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David R. Danielson
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Suffield, CT, US
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-element propeller blade deicer scheme for balanced three-phas...
Patent number
12,116,138
Issue date
Oct 15, 2024
Hamilton Sundstrand Corporation
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Propeller blade pitch angle feedback from actuator rotation
Patent number
11,479,339
Issue date
Oct 25, 2022
Hamilton Sundstrand Corporation
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Counter-rotating open-rotor (CROR)
Patent number
9,718,536
Issue date
Aug 1, 2017
Hamilton Sundstrand Corporation
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Simplified propeller balancing system and method
Patent number
9,512,728
Issue date
Dec 6, 2016
Hamilton Sundstrand Corporation
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Propeller blade pitch actuation system
Patent number
9,120,559
Issue date
Sep 1, 2015
Hamilton Sundstrand Corporation
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Counter-rotating open-rotor (CROR)
Patent number
9,051,044
Issue date
Jun 9, 2015
Hamilton Sundstrand Corporation
Eric J. Talasco
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Retractable contact assembly
Patent number
8,894,418
Issue date
Nov 25, 2014
Hamilton Sundstrand Corporation
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Control logic for a propeller system
Patent number
8,651,811
Issue date
Feb 18, 2014
Hamilton Sundstrand
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Electrical system for driving a propeller pitch change mechanism
Patent number
8,167,553
Issue date
May 1, 2012
Hamilton Sundstrand Corporation
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Actuation system for a controllable pitch propeller
Patent number
6,811,376
Issue date
Nov 2, 2004
Hamilton Sundstrand
David V. Arel
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Grant
Variable pitch propeller control system
Patent number
6,422,816
Issue date
Jul 23, 2002
Hamilton Sundstrand Corporation
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Electronic propeller control system
Patent number
6,059,528
Issue date
May 9, 2000
United Technologies Corporation
David Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Information
Patent Application
MULTI-ELEMENT PROPELLER BLADE DEICER SCHEME FOR BALANCED THREE-PHAS...
Publication number
20210300573
Publication date
Sep 30, 2021
HAMILTON SUNDSTRAND CORPORATION
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
PROPELLER BLADE PITCH ANGLE FEEDBACK FROM ACTUATOR ROTATION
Publication number
20210206474
Publication date
Jul 8, 2021
HAMILTON SUNDSTRAND CORPORATION
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Simplified Propeller Balancing System and Method
Publication number
20140322009
Publication date
Oct 30, 2014
Hamilton Sundstrand Corporation
Robert H. Perkinson
G01 - MEASURING TESTING
Information
Patent Application
RETRACTABLE CONTACT ASSEMBLY
Publication number
20140120744
Publication date
May 1, 2014
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
PROPELLER BLADE PITCH ACTUATION SYSTEM
Publication number
20130280065
Publication date
Oct 24, 2013
Hamilton Sundstrand Corporation
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
COUNTER-ROTATING OPEN-ROTOR (CROR)
Publication number
20110286841
Publication date
Nov 24, 2011
Eric J. Talasco
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
COUNTER-ROTATING OPEN-ROTOR (CROR)
Publication number
20110286842
Publication date
Nov 24, 2011
David R. Danielson
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
ELECTRICAL SYSTEM FOR DRIVING A PROPELLER PITCH CHANGE MECHANISM
Publication number
20100310368
Publication date
Dec 9, 2010
Hamilton Sundstrand Corporation
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Control logic for a propeller system
Publication number
20070110577
Publication date
May 17, 2007
Hamilton Sundstrand
David R. Danielson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Actuation system for a controllable pitch propeller
Publication number
20030180146
Publication date
Sep 25, 2003
David V. Arel
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT