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 = 151

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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 leading construction company specializing in commercial and residential projects. With a focus on quality and customer satisfaction, Ellcon National has built a strong reputation for delivering innovative and sustainable solutions. Our team of experienced professionals is committed to exceeding client expectations and ensuring project success from start to finish.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

23 Patents

#18 in Greenville, SC

#95 in South Carolina

#13,953 in US

#26,826 in the World

Greenville, SC, United States of America

Ellcon National, Inc.

Forward Citations = 151

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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