Inventor
David William Crall
Inventor
Loveland, OH, US
Overview
Patents· 36 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 turbines22%
F05DIndexing scheme for aspects relating to non-positive-displacement machines or engines, gas-turbines or jet-propulsion plants17%
Y02TClimate change mitigation technologies related to transportation16%
F04DNon-positive-displacement pumps14%
F02CGas-turbine plants7%
F02KJet-propulsion plants7%
Y10TTechnical subjects covered by former us classification5%
B23PMetal-working not otherwise provided for3%
B64DEquipment for fitting in or to aircraft2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
10,968,771Method and system for ice tolerant bleed takeoff202110,837,362Inlet cowl for a turbine engine202010,815,798Turbine engine blade with leading edge strip202010,815,886High tip speed gas turbine engine202010,731,470Frangible airfoil for a gas turbine engine202010,724,435Inlet pre-swirl gas turbine engine202010,711,797Inlet pre-swirl gas turbine engine202010,508,547Radial tie-bolt support spring201910,385,870Composite fan inlet blade containment201910,374,477Electric machine with separable magnet carrier20199,260,974'System and method for active clearance control'20168,727,721'Vane with spar mounted composite airfoil'20148,690,531'Vane with spar mounted composite airfoil'20148,662,834'Method for reducing tip rub loading'20148,657,570'Rotor blade with reduced rub loading'20148,123,463'Method and system for manufacturing a blade'20127,972,109'Methods and apparatus for fabricating a fan assembly for use with turbine engines'20117,780,410'Method and apparatus for gas turbine engines'20107,575,417'Reinforced fan blade'20097,497,662'Methods and systems for assembling rotatable machines'20097,246,990'Composite fan containment case for turbine engines'20077,018,168'Method and apparatus for fabricating gas turbine engines'20066,893,225'Metallic article with integral end band under compression'20056,672,838'Method for making a metallic article with integral end band under compression'20046,666,017'Counterrotatable booster compressor assembly for a gas turbine engine'20036,568,909'Methods and apparatus for improving engine operation'20036,478,545'Fluted blisk'20026,471,484'Methods and apparatus for damping rotor assembly vibrations'20026,454,535'Blisk'20026,439,838'Periodic stator airfoils'20025,988,980'Blade assembly with splitter shroud'19995,971,706'Inter-rotor bearing assembly'19995,809,772'Turbofan engine with a core driven supercharged bypass duct'19985,725,355'Adhesive bonded fan blade'19985,725,354'Forward swept fan blade'19985,562,419'Shrouded fan blisk'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2021Patents assigned to GEN ELECTRIC (36)· patent assignee history
1996–2021Based in Loveland, OH, US· patent location history
2012–2014Patents assigned to KRAY NICHOLAS JOSEPH (3)· patent assignee history
2014Patents assigned to CRALL DAVID W (2)· patent assignee history
2014Patents assigned to CRALL DAVID WILLIAM (2)· patent assignee history
2014Patents assigned to FARSON MAX ROBERT (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| GEN ELECTRIC | 36 | 1996–2021 |
| KRAY NICHOLAS JOSEPH | 3 | 2012–2014 |
| CRALL DAVID Wself | 2 | 2014 |
| CRALL DAVID WILLIAMself | 2 | 2014 |
| FARSON MAX ROBERT | 2 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Loveland, OH, US | 36 | 1996–2021 |