For the Inventor, By the Inventor

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Greenville, SC, United States of America

Ellcon National, Inc.

USPTO Granted Patents = 23

Trademarks = 1

Forward Citations = 152

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15 inventors (with patents filed for the assignee):

Mark Michel (8 out of 12 patents)

Robert W Shepherd (8 out of 8 patents)

Robert G Beacon (4 out of 5 patents)

4. Richard Barefoot (3 out of 4 patents)

5. Thomas S Head (2 out of 8 patents)

6. James D Wasness (2 out of 2 patents)

7. Wallace F Haverick (2 out of 2 patents)

8. Neal Dauber (2 out of 2 patents)

9. Robert Gayfer (1 out of 1 patent)

10. Daniel J Tearpock (1 out of 1 patent)

11. Paul P Sopt (1 out of 2 patents)

12. Daniel H Brushwood (1 out of 1 patent)

13. Paul C Gebhard (1 out of 3 patents)

14. Peter M Snider (1 out of 1 patent)

15. Daniel P O'Connor (1 out of 1 patent)

23 patents: Sort by Forward Citations

1. 8522823 - One-way check valve (2013-09-03),

2. 8172045 - Remote hand brake (2012-05-08),

3. 8033236 - Handbrake load indicator (2011-10-11),

4. 7878309 - Quick release hand brake (2011-02-01),

5. 7757825 - Quick release hand brake (2010-07-20),

6. 7559411 - Handbrake having input load limiter (2009-07-14),

7. 6913325 - Electrically operable vehicle parking brake drive (2005-07-05),

8. 6112860 - Vehicle brake status indicating apparatus (2000-09-05),

9. 5753987 - Generator apparatus coupled to side frame of vehicle and energized by (1998-05-19),

10. 5551766 - Empty/load sensor mechanism for controlled vehicle braking (1996-09-03),

11. 5507368 - Railway car truck mounted brake assembly with multiple piston air (1996-04-16),

12. 5361876 - Truck mounted brake apparatus (1994-11-08),

13. 5269594 - Load responsive air brake control valve for providing continuously (1993-12-14),

14. 5263422 - Protected gate lock for hopper cars (1993-11-23),

15. 5192119 - Protective cover for emply/load valve actuator (1993-03-09),

Ellcon National, Inc. is a prominent manufacturer specializing in advanced electrical and electronic components, primarily serving the aerospace and defense sectors. The company is known for its innovative solutions that enhance the performance and reliability of critical systems. Based in Greenville, SC, Ellcon National focuses on developing high-quality products that meet stringent industry standards, contributing to the safety and efficiency of various applications in challenging environments.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

23 Patents

#16 in Greenville, SC

#87 in South Carolina

#14,415 in US

#27,649 in the World

Greenville, SC, United States of America

Ellcon National, Inc.

Forward Citations = 152

15 inventors:

Mark Michel (8 out of 12 patents)

Robert W Shepherd (8 out of 8 patents)

Robert G Beacon (4 out of 5 patents)

4. Richard Barefoot (3 out of 4 patents)

5. Thomas S Head (2 out of 8 patents)

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