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For the Inventor, By the Inventor

Hartland, WI, United States of America

Dorner Mfg. Corp.


USPTO Granted Patents = 73

% Expired Patents = 1.4



Trademarks = 10

Forward Citations = 773

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34 inventors (with patents filed for the assignee):

goldMedal Wolfgang C Dorner (28 out of 30 patents)

silverMedal Michael A Hosch (24 out of 26 patents)

bronzeMedal Daniel E Ertel (20 out of 21 patents)

4.  Scott M Hall (13 out of 29 patents)

5.  Kenneth N Hansen (9 out of 24 patents)

6.  Jason M Knas (6 out of 6 patents)

7.  Todd R Eggebrecht (5 out of 5 patents)

8.  John C Redding (4 out of 10 patents)

9.  Craig Bude (4 out of 4 patents)

10.  Todd A Eggebrecht (4 out of 4 patents)

11.  Terrence E O'Brien (3 out of 6 patents)

12.  Kenneth A Hansen (3 out of 3 patents)

13.  Mark C Wedell (3 out of 3 patents)

14.  Paul W Hau (2 out of 9 patents)

15.  Scott Grahl (2 out of 2 patents)


Core Competencies:
Tensioning Device
Modular Frame
Sorting Mechanism
Conveyor Assembly
Drive Mechanism
Sanitary Conveyor
Endless Belt
Stacking Apparatus
Article Reorientation
Adjustable Inclined Conveyor
Carousel Conveyor
Heat Press

73 patents:

1. 12534301 - Tensioning system for dual belt conveyor (2026-01-27),
2. 12187541 - Multi-section conveyor frame assembly (2025-01-07),
3. 11981513 - Return roller assemblies for conveyor (2024-05-14),
4. 11753251 - Conveyor end drive with weighted take-up roller (2023-09-12),
5. 11603269 - Mounting assembly for gearmotor of a conveyor assembly (2023-03-14),
6. 11597602 - Conveyor including modular frame and spindle adjustment mechanism (2023-03-07),
7. 11535455 - Tensioning device for an endless belt conveyor (2022-12-27),
8. 10737887 - Zoned roller conveyor (2020-08-11),
9. 9617078 - Conveyor frame assembly with cross supports (2017-04-11),
10. 9469481 - Carousel conveyor drive module (2016-10-18),
11. 8936147 - Pinch roller drive (2015-01-20),
12. 8042682 - Conveyor belt drive sprocket retention system (2011-10-25),
13. 7874419 - Contained drive system for chain conveyor belt to reduce catenary sag (2011-01-25),
14. 7735638 - Conveyor frame assembly having side rails including multiple attachment slots and adjustable cross supports (2010-06-15),
15. 7681719 - Sanitary conveyor transfer tail assembly (2010-03-23),
Dorner Mfg. Corp., based in Hartland, Wisconsin, specializes in the design and manufacture of advanced conveyor systems. The company focuses on innovative solutions that enhance material handling efficiency across various industries. Key technological areas include tensioning devices, modular frames, sorting mechanisms, and sanitary conveyors, which cater to diverse operational needs. Dorner's commitment to quality and customization positions it as a leader in the conveyor technology sector, serving clients with tailored solutions for optimal performance.
Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

Dorner Mfg. Corp.
73 Patents

#1 in Hartland, WI

#115 in Wisconsin

#5,036 in US

#10,256 in the World

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

Dorner Mfg. Corp.

Forward Citations = 773

34 inventors:

goldMedal Wolfgang C Dorner (28 out of 30 patents)

silverMedal Michael A Hosch (24 out of 26 patents)

bronzeMedal Daniel E Ertel (20 out of 21 patents)

4.  Scott M Hall (13 out of 29 patents)

5.  Kenneth N Hansen (9 out of 24 patents)

Please report any incorrect information to [email protected]
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