Inventor · Grafton, VA, US

Danny O. Wright

46Patents
19h-index
20Co-inventors
81Inventor score

Filing activity: Dec 2, 1977 → Jun 30, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US5747684A Method and apparatus for accurately determining opening and closing times for automotive fuel injectors Mechanical Engineering; Lighting; Heating 70 Expired
US6035837A Bi-fuel liquid injection system for an internal combustion engine Emerging Cross-Sectional Technologies 60 Expired
US4433390A Power processing reset system for a microprocessor responding to sudden deregulation of a voltage Physics 58 Expired
US6476599B1 Sensorless method to determine the static armature position in an electronically controlled solenoid device Mechanical Engineering; Lighting; Heating 49 Expired
US6089467A Compressed natural gas injector with gaseous damping for armature needle assembly during opening Emerging Cross-Sectional Technologies 48 Expired
US5991143A Method for controlling velocity of an armature of an electromagnetic actuator Electricity 44 Expired
US6173915A Gaseous fuel injector with thermally stable solenoid coil Emerging Cross-Sectional Technologies 37 Expired
US4556943A Multiprocessing microprocessor based engine control system for an internal combustion engine Emerging Cross-Sectional Technologies 32 Expired
US5873335A Engine valve actuation control system Mechanical Engineering; Lighting; Heating 30 Expired
US4571996A Air flow sensor Physics 30 Expired
US4600993A Measuring barometric pressure with a manifold pressure sensor in a microprocessor based engine control system Mechanical Engineering; Lighting; Heating 29 Expired
US5507266A Fuel pressure control using hysteresis pump drive Emerging Cross-Sectional Technologies 28 Expired
US4929879A Microstepping of an unipolar stepping motor Electricity 27 Expired
US4558416A Method for maintaining the integrity of a dual microprocessor multiprocessing computing system Physics 25 Expired
US4238813A Compensated dual injector driver Electricity 22 Expired
US6285151A Method of compensation for flux control of an electromechanical actuator Electricity 21 Expired
US6128175A Apparatus and method for electronically reducing the impact of an armature in a fuel injector Electricity 21 Expired
US4855660A Microstepping of an unipolar stepping motor Electricity 20 Expired
US6422488B1 Compressed natural gas injector having gaseous dampening for armature needle assembly during closing Emerging Cross-Sectional Technologies 20 Expired
US6120005A Dual coil fuel injector having smart electronic switch Mechanical Engineering; Lighting; Heating 19 Expired
US6657847B1 Method of using inductance for determining the position of an armature in an electromagnetic solenoid Electricity 17 Expired
US4998520A Redundant reset for electronic throttle control Mechanical Engineering; Lighting; Heating 16 Expired
US6176207A Electronically controlling the landing of an armature in an electromechanical actuator Electricity 16 Expired
US4556955A Single crystal dual microprocessor computing system Physics 16 Expired
US6176226A Control method and apparatus for a heated tip injector Mechanical Engineering; Lighting; Heating 15 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.