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For the Inventor, By the Inventor

Mequon, WI, United States of America

Johnson Level & Tool Mfg. Co., Inc.

Calculating rank
USPTO Granted Patents = 85

% Expired Patents = 2.4



Trademarks = 21

Forward Citations = 995

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36 inventors (with patents filed for the assignee):

goldMedal Timothy J Wojciechowski (40 out of 60 patents)

silverMedal David C Mencel (20 out of 27 patents)

bronzeMedal William G Johnson (18 out of 25 patents)

4.  Robert A Johnson (16 out of 23 patents)

5.  Richard J Gruetzmacher (12 out of 12 patents)

6.  Dave Statza (5 out of 5 patents)

7.  Jean G Dufour (4 out of 4 patents)

8.  John Dwyer (3 out of 10 patents)

9.  Michael E Henley (2 out of 18 patents)

10.  John M Stefanko (2 out of 2 patents)

11.  Jianhong Lu (2 out of 2 patents)

12.  Minli Zhang (2 out of 2 patents)

13.  Douglas L Sevey (2 out of 13 patents)

14.  Michael J Nickel (2 out of 10 patents)

15.  Jeffrey P Cowie (2 out of 2 patents)


Core Competencies:
Laser Level
Inclinometer
Measuring Wheel
Torpedo Level
Box Beam Level
Carpenters Square
Electronic Display
Pocket Level
Vial Illumination
Crosscut Square
Scribing Arrangement
Stud Finder

85 patents:

1. D1026689 - Rotary-type laser level (2024-05-14),
2. D1026688 - Line-type laser level (2024-05-14),
3. D996994 - Carpenters square (2023-08-29),
4. D982463 - Carpenters square (2023-04-04),
5. D982462 - Crosscut square (2023-04-04),
6. 11618277 - Variable radius arc scribing arrangement for a framing square (2023-04-04),
7. D955241 - Torpedo level (2022-06-21),
8. D955240 - Box beam level (2022-06-21),
9. D955239 - Box beam level (2022-06-21),
10. D944104 - Screed level (2022-02-22),
11. D936503 - Box beam level (2021-11-23),
12. D936502 - Box beam level (2021-11-23),
13. D936501 - Level (2021-11-23),
14. D936500 - Level (2021-11-23),
15. D936499 - Level (2021-11-23),
Company Overview
Johnson Level & Tool Mfg. Co., Inc. is a prominent manufacturer based in Mequon, Wisconsin, specializing in precision measuring tools and laser level technology. The company develops a diverse range of products, including laser levels, inclinometers, measuring wheels, and various types of levels such as torpedo and box beam levels. With a commitment to innovation, Johnson Level integrates advanced electronic displays and user-friendly designs, catering to professionals in construction, carpentry, and other industries requiring accurate measurement solutions.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

85 Patents

#1 in Mequon, WI

#99 in Wisconsin

#4,380 in US

#8,970 in the World

Mequon, WI (US)
Mequon, WI, United States of America

Johnson Level & Tool Mfg. Co., Inc.

Forward Citations = 995

36 inventors:

goldMedal Timothy J Wojciechowski (40 out of 60 patents)

silverMedal David C Mencel (20 out of 27 patents)

bronzeMedal William G Johnson (18 out of 25 patents)

4.  Robert A Johnson (16 out of 23 patents)

5.  Richard J Gruetzmacher (12 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Johnson Level & Tool Mfg. Co., Inc.. Retrieved from https://idiyas.com/company/johnson-level-and-tool-mfg-company

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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