For the Inventor, By the Inventor

Enter assignee name

Christiana, DE, United States of America

Power Tool Holders, Inc.

USPTO Granted Patents = 112

% Expired Patents = 10.7

EPO Patents = 2

Trademarks = 3

Forward Citations = 2,233

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49 inventors (with patents filed for the assignee):

Stephen Wayne Steadings (17 out of 33 patents)

Christopher B Barton (15 out of 27 patents)

Kevin Corbett Miles (13 out of 20 patents)

4. Mark S Huggins (12 out of 14 patents)

5. Roger J Kanaan (12 out of 17 patents)

6. Benjamin A Gaddis (10 out of 13 patents)

7. Robert O Huff (9 out of 32 patents)

8. William H Aultman (9 out of 13 patents)

9. Ian Middleton (8 out of 8 patents)

10. Kenneth M Montjoy (7 out of 7 patents)

11. Gary L Young (6 out of 21 patents)

12. William C Buck (6 out of 24 patents)

13. Paul T Jordan (6 out of 18 patents)

14. Robert A Grogan (6 out of 6 patents)

15. Daijiro Nakamura (6 out of 19 patents)

Core Competencies:

Quick Change Mechanism

Locking Chuck

Non-Impact Keyless Chuck

Molded Chuck

Rotary Power Tool

Tool Clamping Device

Enhanced Grip

Chuck Device

Collet Nut

Spring Chuck

Jaw Mechanism

Hydraulically Actuated Chuck

112 patents: Sort by Forward Citations

1. 6834864 - Chuck having quick change mechanism (2004-12-28),

2. 6832764 - Locking chuck (2004-12-21),

3. 6736410 - Chuck (2004-05-18),

4. 6722668 - Chuck having quick change mechanism (2004-04-20),

5. 6688610 - Chuck with quick change (2004-02-10),

6. 6669207 - Non-impact keyless chuck (2003-12-30),

7. 6648342 - Chuck (2003-11-18),

8. 6648341 - Chuck with helical jaw bite (2003-11-18),

9. 6616147 - Chuck with locking sleeve (2003-09-09),

10. 6572310 - Self-cleaning drill chuck (2003-06-03),

11. 6540237 - Chuck (2003-04-01),

12. 6540236 - Chuck (2003-04-01),

13. 6536781 - Chuck (2003-03-25),

14. 6533291 - Chuck having quick change mechanism (2003-03-18),

15. 6505840 - Quick change chuck (2003-01-14),

Power Tool Holders, Inc. specializes in providing high-quality tool holders and accessories for the power tool industry. With years of experience, we pride ourselves on offering innovative and reliable solutions that enhance productivity and efficiency in various construction and manufacturing applications. Our comprehensive product range includes drill chucks, collets, tool holders, adapters, and more. We are committed to delivering exceptional customer service, ensuring prompt delivery, and maintaining competitive pricing. Visit our website to explore our products and discover why professionals choose Power Tool Holders, Inc. for their tooling needs.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

112 Patents

#1 in Christiana, DE

#69 in Delaware

#3,423 in US

#7,040 in the World

Christiana, DE, United States of America

Power Tool Holders, Inc.

Forward Citations = 2,233

49 inventors:

Stephen Wayne Steadings (17 out of 33 patents)

Christopher B Barton (15 out of 27 patents)

Kevin Corbett Miles (13 out of 20 patents)

4. Mark S Huggins (12 out of 14 patents)

5. Roger J Kanaan (12 out of 17 patents)

Please report any incorrect information to [email protected]

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