For the Inventor, By the Inventor

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Charlotte, NC, United States of America

Indian Head Industries, Inc.

USPTO Granted Patents = 55

EPO Patents = 1

Trademarks = 9

Forward Citations = 798

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40 inventors (with patents filed for the assignee):

Ronald S Plantan (23 out of 67 patents)

Graydon J Choinski (12 out of 13 patents)

Richard J Rink (7 out of 8 patents)

4. Mark David Chandler (6 out of 7 patents)

5. Allen L Gummer (6 out of 6 patents)

6. David W Brooks (6 out of 7 patents)

7. Alan C Lesesky (5 out of 92 patents)

8. Thomas Edward Wallace (5 out of 12 patents)

9. Steve Lepard (4 out of 4 patents)

10. Duane M Juriga (4 out of 5 patents)

11. Henry T Dangson (4 out of 4 patents)

12. Christopher J Prager (4 out of 4 patents)

13. Glenn Singletary (3 out of 3 patents)

14. Walter E Heron (3 out of 3 patents)

15. Paul S Osterman (3 out of 3 patents)

Core Competencies:

Brake Monitoring System

Spring Brake Actuator

Electronic Stroke Sensor

Vehicle Monitoring System

Brake Actuator Assembly

Tamper-Resistant Design

Driveline Vehicle Parking Brake

Combined Valving System

Insulating Laminate

Perforate Diaphragm Alignment

Sealed Spring Brake Actuator

Expandable Gasket

55 patents: Sort by Forward Citations

1. 9909937 - Method of identifying and reducing lateral force of a coil spring (2018-03-06),

2. 9873419 - Brake monitoring assembly for a rail system (2018-01-23),

3. 9855940 - Electronic stroke sensor for air disc brake (2018-01-02),

4. 9440633 - Electronic stroke sensor for air disc brake with inspection port (2016-09-13),

5. 9440631 - Electronic stroke sensor for air disc brake (2016-09-13),

6. 8994523 - Brake monitoring system and method (2015-03-31),

7. 8616342 - Electronic stroke sensor for air disc brake (2013-12-31),

8. 8342076 - Brake actuator and method of forming the same (2013-01-01),

9. 6902043 - Driveline vehicle parking brake actuator (2005-06-07),

10. 6888451 - Method of monitoring the power spring of a spring brake actuator (2005-05-03),

11. 6753771 - Vehicle monitoring system (2004-06-22),

12. 6501375 - Brake monitoring system (2002-12-31),

13. 6480107 - Apparatus for assembly of brake monitor (2002-11-12),

14. 6417768 - Method of assembling a monitor on a brake actuator (2002-07-09),

15. 6411206 - Brake monitoring system (2002-06-25),

Indian Head Industries, Inc. is a leading manufacturing company that specializes in industrial machinery and equipment. With a rich history spanning over four decades, we have established ourselves as a trusted provider of innovative solutions for various industries. Our extensive product range includes advanced automation systems, precision machining tools, and customized solutions tailored to meet the unique needs of our clients. Through continuous research and development, we strive to deliver cutting-edge technology and superior quality products that optimize efficiency and productivity. Visit our website to learn more about our comprehensive range of offerings and how we can help enhance your business operations.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

55 Patents

#28 in Charlotte, NC

#143 in North Carolina

#6,231 in US

#12,535 in the World

Charlotte, NC, United States of America

Indian Head Industries, Inc.

Forward Citations = 798

40 inventors:

Ronald S Plantan (23 out of 67 patents)

Graydon J Choinski (12 out of 13 patents)

Richard J Rink (7 out of 8 patents)

4. Mark David Chandler (6 out of 7 patents)

5. Allen L Gummer (6 out of 6 patents)

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