Inventor
David J. Wortman
Inventor
Hamilton, OH, US
Overview
Patents· 30 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C23Cprimary
C23CCoating metallic material33%
Y10TTechnical subjects covered by former us classification21%
F01DNon-positive displacement machines or engines, e.g. steam turbines15%
Y02TClimate change mitigation technologies related to transportation13%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants5%
C22CAlloys3%
H01JElectric discharge tubes or discharge lamps3%
B23PMetal-working not otherwise provided for1%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form1%
C03CChemical composition of glasses, glazes or vitreous enamels1%
PatentTitleYear
9,297,089'Coatings for gas turbine components'20168,545,185'Turbine engine components with environmental protection for interior passages'20137,306,859'Thermal barrier coating system and process therefor'20077,250,225'Gamma prime phase-containing nickel aluminide coating'20077,247,393'Gamma prime phase-containing nickel aluminide coating'20077,087,266'Thermal barrier coating and process therefor'20066,998,172'Thermally-stabilized thermal barrier coating'20066,946,034'Electron beam physical vapor deposition apparatus'20056,863,937'Method of operating an electron beam physical vapor deposition apparatus'20056,808,799'Thermal barrier coating on a surface'20046,620,465'Physical properties of thermal barrier coatings using electron beam-physical vapor deposition'20036,589,351'Electron beam physical vapor deposition apparatus and crucible therefor'20036,503,574'Method for producing an enhanced thermal barrier coating system'20036,458,473'Diffusion aluminide bond coat for a thermal barrier coating system and method therefor'20026,447,854'Method of forming a thermal barrier coating system'20026,391,475'Modified aluminum-containing protective coating and its preparation'20026,203,847'Coating of a discrete selective surface of an article'20016,054,184'Method for forming a multilayer thermal barrier coating'20006,042,880'Renewing a thermal barrier coating system'20005,981,088'Thermal barrier coating system'19995,942,334'Multilayer thermal barrier coating'19995,792,521'Method for forming a multilayer thermal barrier coating'19985,712,050'Superalloy component with dispersion-containing protective coating'19985,683,761'Alpha alumina protective coatings for bond-coated substrates and their preparation'19975,683,825'Thermal barrier coating resistant to erosion and impact by particulate matter'19975,427,866'Platinum, rhodium, or palladium protective coatings in thermal barrier coating systems'19955,419,971'Enhanced thermal barrier coating system'19955,418,003'Vapor deposition of ceramic materials'19955,240,518'Single crystal, environmentally-resistant gas turbine shroud'19934,148,936'Method for diffusion coating an Fe-Ni base alloy with chromium'1979Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1979–2013Patents assigned to GEN ELECTRIC (29)· patent assignee history
1979Based in West Chester, OH, US· patent location history
1993–2016Based in Hamilton, OH, US· patent location history
2002–2006Based in Niskayuna, NY, US· patent location history
2003Based in Schenectady, NY, US· patent location history
2013–2016Patents assigned to WORTMAN DAVID JOHN (2)· patent assignee history
2013Patents assigned to BRAMMER KATHLEEN DIANA (1)· patent assignee history
2016Patents assigned to BARSON COMPOSITES CORP (1)· patent assignee history
2016Patents assigned to BERGER CHARLES CLIFFORD (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 29 | 1979–2013 |
| WORTMAN DAVID JOHNself | 2 | 2013–2016 |
| BARSON COMPOSITES CORP | 1 | 2016 |
| BERGER CHARLES CLIFFORD | 1 | 2016 |
| BRAMMER KATHLEEN DIANA | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hamilton, OH, US | 20 | 1993–2016 |
| Niskayuna, New York, US | 8 | 2002–2006 |
| Schenectady, New York, US | 1 | 2003 |
| West Chester, OH, US | 1 | 1979 |