Inventor · Laona, WI, US

John Frederick Ackerman

63Patents
17h-index
93Co-inventors
87Inventor score

Filing activity: Sep 2, 1983 → Oct 21, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6649256B1 Article including particles oriented generally along an article surface and method for making Emerging Cross-Sectional Technologies 151 Expired
US5256244A Production of diffuse reflective coatings by atomic layer epitaxy Chemistry; Metallurgy 117 Expired
US5641984A Hermetically sealed radiation imager Electricity 104 Expired
US5707880A Hermetically sealed radiation imager Electricity 84 Expired
US5805973A Coated articles and method for the prevention of fuel thermal degradation deposits Emerging Cross-Sectional Technologies 75 Expired
US6473677B1 Method and apparatus for determining an effective jet engine maintenance schedule Mechanical Engineering; Lighting; Heating 43 Expired
US6627323B2 Thermal barrier coating resistant to deposits and coating method therefor Emerging Cross-Sectional Technologies 38 Expired
US5503874A Method for low temperature chemical vapor deposition of aluminides containing easily oxidized metals Chemistry; Metallurgy 34 Expired
US7208230B2 Optical reflector for reducing radiation heat transfer to hot engine parts Emerging Cross-Sectional Technologies 32 Expired
US5851679A Multilayer dielectric stack coated part for contact with combustion gases Mechanical Engineering; Lighting; Heating 32 Expired
US6630198B2 Methods and apparatus for washing gas turbine engines Mechanical Engineering; Lighting; Heating 31 Expired
US6018146A Radiant oven Electricity 22 Expired
US6207295A Article with tailorable high temperature coating Emerging Cross-Sectional Technologies 21 Expired
US8343589B2 Methods for making environmental barrier coatings and ceramic components having CMAS mitigation capability Chemistry; Metallurgy 19 Active
US8039113B2 Environmental barrier coatings providing CMAS mitigation capability for ceramic substrate components Emerging Cross-Sectional Technologies 18 Active
US4775203A Optical scattering free metal oxide films and methods of making the same Emerging Cross-Sectional Technologies 17 Expired
US8119247B2 Environmental barrier coatings providing CMAS mitigation capability for ceramic substrate components Emerging Cross-Sectional Technologies 17 Active
US5494704A Low temperature chemical vapor deposition of protective coating containing platinum Chemistry; Metallurgy 16 Expired
US6933066B2 Thermal barrier coating protected by tantalum oxide and method for preparing same Emerging Cross-Sectional Technologies 15 Expired
US5889590A Optical cavity sensor Physics 15 Expired
US6254341A Engine having resistance to particle deposits Emerging Cross-Sectional Technologies 14 Expired
US6921251B2 Aluminide or chromide coating of turbine engine rotor component Emerging Cross-Sectional Technologies 13 Expired
US8273470B2 Environmental barrier coatings providing CMAS mitigation capability for ceramic substrate components Emerging Cross-Sectional Technologies 13 Active
US6394755B1 Enhanced coating system for turbine airfoil applications Emerging Cross-Sectional Technologies 11 Expired
US5693368A Low temperature chemical vapor deposition method for cleaning substrate and depositing protective coating Chemistry; Metallurgy 11 Expired

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