Inventor
PARSONS DOUGLAS A
US18 patents
⚠️ This page may combine multiple inventors who share the name “PARSONS DOUGLAS A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UNITED TECHNOLOGIES CORP
5 patentsUS5303142AApr 12, 1994
Control system for gas turbine helicopter engines and the like
UNITED TECHNOLOGIES CORP47 citations94
US5189620AFeb 23, 1993
Control system for gas turbine helicopter engines and the like
UNITED TECHNOLOGIES CORP78 citations94
US5051918ASep 24, 1991
Gas turbine stall/surge identification and recovery
UNITED TECHNOLOGIES CORP40 citations92
US5046923ASep 10, 1991
Helicopter autorotation detection and recovery
UNITED TECHNOLOGIES CORP37 citations92
US5029441AJul 9, 1991
Dynamic compensation to n-dot schedules
UNITED TECHNOLOGIES CORP16 citations73
HAMILTON SUNDSTRAND CORP
5 patentsUS7845177B2Dec 7, 2010
Metering demand fuel system
HAMILTON SUNDSTRAND CORP27 citations92
US7798781B2Sep 21, 2010
Metering pump with self-calibration and health prediction
HAMILTON SUNDSTRAND CORP10 citations81
US7479746B2Jan 20, 2009
Power converter for an electric engine start system
HAMILTON SUNDSTRAND CORP11 citations79
US7571596B2Aug 11, 2009
Vacuum system for membrane fuel stabilization unit
HAMILTON SUNDSTRAND CORP2 citations62
US7733037B2Jun 8, 2010
Integrated skid with multiple-motor controller
HAMILTON SUNDSTRAND CORP1 citations51
HAMILTON SUNDSTRAND
5 patentsUS7216487B2May 15, 2007
Metering demand fuel system for gas turbine engines
HAMILTON SUNDSTRAND32 citations92
US6786049B2Sep 7, 2004
Fuel supply control for a gas turbine including multiple solenoid valves
HAMILTON SUNDSTRAND25 citations86
US7140240B2Nov 28, 2006
Electric engine start system with inspection mode
HAMILTON SUNDSTRAND15 citations83
US6886665B2May 3, 2005
Lubrication system valve
HAMILTON SUNDSTRAND13 citations83
US7810309B2Oct 12, 2010
Fuel system utilizing dual mixing pump
HAMILTON SUNDSTRAND5 citations62