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Salt Lake City, UT, United States of America

Groen Brothers Aviation, Inc.

Calculating rank

USPTO Granted Patents = 34

% Expired Patents = 5.9

Forward Citations = 224

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9 inventors (with patents filed for the assignee):

Jacob Johannes Van Der Westhuizen (14 out of 18 patents)

Walter Gerd Oskar Sonneborn (6 out of 8 patents)

Robert Owen White (5 out of 7 patents)

4. David Groen (2 out of 6 patents)

5. Jehan Zeb Khan (2 out of 3 patents)

6. Cody Brandon Yarger (2 out of 2 patents)

7. McGregor Lee Corliss (2 out of 2 patents)

8. Eduard Oyzerskiy (1 out of 6 patents)

9. David Gerd Oskar Sonneborn (1 out of 1 patent)

Core Competencies:

Yaw Control

Rotor Blade Manufacturing

Thermal Management

Dynamic CG Management

Auxiliary Systems

Pitch Control

Roll Moment Equalization

Tip Jet Attachment

Blade Root Attachment

Heliplane Rotor

Composite Rotor Blade

Mission-Adaptive Rotor

34 patents: Sort by Forward Citations

1. 9278754 - Low speed autogyro yaw control apparatus and method (2016-03-08),

2. 9260186 - Oil lubricated swashplate (2016-02-16),

3. 9205919 - Apparatus and method for roll moment equalization at high advance ratios for rotary wing aircraft (2015-12-08),

4. 9205913 - Rotorcraft, dynamic, CG management apparatus and method (2015-12-08),

5. 9169009 - Hub-mounted auxilliary systems for tipjets in a reaction drive rotor system (2015-10-27),

6. 9144944 - Rotor blade spar manufacturing apparatus and method (2015-09-29),

7. 9139297 - Rotor blade subsystems attachment (2015-09-22),

8. 9120564 - Tip jet attachment apparatus and method (2015-09-01),

9. 9073631 - Feathering-spindle-bearing lubrication and temperature control (2015-07-07),

10. 9056674 - Detachable rotor blade fairing apparatus and method (2015-06-16),

11. 9038940 - Rotor configuration for reaction drive rotor system (2015-05-26),

12. 9022314 - Torsionally stiff rotorcraft control apparatus and method (2015-05-05),

13. 9022313 - Rotor unloading apparatus and method (2015-05-05),

14. 9004394 - Mission-adaptive rotor blade with circulation control (2015-04-14),

15. 8998127 - Pre-landing, rotor-spin-up apparatus and method (2015-04-07),

Company Overview

Groen Brothers Aviation, Inc. is a pioneering company based in Salt Lake City, Utah, specializing in the development and manufacturing of advanced aviation technologies. The company focuses on innovative aircraft designs, including vertical takeoff and landing (VTOL) solutions, aimed at enhancing urban mobility and transportation efficiency. Groen Brothers is committed to pushing the boundaries of aerospace engineering, leveraging cutting-edge research to create sustainable and efficient flight solutions for various applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Nov 3 2026

34 Patents

#42 in

#10,036 in

#19,674 in the World

Salt Lake City, UT, United States of America

Groen Brothers Aviation, Inc.

Forward Citations = 224

9 inventors:

Jacob Johannes Van Der Westhuizen (14 out of 18 patents)

Walter Gerd Oskar Sonneborn (6 out of 8 patents)

Robert Owen White (5 out of 7 patents)

4. David Groen (2 out of 6 patents)

5. Jehan Zeb Khan (2 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Groen Brothers Aviation, Inc.. Retrieved from https://idiyas.com/company/groen-brothers-aviation

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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