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For the Inventor, By the Inventor

Green Bay, WI, United States of America

Alwin Manufacturing Company, Inc.

USPTO Granted Patents = 27



Forward Citations = 1,329

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21 inventors (with patents filed for the assignee):

goldMedal Alan P Paal (12 out of 25 patents)

silverMedal Alan J Pierquet (10 out of 13 patents)

bronzeMedal 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)


Core Competencies:
Dispenser
Noise Dampener
Material Sensing
Automatic Dispenser
Center Pull
Towel Dispenser
Paper Holder
Transfer Mechanism
Positive Stop
Roll Holder
Core Rolls
Drive Mechanism

27 patents:

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),
Company Overview
Alwin Manufacturing Company, Inc. is a prominent player in the manufacturing sector, specializing in precision machining and custom fabrication. Based in Green Bay, Wisconsin, the company serves a diverse range of industries, including aerospace, automotive, and medical devices. With a commitment to quality and innovation, Alwin focuses on advanced manufacturing techniques and technologies to deliver tailored solutions that meet the specific needs of its clients. The company emphasizes efficiency and precision in its operations, ensuring high standards in every project.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

27 Patents

#5 in Green Bay, WI

#293 in Wisconsin

#12,428 in US

#24,034 in the World

Green Bay, WI (US)
Green Bay, WI, United States of America

Alwin Manufacturing Company, Inc.

Forward Citations = 1,329

21 inventors:

goldMedal Alan P Paal (12 out of 25 patents)

silverMedal Alan J Pierquet (10 out of 13 patents)

bronzeMedal 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)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Alwin Manufacturing Company, Inc.. Retrieved from https://idiyas.com/company/alwin-manufacturing-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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