Bretz; David H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bretz; David H..The latest application filed is for "passive purge injectors".
- Bretz; David H. - West Des Moines IA
- Bretz; David H. - Bloomfield Township Davis County
| Patent | Date |
|---|---|
| Air shrouds with air wipes Grant 10,731,860 - Donovan , et al. | 2020-08-04 |
| Additive layer manufacturing for fuel injectors Grant 10,317,084 - Siders , et al. | 2019-06-11 |
| Repairable fuel injector Grant 10,077,714 - Siders , et al. September 18, 2 | 2018-09-18 |
| Passive Purge Injectors App 20180238548 - Buelow; Philip E. O. ; et al. | 2018-08-23 |
| Tube strain relievers Grant 9,989,187 - Siders , et al. June 5, 2 | 2018-06-05 |
| Fuel Injectors App 20170146243 - Siders; Randall D. ; et al. | 2017-05-25 |
| Repairable Fuel Injector App 20170130652 - Siders; Randall D. ; et al. | 2017-05-11 |
| Air Shrouds With Air Wipes App 20160230997 - Donovan; Matthew R. ; et al. | 2016-08-11 |
| Liquid swirler flow control Grant 9,310,073 - Buelow , et al. April 12, 2 | 2016-04-12 |
| Methods of fabricating fuel injectors using laser additive deposition Grant 9,310,081 - Thomson , et al. April 12, 2 | 2016-04-12 |
| Liquid fuel swirler Grant 9,228,741 - Buelow , et al. January 5, 2 | 2016-01-05 |
| Staged pilots in pure airblast injectors for gas turbine engines Grant 9,046,039 - Williams , et al. June 2, 2 | 2015-06-02 |
| Tube Strain Relievers App 20140361531 - Siders; Randall D. ; et al. | 2014-12-11 |
| Methods Of Fabricating Fuel Injectors Using Laser Additive Deposition App 20130298403 - Thomson; Neal A. ; et al. | 2013-11-14 |
| Liquid Fuel Swirler App 20130200179 - Buelow; Philip E. O. ; et al. | 2013-08-08 |
| Liquid Swirler Flow Control App 20120228405 - Buelow; Philip E. O. ; et al. | 2012-09-13 |
| Lean direct injection atomizer for gas turbine engines Grant 8,156,746 - Buelow , et al. April 17, 2 | 2012-04-17 |
| Radially outward flowing air-blast fuel injection for gas turbine engine Grant 8,146,837 - Thomson , et al. April 3, 2 | 2012-04-03 |
| Radially outward flowing air-blast fuel injector for gas turbine engine Grant 8,128,007 - Thomson , et al. March 6, 2 | 2012-03-06 |
| Staged Pilots In Pure Airblast Injectors For Gas Turbine Engines App 20120047903 - Williams; Brandon P. ; et al. | 2012-03-01 |
| Air assisted simplex fuel nozzle Grant 8,057,220 - Bretz November 15, 2 | 2011-11-15 |
| Radially outward flowing air-blast fuel injection for gas turbine engine App 20110089264 - Thomson; Neal A. ; et al. | 2011-04-21 |
| Radially outward flowing air-blast fuel injector for gas turbine engine App 20110089262 - Thomson; Neal A. ; et al. | 2011-04-21 |
| Radially outward flowing air-blast fuel injector for gas turbine engine Grant 7,926,744 - Thomson , et al. April 19, 2 | 2011-04-19 |
| Lean direct injection atomizer for gas turbine engines App 20100287946 - Buelow; Philip E.O. ; et al. | 2010-11-18 |
| Lean direct injection atomizer for gas turbine engines Grant 7,779,636 - Buelow , et al. August 24, 2 | 2010-08-24 |
| Pre-filming air-blast fuel injector having a reduced hydraulic spray angle App 20090255258 - Bretz; David H. ; et al. | 2009-10-15 |
| Radially outward flowing air-blast fuel injector for gas turbine engine App 20090212139 - Thomson; Neal A. ; et al. | 2009-08-27 |
| Air assisted simplex fuel nozzle App 20090197214 - Bretz; David H. | 2009-08-06 |
| Lean direct injection atomizer for gas turbine engines App 20060248898 - Buelow; Philip E.O. ; et al. | 2006-11-09 |
| Air assist fuel nozzle App 20040139750 - Bretz, David H. | 2004-07-22 |
| Air assist fuel nozzle Grant 6,688,534 - Bretz February 10, 2 | 2004-02-10 |
| Air assist fuel nozzle App 20020125336 - Bretz, David H. | 2002-09-12 |
| Combination igniter and fuel atomizer nozzle assembly for a gas turbine engine Grant 5,491,972 - Bretz , et al. February 20, 1 | 1996-02-20 |
| Simplex airblast fuel injection Grant 5,224,333 - Bretz , et al. July 6, 1 | 1993-07-06 |
| Simplex airblade fuel injection method Grant 5,115,634 - Bretz , et al. May 26, 1 | 1992-05-26 |
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