For the Inventor, By the Inventor

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Salt Lake City, UT, United States of America

Won-door Corporation

USPTO Granted Patents = 94

CIPO Patents = 3

EPO Patents = 2

Trademarks = 1

Forward Citations = 1,022

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31 inventors (with patents filed for the assignee):

E Carl Goodman (53 out of 53 patents)

Michael D George (29 out of 32 patents)

William Michael Coleman (23 out of 24 patents)

4. W Michael Coleman (20 out of 20 patents)

5. D George Field (19 out of 25 patents)

6. Kevin D Banta (19 out of 19 patents)

7. Duane O Hall (14 out of 17 patents)

8. John G Garrett, Iii (12 out of 13 patents)

9. Craig Bell (10 out of 10 patents)

10. Tracy M Knight (10 out of 11 patents)

11. R Scott Smart (9 out of 9 patents)

12. Paul Saccomanno (8 out of 8 patents)

13. Ivan W Stewart (6 out of 6 patents)

14. Michael E Hazlett (6 out of 6 patents)

15. Mark B Laraway (5 out of 5 patents)

Core Competencies:

Movable Partitions

Control Systems

Folding Partitions

Leading End Assemblies

Automatic Drive Systems

Protective Clips

Tensioners

Speed Control

Monitoring Systems

Lateral Restraint Assemblies

Drive Modules

Sensor Assemblies

94 patents: Sort by Forward Citations

1. 12385305 - Leading end assemblies for movable partitions having an articulated leading member, and related systems and methods (2025-08-12),

2. 11764713 - Control system and movable folding partition (2023-09-19),

3. 11626828 - Control systems for folding partitions and related methods (2023-04-11),

4. 11585088 - Movable partition systems and related methods (2023-02-21),

5. 11063549 - System, method, and apparatus for high speed operation (2021-07-13),

6. 11021873 - Movable partition systems and related methods (2021-06-01),

7. 10745939 - Wireless transmitter and related systems and methods (2020-08-18),

8. 10711511 - Methods of forming a leading end assembly for a movable partition (2020-07-14),

9. 10697219 - Tensioners for movable partition systems, movable partition systems including such tensioners, and related methods (2020-06-30),

10. 10533360 - Systems and methods for monitoring automatic doors (2020-01-14),

11. 10359064 - Protective clips for movable partitions and related methods (2019-07-23),

12. 10253546 - Automatic drive systems, movable partition systems including such automatic drive systems, and related methods (2019-04-09),

13. 10199981 - System, method, and apparatus for high speed operation (2019-02-05),

14. 10017974 - Methods of installing at least a portion of a movable partition (2018-07-10),

15. 9752332 - Molding members for movable partition systems and header structures and components thereof, and related methods of installation (2017-09-05),

Won-Door Corporation is a leading manufacturer of horizontal sliding accordion fire doors and partitions. With over 40 years of industry experience, we provide innovative and reliable door solutions that meet the highest standards of safety and design. Our doors are used in a wide range of commercial, educational, healthcare, and hospitality facilities worldwide, offering superior fire protection while maximizing space and aesthetics. Visit our website to explore our products and discover how Won-Door Corporation can meet your fire door needs.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

94 Patents

#12 in Salt Lake City, UT

#38 in Utah

#3,839 in US

#7,951 in the World

Salt Lake City, UT, United States of America

Won-door Corporation

Forward Citations = 1,022

31 inventors:

E Carl Goodman (53 out of 53 patents)

Michael D George (29 out of 32 patents)

William Michael Coleman (23 out of 24 patents)

4. W Michael Coleman (20 out of 20 patents)

5. D George Field (19 out of 25 patents)

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