For the Inventor, By the Inventor

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Sullivan, IL, United States of America

Agri-Fab, Inc.

USPTO Granted Patents = 42

% Expired Patents = 11.9

CIPO Patents = 1

EPO Patents = 3

Trademarks = 9

Forward Citations = 608

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23 inventors (with patents filed for the assignee):

Ronald J Hickenbottom (11 out of 11 patents)

John Richard Johnson (5 out of 23 patents)

Neil Edwin Bowsher (5 out of 7 patents)

4. Charles Young Choi (4 out of 94 patents)

5. Mark R Pavel (4 out of 7 patents)

6. Jay David Taber (4 out of 4 patents)

7. Donald Richard Wittkowski (4 out of 4 patents)

8. Miroslav Vuckovic (3 out of 21 patents)

9. Hans Hauser (3 out of 44 patents)

10. Anthony Todd Harris (3 out of 3 patents)

11. Douglas E Schneider (3 out of 3 patents)

12. Justin Todd Adcock (3 out of 3 patents)

13. Evan T Ward (3 out of 36 patents)

14. Danney Dendy (2 out of 3 patents)

15. Lee Conner (2 out of 2 patents)

Core Competencies:

Lawn Sweeper Assembly

Hopper Flow Control

Broadcast Spreader

Convertible Wheelbarrow

Aerator and Spreader

Hydrostatic Transaxle

Tandem Axle Trailer

De-thatcher

Brush Height Setting

Dump Cart

Push Spiker

Tilt-able Hopper

42 patents: Sort by Forward Citations

1. 9027189 - Brush height setting assembly and method (2015-05-12),

2. 8955188 - Sweeper drive assembly (2015-02-17),

3. 8646141 - Lawn sweeper assembly with adjustable brush assembly and hopper assembly and method of use thereof (2014-02-11),

4. 8640294 - Lawn sweeper assembly with adjustable brush assembly and hopper assembly and method of use thereof (2014-02-04),

5. 8549689 - Lawn sweeper assembly with tilt-able hopper and latch assembly and method of use thereof (2013-10-08),

6. 8393039 - Lawn sweeper assembly with tilt-able hopper and latch assembly and method of use thereof (2013-03-12),

7. 8376250 - Lawn spreader hopper flow control apparatus (2013-02-19),

8. 8359694 - Lawn sweeper assembly with adjustable brush assembly and hopper assembly and method of use thereof (2013-01-29),

9. 8056838 - Lawn spreader hopper flow control apparatus (2011-11-15),

10. D610591 - Push broadcast spreader (2010-02-23),

11. D610590 - Tow broadcast spreader (2010-02-23),

12. D606565 - Dump cart (2009-12-22),

13. 7604066 - Multipurpose rear grooming assembly for a vehicle and method of storage of multiple grooming assemblies therewith (2009-10-20),

14. D602046 - Push broadcast spreader (2009-10-13),

15. D602045 - Tow broadcast spreader (2009-10-13),

Agri-Fab, Inc. is a leading manufacturer of lawn and garden equipment based in Sullivan, Illinois. With over 45 years of experience, Agri-Fab is dedicated to producing high-quality products that make caring for outdoor spaces easier and more enjoyable. From lawn sweepers and spreaders to carts and aerators, Agri-Fab offers a wide range of innovative solutions for homeowners and professionals alike. Visit their website to explore their full product lineup and find the perfect equipment for your needs.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

42 Patents

#2 in Sullivan, IL

#453 in Illinois

#8,240 in US

#16,304 in the World

Sullivan, IL, United States of America

Agri-Fab, Inc.

Forward Citations = 608

23 inventors:

Ronald J Hickenbottom (11 out of 11 patents)

John Richard Johnson (5 out of 23 patents)

Neil Edwin Bowsher (5 out of 7 patents)

4. Charles Young Choi (4 out of 94 patents)

5. Mark R Pavel (4 out of 7 patents)

Please report any incorrect information to [email protected]

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