For the Inventor, By the Inventor

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Havre de Grace, MD, United States of America

Efc Systems, Inc.

USPTO Granted Patents = 17

CIPO Patents = 1

EPO Patents = 5

Trademarks = 1

Forward Citations = 205

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10 inventors (with patents filed for the assignee):

Gunnar Van Der Steur (13 out of 20 patents)

Joseph Cichocki (8 out of 8 patents)

Greg Guyette (1 out of 4 patents)

4. Stephen Paul Dumelow (1 out of 1 patent)

5. Lance W Fleming, Jr (1 out of 1 patent)

6. Jeffrey Allen Dearborn (1 out of 6 patents)

7. John Hamilton Long (1 out of 1 patent)

8. John Bennett Hamilton (1 out of 1 patent)

9. Lewis Bryan Kefauver (1 out of 1 patent)

10. Kevin Dennis Luckey (1 out of 1 patent)

11. Joseph P Cichocki (0 patent)

17 patents: Sort by Forward Citations

1. 12264985 - Valve tester (2025-04-01),

2. 11420744 - Automated drone-based paint delivery system (2022-08-23),

3. 10413921 - Rotary bell cup atomizer with auxiliary turbine and vortex shaping air generator (2019-09-17),

4. 9970481 - Rotary coating atomizer having vibration damping air bearings (2018-05-15),

5. 9375735 - Rotary atomizer edge guard (2016-06-28),

6. 9375734 - Coating apparatus turbine having internally routed shaping air (2016-06-28),

7. 9173337 - GNSS optimized control system and method (2015-11-03),

8. 8973848 - Composite air bearing assembly (2015-03-10),

9. 8851397 - Bell cup atomizer having improved cleaning capability (2014-10-07),

10. 7056387 - Apparatus and method for electrostatic spraying of conductive coating materials (2006-06-06),

11. 6817553 - Powder paint spray coating apparatus having selectable, modular spray applicators (2004-11-16),

12. 6685106 - Paint spraying device (2004-02-03),

13. 6676049 - Bell cup powder spray applicator (2004-01-13),

14. 6619563 - Manifold block for flow control in coating applications (2003-09-16),

15. 6437963 - Method and apparatus for controlling power supplied to an electrostatic device (2002-08-20),

Efc Systems, Inc. is a technology-driven company based in Havre de Grace, Maryland, specializing in advanced software solutions and systems integration for various industries. The organization focuses on developing innovative applications that enhance operational efficiency and data management. With a commitment to research and development, Efc Systems leverages cutting-edge technologies to address complex challenges in sectors such as logistics, manufacturing, and telecommunications, ensuring their clients remain competitive in a rapidly evolving market.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#2 in Havre de Grace, MD

#262 in Maryland

#18,881 in US

#35,887 in the World

Havre de Grace, MD, United States of America

Efc Systems, Inc.

Forward Citations = 205

10 inventors:

Gunnar Van Der Steur (13 out of 20 patents)

Joseph Cichocki (8 out of 8 patents)

Greg Guyette (1 out of 4 patents)

4. Stephen Paul Dumelow (1 out of 1 patent)

5. Lance W Fleming, Jr (1 out of 1 patent)

Please report any incorrect information to [email protected]

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