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For the Inventor, By the Inventor

Milwaukee, WI, United States of America

Douglas Dynamics LLC


USPTO Granted Patents = 57

% Expired Patents = 1.8


Trademarks = 20

Forward Citations = 936

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67 inventors (with patents filed for the assignee):

goldMedal David N Bloxdorf (16 out of 17 patents)

silverMedal Chad Thomas Barker (11 out of 11 patents)

bronzeMedal James R Doornek (9 out of 9 patents)

4.  Christopher Aaron Horn (8 out of 8 patents)

5.  Steven Lohry Klug (8 out of 9 patents)

6.  Matthew Terran Kaminecki (7 out of 7 patents)

7.  Gary E Watson (6 out of 7 patents)

8.  Matthew Thoma Curran (5 out of 5 patents)

9.  Edward A Simi (5 out of 5 patents)

10.  Christopher A Dominguez (4 out of 4 patents)

11.  Paul Yagiela (4 out of 5 patents)

12.  Andre Valmont LeBlond (4 out of 5 patents)

13.  James Calvin Pieper (4 out of 5 patents)

14.  Tyler Barron Jones (4 out of 4 patents)

15.  Mark Lawrence Stultz (3 out of 4 patents)


Core Competencies:
Containment Plow
Snow Plow Assembly
Spreader
Brine Machine
Hydraulic Control
Vehicle Mounted Accessory
Material Mixing
Pivoting Blade Wing
Quick Mounting System
Automatic Headlamp
Support Wheels
Dispenser Apparatus

57 patents:

1. 12644244 - Containment plow (2026-06-02),
2. 12630989 - Spreader or sprayer and control system therefore (2026-05-19),
3. 12595632 - Snow and ice spreader and sprayer (2026-04-07),
4. 12497744 - Containment plow (2025-12-16),
5. 12497743 - Convertible snow plow (2025-12-16),
6. 12281453 - Snow plow assembly (2025-04-21),
7. 12188190 - Spreader with shaftless auger (2025-01-07),
8. 11731088 - Brine machine and method (2023-08-22),
9. 11680379 - Spreader with shaftless auger (2023-06-20),
10. 11555282 - Snow plow and mount assembly (2023-01-17),
11. 11535986 - Spreader (2022-12-27),
12. 11499280 - Snow plow and mount assembly (2022-11-15),
13. 11427978 - Snow plow and mount assembly (2022-08-30),
14. 11332899 - Snow plow and mount assembly (2022-05-17),
15. 10960363 - Brine machine and method (2021-03-30),
Douglas Dynamics LLC, based in Milwaukee, WI, specializes in the design and manufacture of snow removal equipment. The company is recognized for its innovative solutions, including containment plows, snow plow assemblies, and spreaders, which enhance efficiency in snow management. Their expertise extends to hydraulic control systems and vehicle-mounted accessories, ensuring reliable performance in challenging winter conditions. Douglas Dynamics is committed to advancing technology in the snow removal sector, contributing to safer and more effective winter maintenance operations.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Douglas Dynamics LLC
57 Patents

#37 in Milwaukee, WI

#160 in Wisconsin

#6,244 in US

#12,552 in the World

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

Douglas Dynamics LLC

Forward Citations = 936

67 inventors:

goldMedal David N Bloxdorf (16 out of 17 patents)

silverMedal Chad Thomas Barker (11 out of 11 patents)

bronzeMedal James R Doornek (9 out of 9 patents)

4.  Christopher Aaron Horn (8 out of 8 patents)

5.  Steven Lohry Klug (8 out of 9 patents)

Please report any incorrect information to [email protected]
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