Huntersville, NC, United States of America

Irwin-Industrial Tool Company


USPTO Granted Patents = 291

% Expired Patents = 26.8


Trademarks = 56

Forward Citations = 5,420

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167 inventors (with patents filed for the assignee):

goldMedal Matthew Christopher Green (34 out of 61 patents)

silverMedal William B Korb (32 out of 48 patents)

bronzeMedal Joseph Thomas Novak (24 out of 45 patents)

4 Steven R Levine (24 out of 24 patents)

5 Derek James Nash (22 out of 23 patents)

6 Thomas M Chervenak (19 out of 19 patents)

7 David Philip Engvall (19 out of 27 patents)

8 LaVerne R Durfee (15 out of 16 patents)

9 Peter Weremchuk (14 out of 14 patents)

10 John Charles Smith (13 out of 51 patents)

11 Stephen A Hampton (11 out of 20 patents)

12 Ian W Cunningham (11 out of 19 patents)

13 David J Trettin (11 out of 33 patents)

14 Douglas K Fosberg (10 out of 15 patents)

15 Robert Richard Zielonka (10 out of 10 patents)


Core Competencies:
Band Saw Blade
Hole Cutter
Step Drill Bit
Reciprocating Saw Blade
Tool Storage
Hacksaw
Temperature Device
Drilling Apparatus
Flaring Tools
Utility Knife
Clamp
Chalk Reel

291 patents:

Irwin Industrial Tools Company is a leading manufacturer and distributor of hand tools and power tool accessories. With a rich history dating back to 1885, Irwin Industrial Tools has become a trusted and renowned brand in the industry. They offer a wide range of high-quality products that cater to the needs of professionals and DIY enthusiasts alike. From wrenches and pliers to drill bits and saw blades, Irwin Industrial Tools Company provides innovative solutions for various applications. Their commitment to excellence and customer satisfaction has made them a preferred choice among professionals worldwide.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 8 2026

291 Patents

#2 in Huntersville, NC

#46 in North Carolina

#1,506 in US

#3,053 in the World

Huntersville, NC (US)
Huntersville, NC, United States of America
Forward Citations = 5,420

167 inventors:

Please report any incorrect information to [email protected]
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