David H. Bretz
18Patents
8h-index
15Co-inventors
69Inventor score
Filing activity: Mar 13, 1990 → Nov 23, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6688534B2 | Air assist fuel nozzle | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US5224333A | Simplex airblast fuel injection | Mechanical Engineering; Lighting; Heating | 43 | Expired |
| US7779636B2 | Lean direct injection atomizer for gas turbine engines | Mechanical Engineering; Lighting; Heating | 29 | Active |
| US7926744B2 | Radially outward flowing air-blast fuel injector for gas turbine engine | Mechanical Engineering; Lighting; Heating | 21 | Active |
| US5115634A | Simplex airblade fuel injection method | Performing Operations; Transporting | 18 | Expired |
| US5491972A | Combination igniter and fuel atomizer nozzle assembly for a gas turbine engine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US8146837B2 | Radially outward flowing air-blast fuel injection for gas turbine engine | Mechanical Engineering; Lighting; Heating | 12 | Active |
| US8128007B2 | Radially outward flowing air-blast fuel injector for gas turbine engine | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US8057220B2 | Air assisted simplex fuel nozzle | Mechanical Engineering; Lighting; Heating | 7 | Active |
| US9310073B2 | Liquid swirler flow control | Mechanical Engineering; Lighting; Heating | 5 | Active |
| US10077714B2 | Repairable fuel injector | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US8156746B2 | Lean direct injection atomizer for gas turbine engines | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US9046039B2 | Staged pilots in pure airblast injectors for gas turbine engines | Emerging Cross-Sectional Technologies | 4 | Active |
| US9989187B2 | Tube strain relievers | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US10731860B2 | Air shrouds with air wipes | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US10317084B2 | Additive layer manufacturing for fuel injectors | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9310081B2 | Methods of fabricating fuel injectors using laser additive deposition | Emerging Cross-Sectional Technologies | 1 | Active |
| US9228741B2 | Liquid fuel swirler | Mechanical Engineering; Lighting; Heating | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.