Ballman; Steven Mark
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ballman; Steven Mark.The latest application filed is for "gas turbine engine with separable shaft and seal assembly".
- Ballman; Steven Mark - West Chester OH
| Patent | Date |
|---|---|
| Gas turbine engine with separable shaft and seal assembly Grant 11,203,934 - Kray , et al. December 21, 2 | 2021-12-21 |
| Gas Turbine Engine with Separable Shaft and Seal Assembly App 20210032992 - Kray; Nicholas Joseph ; et al. | 2021-02-04 |
| Methods and apparatus for operating gas turbine engines Grant 7,344,354 - Lammas , et al. March 18, 2 | 2008-03-18 |
| Methods and apparatus for operating gas turbine engines App 20070053770 - Lammas; Andrew John ; et al. | 2007-03-08 |
| Chemical milling of gas turbine engine blisks App 20040045936 - Davis, Brian Michael ; et al. | 2004-03-11 |
| Chemical milling of gas turbine engine blisks App 20020125215 - Davis, Brian Michael ; et al. | 2002-09-12 |
| Eccentric balanced blisk Grant 6,354,780 - Davis , et al. March 12, 2 | 2002-03-12 |
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