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David V. Arel
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Richmond, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Propeller blade pitch control system
Patent number
8,439,640
Issue date
May 14, 2013
Hamilton Sundstrand Corporation
David V. Arel
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Controllable pitch propeller with electrical power generation
Patent number
8,162,611
Issue date
Apr 24, 2012
Hamilton Sundstrand Corporation
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Integrated actuator for a propeller system
Patent number
8,133,027
Issue date
Mar 13, 2012
Hamilton Sundstrand Corporation
Paul A. Carvalho
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Sacrificial blade tip
Patent number
8,118,562
Issue date
Feb 21, 2012
Hamilton Sundstrand Corporation
Mark Raes
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Propulsion system for an airship or hybrid aircraft
Patent number
7,871,035
Issue date
Jan 18, 2011
Hamilton Sundstrand Corporation
David V. Arel
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Driving device for raising or lowering an airfoil
Patent number
7,442,009
Issue date
Oct 28, 2008
Hamilton Sundstrand Corporation
David V. Arel
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Cyclic actuation system for a controllable pitch propeller and a me...
Patent number
6,981,844
Issue date
Jan 3, 2006
Hamilton Sundstrand
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
Permanent magnet alternator for a gas turbine engine
Patent number
6,769,874
Issue date
Aug 3, 2004
Hamilton Sundstrand
David Arel
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Propeller de-icing system
Patent number
6,753,513
Issue date
Jun 22, 2004
Hamilton Sundstrand
Joshua Goldberg
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
Counterweighted propeller control system
Patent number
5,897,293
Issue date
Apr 27, 1999
United Technologies Corporation
David Arel
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Grant
System and process for direct blade angle measurement in propulsion...
Patent number
5,865,599
Issue date
Feb 2, 1999
United Technologies Corporation
Robert W. Pruden
B64 - AIRCRAFT AVIATION COSMONAUTICS
Patents Applications
last 30 patents
Information
Patent Application
Sacrificial blade tip
Publication number
20100226776
Publication date
Sep 9, 2010
Hamilton Sundstrand Corporation
Mark Raes
B60 - VEHICLES IN GENERAL
Information
Patent Application
CONTROLLABLE PITCH PROPELLER WITH ELECTRICAL POWER GENERATION
Publication number
20100021295
Publication date
Jan 28, 2010
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
PROPELLER BLADE PITCH CONTROL SYSTEM
Publication number
20100014976
Publication date
Jan 21, 2010
David V. Arel
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
INTEGRATED ACTUATOR FOR A PROPELLER SYSTEM
Publication number
20100008779
Publication date
Jan 14, 2010
Paul A. Carvalho
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Propulsion system for an airship or hybrid aircraft
Publication number
20090072082
Publication date
Mar 19, 2009
Hamilton Sundstrand Corporation
David V. Arel
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
Driving device for raising or lowering an airfoil
Publication number
20080304962
Publication date
Dec 11, 2008
Hamilton Sundstrand Corporation
David V. Arel
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Driving device for raising or lowering an airfoil
Publication number
20070160473
Publication date
Jul 12, 2007
Hamilton Sundstrand Corporation
David V. Arel
F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information
Patent Application
Cyclic actuation system for a controllable pitch propeller and a me...
Publication number
20050079053
Publication date
Apr 14, 2005
Robert H. Perkinson
B64 - AIRCRAFT AVIATION COSMONAUTICS
Information
Patent Application
PERMANENT MAGNET ALTERNATOR FOR A GAS TURBINE ENGINE
Publication number
20040080234
Publication date
Apr 29, 2004
David Arel
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
Information
Patent Application
Propeller de-icing system
Publication number
20030178412
Publication date
Sep 25, 2003
Joshua Goldberg
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR