435B1Feb 6, 2001
Thermal and energy management method and apparatus for an aircraft
HAMILTON SUNDSTRAND CORP230 citations96
US6142418ANov 7, 2000
Multi-path secondary power system for an aircraft
HAMILTON SUNDSTRAND CORP86 citations96
US9118054B2Aug 25, 2015
Jet fuel based high pressure solid oxide fuel cell system
HAMILTON SUNDSTRAND CORP48 citations95
US7174273B2Feb 6, 2007
Filter monitoring system
HAMILTON SUNDSTRAND CORP61 citations95
US6845630B2Jan 25, 2005
Electric power and cooling system for an aircraft
HAMILTON SUNDSTRAND CORP51 citations95
US6462429B1Oct 8, 2002
Induction motor/generator system
HAMILTON SUNDSTRAND CORP79 citations95
US6415595B1Jul 9, 2002
Integrated thermal management and coolant system for an aircraft
HAMILTON SUNDSTRAND CORP268 citations95
US10232948B2Mar 19, 2019
Mixing bleed and ram air at a turbine inlet of a compressing device
HAMILTON SUNDSTRAND CORP21 citations94
US10224556B2Mar 5, 2019
Integrated fuel cell aircraft pressurization and cooling system
HAMILTON SUNDSTRAND CORP39 citations94
US10144517B2Dec 4, 2018
Mixing bleed and ram air using a two turbine architecture with an outflow heat exchanger
HAMILTON SUNDSTRAND CORP19 citations94
US10137993B2Nov 27, 2018
Mixing bleed and ram air using an air cycle machine with two turbines
HAMILTON SUNDSTRAND CORP22 citations94
US9963792B2May 8, 2018
Electrochemical gas separator for combustion prevention and suppression
HAMILTON SUNDSTRAND CORP22 citations94
US9623981B2Apr 18, 2017
Aircraft fuel tank ullage gas management system
HAMILTON SUNDSTRAND CORP21 citations94
US9413208B2Aug 9, 2016
Enhanced cooling of enclosed air cooled high power motors
HAMILTON SUNDSTRAND CORP33 citations94
US9353848B2May 31, 2016
Spline lubrication system
HAMILTON SUNDSTRAND CORP25 citations94
US8928293B1Jan 6, 2015
Systems for wound field synchronous machines with zero speed rotor position detection during start for motoring and improved transient response for generation
HAMILTON SUNDSTRAND CORP28 citations94
US8347647B2Jan 8, 2013
Air cycle machine for an aircraft environmental control system
HAMILTON SUNDSTRAND CORP35 citations94
US7942079B2May 17, 2011
Multi-speed gearbox for low spool driven auxiliary component
HAMILTON SUNDSTRAND CORP54 citations94
US6967461B1Nov 22, 2005
North-south pole determination for carrier injection sensorless position sensing systems
HAMILTON SUNDSTRAND CORP64 citations94
US6928832B2Aug 16, 2005
Electrically driven aircraft cabin ventilation and environmental control system
HAMILTON SUNDSTRAND CORP56 citations94
US6913636B2Jul 5, 2005
Low power nitrogen enriched air generation system
HAMILTON SUNDSTRAND CORP64 citations94
US6321187B1Nov 20, 2001
System reliability assessment tool
HAMILTON SUNDSTRAND CORP60 citations94
Showing the top 50 of 3,765 patents by PatentIndex Score.