For the Inventor, By the Inventor

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Aurora, IL, United States of America

Keson Industries, Inc.

USPTO Granted Patents = 18

Trademarks = 4

Forward Citations = 222

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18 inventors (with patents filed for the assignee):

Mark Nepil (9 out of 9 patents)

R Brian Olson (5 out of 8 patents)

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: Sort by Forward Citations

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),

Keson Industries, Inc. is a leading manufacturer of measuring and marking tools for the construction industry. With over 50 years of experience, Keson offers a wide range of high-quality products including measuring tapes, chalk reels, and measuring wheels. Their commitment to innovation and customer satisfaction has made them a trusted name in the industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

18 Patents

#14 in Aurora, IL

#878 in Illinois

#17,390 in US

#33,165 in the World

Aurora, IL, United States of America

Keson Industries, Inc.

Forward Citations = 222

18 inventors:

Mark Nepil (9 out of 9 patents)

R Brian Olson (5 out of 8 patents)

Clyde Torp (4 out of 4 patents)

4. Bryan Shova (2 out of 15 patents)

5. Jude Nosek (2 out of 2 patents)

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