For the Inventor, By the Inventor

Enter assignee name

Chatsworth, CA, United States of America

Worktools, Inc.

USPTO Granted Patents = 94

% Expired Patents = 12.8

CIPO Patents = 4

EPO Patents = 9

Trademarks = 2

Forward Citations = 1,355

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11 inventors (with patents filed for the assignee):

Joel Steven Marks (93 out of 117 patents)

Surapon Arleekul (7 out of 12 patents)

Surapon Areekul (2 out of 2 patents)

4. Chih Wei J Wu (1 out of 1 patent)

5. Brian Melgaard (1 out of 5 patents)

6. Stephen Quick (1 out of 5 patents)

7. Maynard A Walters (1 out of 1 patent)

8. Jonathon D Blake (1 out of 1 patent)

9. Joe S Marks (1 out of 1 patent)

10. John Kevin Clay (1 out of 3 patents)

11. Ernesto Victor Quinteros (1 out of 1 patent)

Core Competencies:

Stapler

Tacker

Spring Configurations

Pliers

Desktop Stapler

Hole Punch

Cutting Blade

Clamp

Tool Hook

Socket

Wrench

Safety Device

94 patents: Sort by Forward Citations

1. 12728509 - High efficiency torsion spring tacker (2026-09-08),

2. 12325115 - High efficiency torsion spring tacker (2025-06-10),

3. RE50425 - Compact electric spring energized desktop stapler (2025-05-13),

4. 11981010 - High efficiency torsion spring tacker (2024-05-14),

5. 11724377 - Bottom loading pliers stapler (2023-08-15),

6. 11472014 - High efficiency torsion spring tacker (2022-10-18),

7. RE48186 - Compact electric spring energized desktop stapler (2020-08-31),

8. 10618154 - Low force release manual tacker (2020-04-14),

9. 10499739 - Transformable drawer front and countertop leaf (2019-12-10),

10. 10442067 - Fastening tool wire guide (2019-10-15),

11. 10307917 - Cutting blade for oscillating tool (2019-06-04),

12. 9987734 - Flat clinch anvil assembly (2018-06-05),

13. 9962822 - Compact electric spring energized desktop stapler (2018-05-08),

14. 9889547 - Selective deployable tool hook (2018-02-13),

15. 9592597 - Flat clinch stapler anvil assembly (2017-03-14),

Worktools, Inc., based in Chatsworth, California, specializes in the development and manufacturing of fastening tools. The company focuses on a range of products including staplers, tackers, and pliers, as well as desktop staplers, hole punches, cutting blades, and clamps. With a commitment to innovation, Worktools, Inc. emphasizes advanced spring configurations and ergonomic designs to enhance user experience and efficiency in various applications. Their expertise in fastening technology positions them as a key player in the industry.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Worktools, Inc.

94 Patents

#3 in Chatsworth, CA

#927 in California

#3,976 in US

#8,178 in the World

Chatsworth, CA, United States of America

Worktools, Inc.

Forward Citations = 1,355

11 inventors:

Joel Steven Marks (93 out of 117 patents)

Surapon Arleekul (7 out of 12 patents)

Surapon Areekul (2 out of 2 patents)

4. Chih Wei J Wu (1 out of 1 patent)

5. Brian Melgaard (1 out of 5 patents)

Please report any incorrect information to [email protected]

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