Inventor · Simpsonville, SC, US

David Richard Johns

20Patents
6h-index
30Co-inventors
65Inventor score

Filing activity: Dec 1, 2003 → Jun 3, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US8057182B2 Metered cooling slots for turbine blades Mechanical Engineering; Lighting; Heating 26 Active
US6945750B2 Turbine blade Mechanical Engineering; Lighting; Heating 10 Expired
US9528377B2 Method and system for cooling rotor blade angelwings Emerging Cross-Sectional Technologies 10 Active
US8668445B2 Variable turbine nozzle system Mechanical Engineering; Lighting; Heating 10 Active
US9528382B2 Airfoil heat shield Mechanical Engineering; Lighting; Heating 9 Active
US9810070B2 Turbine rotor blade for a turbine section of a gas turbine Mechanical Engineering; Lighting; Heating 6 Active
US7811054B2 Shroud configuration having sloped seal Mechanical Engineering; Lighting; Heating 6 Active
US9670785B2 Cooling assembly for a gas turbine system Mechanical Engineering; Lighting; Heating 4 Active
US9845690B1 System and method for sealing flow path components with front-loaded seal Mechanical Engineering; Lighting; Heating 3 Active
US9890653B2 Gas turbine bucket shanks with seal pins Mechanical Engineering; Lighting; Heating 2 Active
US8915087B2 Methods and systems for transferring heat from a transition nozzle Emerging Cross-Sectional Technologies 2 Active
US9765699B2 Gas turbine sealing Mechanical Engineering; Lighting; Heating 1 Active
US9938835B2 Method and systems for providing cooling for a turbine assembly Emerging Cross-Sectional Technologies 1 Active
US9243506B2 Methods and systems for cooling a transition nozzle Emerging Cross-Sectional Technologies 1 Active
US9771820B2 Gas turbine sealing Mechanical Engineering; Lighting; Heating 0 Active
US9194247B2 Rotating seal configuration and method of sealing a rotating member to a housing Mechanical Engineering; Lighting; Heating 0 Active
US8966910B2 Methods and systems for cooling a transition nozzle Emerging Cross-Sectional Technologies 0 Active
US9404378B2 Rotating seal configuration and method of sealing a rotating member to a housing Mechanical Engineering; Lighting; Heating 0 Active
US8444152B2 Spring seal assembly and method of sealing a gap Mechanical Engineering; Lighting; Heating 0 Active
US8678644B2 Hot gas path measurement Physics 0 Active

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