For the Inventor, By the Inventor

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Green Bay, WI, United States of America

Alwin Manufacturing Company, Inc.

USPTO Granted Patents = 27

CIPO Patents = 8

EPO Patents = 5

Forward Citations = 1,292

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21 inventors (with patents filed for the assignee):

Alan P Paal (12 out of 25 patents)

Alan J Pierquet (10 out of 13 patents)

Daniel C Kananen (8 out of 8 patents)

4. Kenneth H LaCount (8 out of 10 patents)

5. James A Rodrian (5 out of 20 patents)

6. Lawrence R Hansen (5 out of 5 patents)

7. William G Haen (5 out of 8 patents)

8. Todd G Welsch (4 out of 4 patents)

9. Diane L Stephan (4 out of 4 patents)

10. Sheldon P Carr (3 out of 8 patents)

11. Donald G Krueger (3 out of 6 patents)

12. Sigurdur S Witt (2 out of 2 patents)

13. Larry Allen Schotz (2 out of 2 patents)

14. Abtin Spantman (2 out of 2 patents)

15. Thomas Michael Leiterman (2 out of 2 patents)

27 patents: Sort by Forward Citations

1. 10602889 - Dispenser with noise dampener (2020-03-31),

2. 9113760 - Low-material-indicating center pull dispenser (2015-08-25),

3. 8807475 - Dispenser with low-material sensing system (2014-08-19),

4. 8733218 - Sheet material dispenser (2014-05-27),

5. 8578826 - Sheet material dispenser (2013-11-12),

6. 8146471 - Sheet material dispenser (2012-04-03),

7. 7963475 - Method and apparatus for controlling a dispenser and detecting a user (2011-06-21),

8. 7594622 - Method and apparatus for controlling a dispenser to conserve towel dispensed therefrom (2009-09-29),

9. 7357348 - Dispenser apparatus with drive mechanism (2008-04-15),

10. 7296765 - Automatic dispensers (2007-11-20),

11. 7275672 - Center pull dispenser with self-adjusting dispenser mechanism (2007-10-02),

12. 7040566 - Dispenser with material-recognition apparatus and material-recognition method (2006-05-09),

13. 6977588 - Automatic dispenser apparatus (2005-12-20),

14. 6903654 - Automatic dispenser apparatus (2005-06-07),

15. 6460798 - Dispenser apparatus with transfer mechanism (2002-10-08),

Alwin Manufacturing Company, Inc. is a leading manufacturer of specialized industrial machinery. With over 50 years of experience, we design and produce high-quality equipment for various industries including automotive, aerospace, and electronics. Our state-of-the-art facilities and skilled team enable us to provide innovative solutions tailored to meet our clients' unique requirements. Explore our website to learn more about our product range and how we can assist your manufacturing needs.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

27 Patents

#5 in Green Bay, WI

#289 in Wisconsin

#12,017 in US

#23,315 in the World

Green Bay, WI, United States of America

Alwin Manufacturing Company, Inc.

Forward Citations = 1,292

21 inventors:

Alan P Paal (12 out of 25 patents)

Alan J Pierquet (10 out of 13 patents)

Daniel C Kananen (8 out of 8 patents)

4. Kenneth H LaCount (8 out of 10 patents)

5. James A Rodrian (5 out of 20 patents)

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