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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. is a leading manufacturer of conveyor systems for various industries. With a commitment to quality, innovation, and customer satisfaction, Dorner has been providing efficient and reliable solutions for material handling since its establishment in 1966. Their wide range of conveyor products includes belt conveyors, modular plastic belt conveyors, and flexible chain conveyors, designed to meet diverse application requirements. Whether it's in packaging, food processing, pharmaceuticals, or other industries, Dorner aims to deliver high-performance conveyor solutions for smooth and efficient production processes.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Sep 15 2026

Dorner Mfg. Corp.
73 Patents

#1 in Hartland, WI

#115 in Wisconsin

#5,030 in US

#10,240 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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