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For the Inventor, By the Inventor

Aurora, IL, United States of America

Keson Industries, Inc.


USPTO Granted Patents = 18

% Expired Patents = 33.3

Trademarks = 4

Forward Citations = 235

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18 inventors (with patents filed for the assignee):

goldMedal Mark Nepil (9 out of 9 patents)

silverMedal R Brian Olson (5 out of 8 patents)

bronzeMedal Clyde Torp (4 out of 4 patents)

4.  Bryan Shova (2 out of 15 patents)

5.  Jude Nosek (2 out of 2 patents)

6.  Audra Bielskus Norvilas (2 out of 2 patents)

7.  Jennifer Bae Park (2 out of 3 patents)

8.  Hilary Farnsworth (2 out of 14 patents)

9.  Phillip Prestia (2 out of 2 patents)

10.  Leonard Mak (2 out of 2 patents)

11.  Robert E Hutchinson (1 out of 1 patent)

12.  Christine L Salazar (1 out of 1 patent)

13.  Gary Nosek (1 out of 1 patent)

14.  Daniel Collins (1 out of 1 patent)

15.  James E Collins (1 out of 1 patent)


18 patents:

1. 10507689 - Chalk line apparatus (2019-12-17),
2. 10252567 - Chalk line apparatus (2019-04-09),
3. 8479407 - Distance measuring wheel with foot actuated reset (2013-07-09),
4. 7536800 - Chalk line apparatus and method of operating a chalk line apparatus (2009-05-26),
5. 7536799 - Chalk line apparatus with strategically located chalk fill opening (2009-05-26),
6. 7478484 - Chalk line apparatus with a spool configured to avoid cavitation (2009-01-20),
7. D579355 - Chalk line housing (2008-10-28),
8. 7197831 - Closure system for a fill opening on a chalk line reel housing (2007-04-03),
9. 7131216 - Distance measuring apparatus (2006-11-07),
10. 6892470 - Wheeled distance measuring device (2005-05-17),
11. D491081 - Wheeled measuring device (2004-06-09),
12. D489012 - Case for flexible tape measuring device (2004-04-28),
13. 6622396 - End clip for measuring blade/tape (2003-09-23),
14. D457448 - Case for tape measuring device (2002-05-22),
15. D445045 - Chalkline holder (2001-07-18),
Company Overview
Keson Industries, Inc. is a prominent manufacturer specializing in measuring tools and equipment, primarily serving the construction, surveying, and landscaping sectors. The company is known for its innovative solutions, including tape measures, marking tools, and distance measuring devices, which enhance accuracy and efficiency in various applications. Headquartered in Aurora, Illinois, Keson is committed to quality and reliability, ensuring that professionals have access to the tools they need for precise measurements in their projects.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

18 Patents

#15 in Aurora, IL

#915 in Illinois

#17,963 in US

#34,217 in the World

Aurora, IL (US)
Aurora, IL, United States of America

Keson Industries, Inc.

Forward Citations = 235

18 inventors:

goldMedal Mark Nepil (9 out of 9 patents)

silverMedal R Brian Olson (5 out of 8 patents)

bronzeMedal Clyde Torp (4 out of 4 patents)

4.  Bryan Shova (2 out of 15 patents)

5.  Jude Nosek (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Keson Industries, Inc.. Retrieved from https://idiyas.com/company/keson-industries

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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