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Ashland, OR, United States of America

Darex Corporation

USPTO Granted Patents = 80

EPO Patents = 3

Trademarks = 35

Forward Citations = 341

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25 inventors (with patents filed for the assignee):

Daniel T Dovel (46 out of 52 patents)

Joseph T Zachariasen (19 out of 29 patents)

Steven Lee Baker (18 out of 18 patents)

4. Conner S MacFarlane (18 out of 18 patents)

5. David A Bernard (7 out of 9 patents)

6. Jacob D Dovel (7 out of 7 patents)

7. Travis Campbell (5 out of 5 patents)

8. William C Christian (4 out of 5 patents)

9. Richard Allen Bernard (4 out of 4 patents)

10. Arthur Alexander Bernard (3 out of 3 patents)

11. Conner Samuel Macfarlane (3 out of 3 patents)

12. Michael Edward Laut (2 out of 17 patents)

13. Steven Bockmann (2 out of 4 patents)

14. Matthew S Ferdinand (2 out of 2 patents)

15. Kenneth J Onion (1 out of 60 patents)

Core Competencies:

Tool Sharpening

Knife Sharpeners

Power Sharpeners

Abrasive Belt Sharpeners

Utility Blades

Precision Adjust Sharpeners

Folding Knife Kits

Rotatable Edge Guides

Manual Sharpeners

Cutting Tool Sharpening

Swing Arm Abrasive Assembly

Variable Material Take Off

80 patents: Sort by Forward Citations

1. D1104693 - Tool sharpener (2025-12-09),

2. 12447573 - Tool sharpener with concave sharpening surface (2025-10-21),

3. D1087714 - Knife sharpener (2025-08-12),

4. 12246465 - Folding knife, folding knife kit, knife kit, and methods (2025-03-11),

5. D1056844 - Power sharpener (2025-01-07),

6. D1054822 - Clamp for a sharpening device used to sharpen a cutting tool (2024-12-24),

7. D1054269 - Knife sharpener (2024-12-17),

8. D1044460 - Abrasive block support (2024-10-01),

9. 12083696 - Knife with sliding gear (2024-09-10),

10. 12048979 - Rotatable edge guide to support a cutting tool during a sharpening operation (2024-07-30),

11. D1034138 - Base member for a sharpening device used to sharpen a cutting tool (2024-07-09),

12. D1033192 - Knife sharpener (2024-07-02),

13. D1026607 - Knife sharpener (2024-05-14),

14. 11975420 - Sharpener with swing arm abrasive assembly (2024-05-07),

15. 11969909 - Utility blades and combination blade holders (2024-04-30),

Darex Corporation is a leading manufacturer of professional sharpening systems and industrial drill sharpeners. With over 40 years of experience, Darex has established itself as a trusted name in the sharpening industry. They offer a wide range of innovative products designed to meet the sharpening needs of individuals, businesses, and industries. Darex's commitment to quality and customer satisfaction has made them a preferred choice for professionals worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

80 Patents

#1 in Ashland, OR

#59 in Oregon

#4,438 in US

#9,062 in the World

Ashland, OR, United States of America

Darex Corporation

Forward Citations = 341

25 inventors:

Daniel T Dovel (46 out of 52 patents)

Joseph T Zachariasen (19 out of 29 patents)

Steven Lee Baker (18 out of 18 patents)

4. Conner S MacFarlane (18 out of 18 patents)

5. David A Bernard (7 out of 9 patents)

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