Robert Alan Johnson
38Patents
15h-index
46Co-inventors
81Inventor score
Filing activity: Oct 7, 1974 → Oct 18, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6243948A | Modification and repair of film cooling holes in gas turbine engine components | Emerging Cross-Sectional Technologies | 77 | Expired |
| US6141174A | Method of reading recorded information from a magnetic tape that compensates for track pitch changes | Physics | 59 | Expired |
| US6413578B1 | Method for repairing a thermal barrier coating and repaired coating formed thereby | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6402464B1 | Enhanced heat transfer surface for cast-in-bump-covered cooling surfaces and methods of enhancing heat transfer | Emerging Cross-Sectional Technologies | 48 | Expired |
| US4184689A | Seal structure for an axial flow rotary machine | Mechanical Engineering; Lighting; Heating | 47 | Expired |
| US6554571B1 | Curved turbulator configuration for airfoils and method and electrode for machining the configuration | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US6589600B1 | Turbine engine component having enhanced heat transfer characteristics and method for forming same | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US6630198B2 | Methods and apparatus for washing gas turbine engines | Mechanical Engineering; Lighting; Heating | 31 | Expired |
| US6468669B1 | Article having turbulation and method of providing turbulation on an article | Emerging Cross-Sectional Technologies | 30 | Expired |
| US6379528B1 | Electrochemical machining process for forming surface roughness elements on a gas turbine shroud | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US6416283B1 | Electrochemical machining process, electrode therefor and turbine bucket with turbulated cooling passage | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US4124312A | Impact printer with print wheel cartridge | Performing Operations; Transporting | 25 | Expired |
| US6526756B2 | Method and apparatus for enhancing heat transfer in a combustor liner for a gas turbine | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6546730B2 | Method and apparatus for enhancing heat transfer in a combustor liner for a gas turbine | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6879470B2 | Thin film recording head with a localized coating to protect against corrosion and electrostatic discharge | Physics | 15 | Expired |
| US6846575B2 | Article having turbulation and method of providing turbulation on an article | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6254341A | Engine having resistance to particle deposits | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6505673B1 | Method for forming a turbine engine component having enhanced heat transfer characteristics | Performing Operations; Transporting | 14 | Expired |
| US4526050A | Self-tensioning differential capstan cable drive mechanism | Emerging Cross-Sectional Technologies | 13 | Expired |
| US8060973B2 | Cleaning and personal care articles | Emerging Cross-Sectional Technologies | 13 | Active |
| US6743350B2 | Apparatus and method for rejuvenating cooling passages within a turbine airfoil | Performing Operations; Transporting | 13 | Expired |
| US6919121B2 | Component with repaired thermal barrier coating | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6598781B2 | Article having turbulation and method of providing turbulation on an article | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6426152B1 | Salvaged castings and methods of salvaging castings with defective cast cooling bumps | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6856484B2 | Magnetic servo of a recording head | Physics | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.