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 = 4

EPO Patents = 6

Trademarks = 5

Forward Citations = 197

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11 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. provides agricultural ERP software solutions for the agribusiness industry. With over 30 years of experience, EFC Systems offers a suite of integrated software modules that help streamline business operations and increase productivity. Their solutions include crop planning, inventory management, financial accounting, field mapping, and more. They serve a wide range of clients including grain elevators, seed processors, ethanol plants, feed manufacturers, and farm supply cooperatives. EFC Systems is committed to delivering efficient and cost-effective technology solutions to help agribusinesses succeed.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

17 Patents

#2 in Havre de Grace, MD

#250 in Maryland

#18,300 in US

#34,819 in the World

Havre de Grace, MD, United States of America

Efc Systems, Inc.

Forward Citations = 197

11 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)

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