David R. C. Cannal

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Marysville, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Sound absorbing duct for environmental control system
- Patent number 12,222,128
- Issue date Feb 11, 2025
- The Boeing Company
- Bryce A. Vandyke
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Sound absorbing duct for environmental control system
- Patent number 11,739,973
- Issue date Aug 29, 2023
- The Boeing Company
- Bryce A. Vandyke
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Sound absorbing duct with foam-filled honeycomb core for environmen...
- Patent number 11,712,872
- Issue date Aug 1, 2023
- The Boeing Company
- Douglas D. Maben
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SOUND ABSORBING DUCT FOR ENVIRONMENTAL CONTROL SYSTEM
- Publication number 20230358433
- Publication date Nov 9, 2023
- The Boeing Company
- Bryce A. Vandyke
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SOUND ABSORBING DUCT FOR ENVIRONMENTAL CONTROL SYSTEM
- Publication number 20200056803
- Publication date Feb 20, 2020
- The Boeing Company
- Bryce A. Vandyke
- F24 - HEATING RANGES VENTILATING
Information Patent Application
SOUND ABSORBING DUCT WITH FOAM-FILLED HONEYCOMB CORE FOR ENVIRONMEN...
- Publication number 20200056727
- Publication date Feb 20, 2020
- The Boeing Company
- Douglas D. Maben
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL