La Crescenta, CA, United States of America

David Barnett Hall

This inventor holds 83 USPTO granted patents, plus 2 CIPO patents and 13 EPO patents, primarily in Interactive Networking (CPC class 356350). Top assignees: Litton Systems, Inc., Gregory a. Pearson, Inc., Northrop Grumman Systems Corporation. Active years: 1989-2020.

USPTO Granted Patents = 83

% Patents Active = 85.5

CIPO Patents = 2

EPO Patents = 13 (Patent Applications = 2)

Average Co-Inventor Count = 1.7

ph-index = 17

Forward Citations = 605(Granted Patents)

Forward Citations (Not Self Cited) = 557(Dec 10, 2025)

Inventors with similar research interests:

Location History:

Crescenta, CA (US) (1995)
Woodland Hills, CA (US) (1998)
Duncanville, TX (US) (2005)
La Crescents, CA (US) (2009 - 2011)
La Crescenta, CA (US) (1989 - 2017)
New Port Richey, FL (US) (2011 - 2020)

Company Filing History:

Gregory a. Pearson, Inc.

patents

12 out of 3,449

Northrop Grumman Systems Corporation

patents

4. 7 out of 74

Northrop Grumman Guidance and Electronics Company, Inc.

patents

5. 2 out of 12

Avalon Sciences Limited

patents

6. 1 out of 6

Chromux Technologies, Inc.

patents

7. 6 out of 834,411

Other

patents

Years Active: 1989-2020

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Areas of Expertise:

Picture-In-Picture

Dynamic Content Delivery

Optical Sensors

Social Networking

Graphical User Interface

User Classes

Order Fulfillment

Game-Based Communication

Robust Filters

Accelerometers

Networking Systems

Optoelectronics

83 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 10638082 - Systems and methods for picture-in-picture video conference functionality (2020-04-28),

2. 10515371 - Interactive networking systems with user classes (2019-12-24),

3. 10402462 - Robust filters for social networking environments (2019-09-03),

4. 10284718 - Methods for interactively exchanging graphical objects between networked users (2019-05-07),

5. 10075359 - Dynamic content delivery systems and methods for providing same (2018-09-11),

6. 10025865 - Robust filters for social networking environments (2018-07-17),

7. 10002331 - Order fulfillment systems (2018-06-19),

8. 9797755 - Damped fiber optic accelerometers, sensors, and sensor assemblies, and methods of assembling the same (2017-10-24),

9. 9769313 - Systems and methods for screening communications based on receiver programmable pins (2017-09-19),

10. 9684012 - Damped fiber optic accelerometers, sensors, and sensor assemblies, and methods of assembling the same (2017-06-20),

11. 9420024 - Dynamic content delivery systems and methods for providing same (2016-08-16),

12. 9403083 - Systems and methods for game-based modification of communications functionality (2016-08-02),

13. 9350773 - Customizable action cards for networking systems (2016-05-24),

14. 9275247 - Interactive networking systems with user classes (2016-03-01),

15. 9152936 - Methods for interactively exchanging graphical objects between networked users (2015-10-06),

Title: The Innovative Mind of David Barnett Hall

Introduction: David Barnett Hall, a talented inventor hailing from La Crescenta, CA, has made significant contributions to the world of technology and innovation.

Latest Patents: David Barnett Hall's latest patents include groundbreaking inventions in the field of renewable energy storage systems and advanced robotics technology.

Career Highlights: With a career spanning over two decades, David Barnett Hall has established himself as a pioneer in the development of cutting-edge solutions for sustainable energy and automation.

Collaborations: Throughout his career, David Barnett Hall has collaborated with leading research institutions, universities, and tech companies to bring his innovative ideas to life. His collaborative spirit has led to the successful implementation of several groundbreaking projects.

Conclusion: David Barnett Hall's passion for innovation and his relentless pursuit of technological advancement continue to inspire the next generation of inventors and engineers. His contributions to the field of technology have left an indelible mark on the industry, shaping the future of innovation for years to come.