GROEN BROTHERS AVIATION, INC

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Salt Lake City, UT, US

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Patents Grantslast 30 patents

Information Patent Grant
Low speed autogyro yaw control apparatus and method
- Patent number 9,278,754
- Issue date Mar 8, 2016
- GROEN BROTHERS AVIATION, INC.
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Oil lubricated swashplate
- Patent number 9,260,186
- Issue date Feb 16, 2016
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotorcraft, dynamic, CG management apparatus and method
- Patent number 9,205,913
- Issue date Dec 8, 2015
- Groen Brothers Aviation, Inc.
- Jacob J. van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Apparatus and method for roll moment equalization at high advance r...
- Patent number 9,205,919
- Issue date Dec 8, 2015
- Groen Brothers Aviation, Inc.
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Hub-mounted auxilliary systems for tipjets in a reaction drive roto...
- Patent number 9,169,009
- Issue date Oct 27, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor blade spar manufacturing apparatus and method
- Patent number 9,144,944
- Issue date Sep 29, 2015
- Groen Brothers Aviation, Inc.
- Robert Owen White
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor blade subsystems attachment
- Patent number 9,139,297
- Issue date Sep 22, 2015
- Groen Brothers Aviation, Inc.
- Robert Owen White
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Tip jet attachment apparatus and method
- Patent number 9,120,564
- Issue date Sep 1, 2015
- Groen Brothers Aviation, Inc.
- Robert Owen White
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Feathering-spindle-bearing lubrication and temperature control
- Patent number 9,073,631
- Issue date Jul 7, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Detachable rotor blade fairing apparatus and method
- Patent number 9,056,674
- Issue date Jun 16, 2015
- Groen Brothers Aviation, Inc.
- Robert Owen White
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor configuration for reaction drive rotor system
- Patent number 9,038,940
- Issue date May 26, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor unloading apparatus and method
- Patent number 9,022,313
- Issue date May 5, 2015
- Groen Brothers Aviation, Inc.
- David Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Torsionally stiff rotorcraft control apparatus and method
- Patent number 9,022,314
- Issue date May 5, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Mission-adaptive rotor blade with circulation control
- Patent number 9,004,394
- Issue date Apr 14, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Pre-landing, rotor-spin-up apparatus and method
- Patent number 8,998,127
- Issue date Apr 7, 2015
- Groen Brothers Aviation, Inc.
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor-mast-tilting apparatus and method for lower flapping loads
- Patent number 8,991,745
- Issue date Mar 31, 2015
- Groen Brothers Aviation, Inc.
- Jehan Zeb Khan
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Solid lubricated blade pitch control system for use within a compre...
- Patent number 8,991,748
- Issue date Mar 31, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor-mast-tilting apparatus and method for optimized crossing of n...
- Patent number 8,991,744
- Issue date Mar 31, 2015
- Groen Brothers Aviation, Inc.
- Jehan Zeb Khan
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Blade root attachment apparatus and method
- Patent number 8,973,863
- Issue date Mar 10, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Use of auxiliary rudders for yaw control at low speed
- Patent number 8,960,594
- Issue date Feb 24, 2015
- Groen Brothers Aviation, Inc.
- David L. Groen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Heliplane rotor thermal management for maintaining dimensional stab...
- Patent number 8,950,699
- Issue date Feb 10, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotor driven auxiliary power apparatus and method
- Patent number 8,950,700
- Issue date Feb 10, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Mission-adaptive rotor blade
- Patent number 8,944,365
- Issue date Feb 3, 2015
- Groen Brothers Aviation, Inc.
- David L. Groen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Rotorcraft empennage mounting system
- Patent number 8,944,366
- Issue date Feb 3, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Tail fan apparatus and method for low speed yaw control of a rotorc...
- Patent number 8,939,395
- Issue date Jan 27, 2015
- Groen Brothers Aviation, Inc.
- Cody Brandon Yarger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Anemometer drive apparatus and method
- Patent number 8,939,394
- Issue date Jan 27, 2015
- Groen Brothers Aviation, Inc.
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Tail jet apparatus and method for low speed yaw control of a rotorc...
- Patent number 8,931,731
- Issue date Jan 13, 2015
- Groen Brothers Aviation, Inc.
- Cody Brandon Yarger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Fail safe, multiple source, tip-jet supply apparatus and method
- Patent number 8,931,728
- Issue date Jan 13, 2015
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Mast main bearing lubrication and thermal management
- Patent number 8,915,465
- Issue date Dec 23, 2014
- Groen Brothers Aviation, Inc.
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Grant
Composite rotor blade manufacturing method and apparatus
- Patent number 8,894,791
- Issue date Nov 25, 2014
- Groen Brothers Aviation, Inc.
- Robert Owen White
- B64 - AIRCRAFT AVIATION COSMONAUTICS

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Patents Applicationslast 30 patents

Information Patent Application
ROTOR DRIVEN AUXILIARY POWER APPARATUS AND METHOD
- Publication number 20170066539
- Publication date Mar 9, 2017
- GROEN BROTHERS AVIATION, INC
- Jacob J. van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
MISSION-ADAPTIVE ROTOR BLADE WITH CIRCULATION CONTROL
- Publication number 20160001881
- Publication date Jan 7, 2016
- GROEN BROTHERS AVIATION, INC
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
LOW SPEED AUTOGYRO YAW CONTROL APPARATUS AND METHOD
- Publication number 20150142219
- Publication date May 21, 2015
- GROEN BROTHERS AVIATION, INC
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
MISSION-ADAPTIVE ROTOR BLADE WITH CIRCULATION CONTROL
- Publication number 20130168491
- Publication date Jul 4, 2013
- GROEN BROTHERS AVIATION, INC
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTORCRAFT EMPENNAGE MOUNTING SYSTEM
- Publication number 20130037653
- Publication date Feb 14, 2013
- GROEN BROTHERS AVIATION, INC
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTORCRAFT, DYNAMIC, CG MANAGEMENT APPARATUS AND METHOD
- Publication number 20130037652
- Publication date Feb 14, 2013
- GROEN BROTHERS AVIATION, INC
- Jacob J. van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
LOW SPEED AUTOGYRO YAW CONTROL APPARATUS AND METHOD
- Publication number 20120312915
- Publication date Dec 13, 2012
- GROEN BROTHERS AVIATION, INC
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
REACTIVE DRIVE ROTOR HEAD WITH EXTERNAL SWASHPLATE
- Publication number 20120199692
- Publication date Aug 9, 2012
- GROEN BROTHERS AVIATION, INC
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR HUB AND BLADE ROOT FAIRING APPARATUS AND METHOD
- Publication number 20120175461
- Publication date Jul 12, 2012
- GROEN BROTHERS AVIATION, INC
- Jacob J. van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
PRE-LANDING, ROTOR-SPIN-UP APPARATUS AND METHOD
- Publication number 20120168556
- Publication date Jul 5, 2012
- GROEN BROTHERS AVIATION
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR UNLOADING APPARATUS AND METHOD
- Publication number 20120168568
- Publication date Jul 5, 2012
- GROEN BROTHERS AVIATION
- Walter Gerd Oskar Sonneborn
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
MISSION-ADAPTIVE ROTOR BLADE
- Publication number 20120153073
- Publication date Jun 21, 2012
- GROEN BROTHERS AVIATION, INC
- David L. Groen
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
DETACHABLE ROTOR BLADE FAIRING APPARATUS AND METHOD
- Publication number 20120156050
- Publication date Jun 21, 2012
- GROEN BROTHERS AVIATION, INC
- Robert Owen White
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTORCRAFT EMPENNAGE
- Publication number 20120111997
- Publication date May 10, 2012
- GROEN BROTHERS AVIATION, INC
- Robert Owen White
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
GYROPLANE PREROTATION BY COMPRESSED AIR
- Publication number 20120104153
- Publication date May 3, 2012
- GROEN BROTHERS AVIATION, INC
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
TAIL JET APPARATUS AND METHOD FOR LOW SPEED YAW CONTROL OF A ROTORC...
- Publication number 20120104155
- Publication date May 3, 2012
- GROEN BROTHERS AVIATION, INC
- Cody Brandon Yarger
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
USE OF AUXILIARY RUDDERS FOR YAW CONTROL AT LOW SPEED
- Publication number 20120104156
- Publication date May 3, 2012
- GROEN BROTHERS AVIATION, INC
- David L. Groen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
ROTOR DRIVEN AUXILIARY POWER APPARATUS AND METHOD
- Publication number 20120104157
- Publication date May 3, 2012
- GROEN BROTHERS AVIATION, INC
- Jacob Johannes van der Westhuizen
- B64 - AIRCRAFT AVIATION COSMONAUTICS
Information Patent Application
TAIL FAN APPARATUS AND METHODS FOR LOW SPEED YAW CONTROL OF A ROTOR...
- Publication number 20120104154
- Publication date May 3, 2012
- GROEN BROTHERS AVIATION, INC
- Cody Brandon Yarger
- B64 - AIRCRAFT AVIATION COSMONAUTICS

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Trademarklast 30 trademarks

Information Trademark
78102032 - HOMELAND DEFENDER
- Serial number 78102032
- Registration number 2806567
- Filing date Jan 10, 2002
- Groen Brothers Aviation, Inc.
- 12 - Vehicles

GROEN BROTHERS AVIATION, INC

Organization

Patents Grantslast 30 patents

Low speed autogyro yaw control apparatus and method

Oil lubricated swashplate

Rotorcraft, dynamic, CG management apparatus and method

Apparatus and method for roll moment equalization at high advance r...

Hub-mounted auxilliary systems for tipjets in a reaction drive roto...

Rotor blade spar manufacturing apparatus and method

Rotor blade subsystems attachment

Tip jet attachment apparatus and method

Feathering-spindle-bearing lubrication and temperature control

Detachable rotor blade fairing apparatus and method

Rotor configuration for reaction drive rotor system

Rotor unloading apparatus and method

Torsionally stiff rotorcraft control apparatus and method

Mission-adaptive rotor blade with circulation control

Pre-landing, rotor-spin-up apparatus and method

Rotor-mast-tilting apparatus and method for lower flapping loads

Solid lubricated blade pitch control system for use within a compre...

Rotor-mast-tilting apparatus and method for optimized crossing of n...

Blade root attachment apparatus and method

Use of auxiliary rudders for yaw control at low speed

Heliplane rotor thermal management for maintaining dimensional stab...

Rotor driven auxiliary power apparatus and method

Mission-adaptive rotor blade

Rotorcraft empennage mounting system

Tail fan apparatus and method for low speed yaw control of a rotorc...

Anemometer drive apparatus and method

Tail jet apparatus and method for low speed yaw control of a rotorc...

Fail safe, multiple source, tip-jet supply apparatus and method

Mast main bearing lubrication and thermal management

Composite rotor blade manufacturing method and apparatus

Patents Applicationslast 30 patents

ROTOR DRIVEN AUXILIARY POWER APPARATUS AND METHOD

MISSION-ADAPTIVE ROTOR BLADE WITH CIRCULATION CONTROL

LOW SPEED AUTOGYRO YAW CONTROL APPARATUS AND METHOD

MISSION-ADAPTIVE ROTOR BLADE WITH CIRCULATION CONTROL

ROTORCRAFT EMPENNAGE MOUNTING SYSTEM

ROTORCRAFT, DYNAMIC, CG MANAGEMENT APPARATUS AND METHOD

LOW SPEED AUTOGYRO YAW CONTROL APPARATUS AND METHOD

REACTIVE DRIVE ROTOR HEAD WITH EXTERNAL SWASHPLATE

ROTOR HUB AND BLADE ROOT FAIRING APPARATUS AND METHOD

PRE-LANDING, ROTOR-SPIN-UP APPARATUS AND METHOD

ROTOR UNLOADING APPARATUS AND METHOD

MISSION-ADAPTIVE ROTOR BLADE

DETACHABLE ROTOR BLADE FAIRING APPARATUS AND METHOD

ROTORCRAFT EMPENNAGE

GYROPLANE PREROTATION BY COMPRESSED AIR

TAIL JET APPARATUS AND METHOD FOR LOW SPEED YAW CONTROL OF A ROTORC...

USE OF AUXILIARY RUDDERS FOR YAW CONTROL AT LOW SPEED

ROTOR DRIVEN AUXILIARY POWER APPARATUS AND METHOD

TAIL FAN APPARATUS AND METHODS FOR LOW SPEED YAW CONTROL OF A ROTOR...

Trademarklast 30 trademarks

78102032 - HOMELAND DEFENDER