For the Inventor, By the Inventor

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Columbus, OH, United States of America

Uniontools, Inc.

USPTO Granted Patents = 30

Trademarks = 4

Forward Citations = 329

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35 inventors (with patents filed for the assignee):

Brian J Conaway (13 out of 26 patents)

Thomas W Parker (10 out of 17 patents)

Terry M Birchler (10 out of 25 patents)

4. Michael S Yacobi (7 out of 7 patents)

5. David A Demar (6 out of 20 patents)

6. Thomas VanDyk (5 out of 21 patents)

7. Roland Charriez (5 out of 77 patents)

8. Michael Ballone (5 out of 41 patents)

9. Melissa Fisher (5 out of 11 patents)

10. Mandi Reese (5 out of 10 patents)

11. Mark C Eyman (5 out of 12 patents)

12. John E Kiely (5 out of 32 patents)

13. Keith C Kristiansen (5 out of 44 patents)

14. Charles B Wilson (3 out of 4 patents)

15. Richard P Nuchols (2 out of 70 patents)

30 patents: Sort by Forward Citations

1. D532274 - Handle for hand tool (2006-11-21),

2. 7121599 - Hand-operated tool with central step (2006-10-17),

3. D527985 - Mounting bracket for a wheelbarrow tray (2006-09-12),

4. D522324 - Cultivator head for hand tool (2006-06-06),

5. D521823 - Bulb planter (2006-05-30),

6. D518340 - Hand operated tool (2006-04-04),

7. D517876 - Bow rake (2006-03-28),

8. D517875 - Handle shaft for a tool (2006-03-28),

9. D516881 - Handle shaft for a tool (2006-03-14),

10. D514902 - Leaf rake (2006-02-14),

11. 6948569 - Snow auger assembly (2005-09-27),

12. D508597 - Frame for a collapsible wheel barrow (2005-08-16),

13. D505304 - Leaf rake (2005-05-24),

14. 6848695 - Stackable yard cart (2005-02-01),

15. D500239 - Shingle lifting tool (2004-12-29),

Uniontools, Inc. is a leading manufacturer of premium quality hand tools and lawn & garden tools. With a history dating back to 1844, Uniontools has established a reputation for innovation, durability, and superior craftsmanship. Their wide range of products includes shovels, rakes, hoes, forks, and more, all designed to meet the needs of professional landscapers, farmers, and DIY enthusiasts.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

30 Patents

#25 in Columbus, OH

#462 in Ohio

#10,860 in US

#21,192 in the World

Columbus, OH, United States of America

Uniontools, Inc.

Forward Citations = 329

35 inventors:

Brian J Conaway (13 out of 26 patents)

Thomas W Parker (10 out of 17 patents)

Terry M Birchler (10 out of 25 patents)

4. Michael S Yacobi (7 out of 7 patents)

5. David A Demar (6 out of 20 patents)

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