Inventor
Steven Robert Brassfield
Inventor
Cincinnati, OH, US
Overview
Patents· 46 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F01Dprimary
F01DNon-positive displacement machines or engines, e.g. steam turbines34%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants27%
Y02TClimate change mitigation technologies related to transportation23%
Y10TTechnical subjects covered by former us classification5%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%
B22CFoundry moulding2%
B23PMetal-working not otherwise provided for2%
B22DCasting of metals1%
B23KSoldering or unsoldering1%
B63HMarine propulsion or steering1%
PatentTitleYear
11,131,213Engine component with cooling hole202111,053,809Turbine engine airfoil202111,021,969Turbine blade202110,975,704Engine component with cooling hole202110,968,750Component for a turbine engine with a hollow pin202110,844,728Turbine engine airfoil with a trailing edge202010,767,492Turbine engine airfoil202010,738,621Turbine airfoil with cast platform cooling circuit202010,697,301Turbine engine airfoil having a cooling circuit202010,648,342Engine component with cooling hole202010,563,519Engine component with cooling hole202010,508,548Turbine engine with a platform cooling circuit201910,443,403Investment casting core201910,443,398Turbine blade201910,370,978Turbine blade201910,208,605Turbine blade201910,174,620Turbine blade201910,100,647Turbine airfoil with cast platform cooling circuit20189,995,148Method and apparatus for cooling gas turbine and rotor blades20189,869,185'Rotating turbine component with preferential hole alignment'20189,840,920'Methods and apparatus for sealing a gas turbine engine rotor assembly'20179,033,652'Method and apparatus for cooling gas turbine rotor blades'20157,674,093'Cluster bridged casting core'20107,503,749'Turbine nozzle with trailing edge convection and film cooling'20097,387,492'Methods and apparatus for cooling turbine blade trailing edges'20087,377,746'Airfoil cooling circuits and method'20087,328,580'Chevron film cooled wall'20087,322,797'Damper cooled turbine blade'20087,296,973'Parallel serpentine cooled blade'20077,293,961'Zigzag cooled turbine airfoil'20077,217,092'Method and apparatus for reducing turbine blade temperatures'20077,140,835'Corner cooled turbine nozzle'20067,008,179'Turbine blade frequency tuned pin bank'20066,984,103'Triple circuit turbine blade'20066,672,829'Turbine blade having angled squealer tip'20046,474,948'Third-stage turbine bucket airfoil'20026,428,273'Truncated rib turbine nozzle'20026,382,908'Nozzle fillet backside cooling'20026,382,906'Floating spoolie cup impingement baffle'20026,158,962'Turbine blade with ribbed platform'20005,746,578'Retention system for bar-type damper of rotor'19985,641,267'Controlled leakage shroud panel'19975,593,277'Smart turbine shroud'19975,593,276'Turbine shroud hanger'19975,562,408'Isolated turbine shroud'19965,553,999'Sealable turbine shroud hanger'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2021Patents assigned to GEN ELECTRIC (46)· patent assignee history
1996–2021Based in Cincinnati, OH, US· patent location history
2008Based in Cinncinati, OH, US· patent location history
2015Patents assigned to BRASSFIELD STEVEN ROBERT (1)· patent assignee history
2015Patents assigned to JENDRIX RICHARD WILLIAM (1)· patent assignee history
2015Patents assigned to MARUSKO MARK WILLARD (1)· patent assignee history
2015Patents assigned to MOLTER STEVE MARK (1)· patent assignee history
2018–2020Based in West Chester, OH, US· patent location history
2020Based in Cincinatti, OH, US· patent location history
2021Based in North Bend, OH, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 46 | 1996–2021 |
| BRASSFIELD STEVEN ROBERTself | 1 | 2015 |
| JENDRIX RICHARD WILLIAM | 1 | 2015 |
| MARUSKO MARK WILLARD | 1 | 2015 |
| MOLTER STEVE MARK | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Cincinnati, OH, US | 41 | 1996–2021 |
| West Chester, OH, US | 2 | 2018–2020 |
| North Bend, OH, US | 1 | 2021 |
| Cincinatti, OH, US | 1 | 2020 |
| Cinncinati, OH, US | 1 | 2008 |