For the Inventor, By the Inventor

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Huntington, WV, United States of America

Richwood Industries Inc.

USPTO Granted Patents = 21

CIPO Patents = 1

Trademarks = 16

Forward Citations = 190

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9 inventors (with patents filed for the assignee):

Richard Davis Stoll (11 out of 11 patents)

Christopher Scott Smith (9 out of 20 patents)

Glenn Edward Farrow (7 out of 11 patents)

4. Donald L Stoll (4 out of 5 patents)

5. Lewis D Stoll (3 out of 3 patents)

6. Jerry A Roseberry (2 out of 2 patents)

7. Blaine R Stoll (2 out of 2 patents)

8. Chandragupta M Gharpurey (1 out of 1 patent)

9. Robert M Streszoff (1 out of 1 patent)

10. Richard D Stoll (0 patent)

21 patents: Sort by Forward Citations

1. 9415946 - Replaceable blade for reversible belt scraper (2016-08-16),

2. 9174802 - Bulk materials transfer chute lining (2015-11-03),

3. 8556064 - Double edged belt scraper blade (2013-10-15),

4. 8033386 - Skirtboard apparatus, system and method (2011-10-11),

5. D543002 - Tread pattern for pulley lagging (2007-05-15),

6. D524009 - Scalper blade for a conveyor belt cleaner (2006-06-27),

7. 7051862 - Conveyor belt cleaner assembly including scalper blade (2006-05-30),

8. 7004304 - Conveyor belt cleaner assembly including adjustment mechanism (2006-02-28),

9. 6991088 - Conveyor belt cleaner assembly including blade support assembly (2006-01-31),

10. 6928944 - Protective bumper for towboats (2005-08-16),

11. 6695123 - Conveyor belt cleaner blade (2004-02-24),

12. 6394262 - Impact idler roller system for conveyor belt (2002-05-28),

13. 6056111 - Blade holder for conveyor belt reversible scraper blade (2000-05-02),

14. D381175 - Lagging tread for a pulley (1997-07-15),

15. D381174 - Pulley lagging block (1997-07-15),

Richwood Industries Inc. is a leading manufacturer of industrial equipment specializing in conveyor belt cleaners and related products. With a focus on quality and innovation, Richwood Industries Inc. serves a wide range of industries including mining, aggregate, and bulk material handling. Their experienced team is dedicated to providing custom solutions to meet the unique needs of each client, ensuring optimal performance and efficiency. Learn more about Richwood Industries Inc. and their products at their website.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

21 Patents

#7 in Huntington, WV

#22 in West Virginia

#15,157 in US

#29,048 in the World

Huntington, WV, United States of America

Richwood Industries Inc.

Forward Citations = 190

9 inventors:

Richard Davis Stoll (11 out of 11 patents)

Christopher Scott Smith (9 out of 20 patents)

Glenn Edward Farrow (7 out of 11 patents)

4. Donald L Stoll (4 out of 5 patents)

5. Lewis D Stoll (3 out of 3 patents)

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