Inventor · West Newbury, MA, US

Stephen John Howell

37Patents
15h-index
20Co-inventors
81Inventor score

Filing activity: Jan 14, 1988 → Oct 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5117637A Combustor dome assembly Mechanical Engineering; Lighting; Heating 78 Expired
US4854127A Bimodal swirler injector for a gas turbine combustor Emerging Cross-Sectional Technologies 61 Expired
US6314739A Brazeless combustor dome assembly Mechanical Engineering; Lighting; Heating 50 Expired
US6968699B2 Sector staging combustor Mechanical Engineering; Lighting; Heating 42 Expired
US7216488B2 Methods and apparatus for cooling turbine engine combustor ignition devices Emerging Cross-Sectional Technologies 40 Expired
US5265425A Aero-slinger combustor Emerging Cross-Sectional Technologies 30 Expired
US5930999A Fuel injector and multi-swirler carburetor assembly Mechanical Engineering; Lighting; Heating 30 Expired
US6952927B2 Multiport dome baffle Mechanical Engineering; Lighting; Heating 29 Expired
US6199367A Air modulated carburetor with axially moveable fuel injector tip and swirler assembly responsive to fuel pressure Mechanical Engineering; Lighting; Heating 26 Expired
US6735950B1 Combustor dome plate and method of making the same Emerging Cross-Sectional Technologies 25 Expired
US7093440B2 Floating liner combustor Emerging Cross-Sectional Technologies 22 Expired
US7036316B2 Methods and apparatus for cooling turbine engine combustor exit temperatures Mechanical Engineering; Lighting; Heating 22 Expired
US6354085B1 Fuel injector with a fuel filter arrangement for a gas turbine engine Mechanical Engineering; Lighting; Heating 21 Expired
US6266961A Film cooled combustor liner and method of making the same Emerging Cross-Sectional Technologies 21 Expired
US10317085B2 Combustor assembly Emerging Cross-Sectional Technologies 16 Active
USD593138S1 Combined refrigerated display and newspaper stand General 13 Expired
US7152411B2 Rabbet mounted combuster Mechanical Engineering; Lighting; Heating 12 Expired
US7051532B2 Methods and apparatus for film cooling gas turbine engine combustors Emerging Cross-Sectional Technologies 9 Expired
US7093419B2 Methods and apparatus for operating gas turbine engine combustors Mechanical Engineering; Lighting; Heating 9 Expired
USD511176S1 Refrigerator General 7 Expired
US7131273B2 Gas turbine engine carburetor with flat retainer connecting primary and secondary swirlers Mechanical Engineering; Lighting; Heating 7 Expired
US7721437B2 Methods for assembling gas turbine engine combustors Emerging Cross-Sectional Technologies 7 Active
USD647113S1 Refrigerator General 5 Expired
US10473332B2 Combustor assembly Mechanical Engineering; Lighting; Heating 3 Active
US6955038B2 Methods and apparatus for operating gas turbine engine combustors Mechanical Engineering; Lighting; Heating 3 Expired

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