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Helmuth Koelzer
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Hurst, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Spinners for use on tiltrotor aircraft
Patent number
10,589,842
Issue date
Mar 17, 2020
Textron Innovations Inc.
Helmuth Peter Koelzer
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Tiltrotor aircraft having optimized hover capabilities
Patent number
10,421,540
Issue date
Sep 24, 2019
Bell Textron Inc.
Helmuth Peter Koelzer
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Method and apparatus for improving main rotor yoke fatigue life
Patent number
7,762,501
Issue date
Jul 27, 2010
Bell Helicopter TEXTRON Inc.
Ashok Agnihotri
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Information
Patent Application
Spinners for Use on Tiltrotor Aircraft
Publication number
20180339762
Publication date
Nov 29, 2018
BELL HELICOPTER TEXTRON INC.
Helmuth Peter Koelzer
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Method and apparatus for improving main rotor yoke fatigue life
Publication number
20070050099
Publication date
Mar 1, 2007
Bell Helicopter Textron Inc.
Ashok Agnihotri
B64 - AIRCRAFT AVIATION COSMONAUTICS