% Expired Patents = 54.5

Trademarks = 2

Forward Citations = 292

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5 inventors (with patents filed for the assignee):

Gregg S Lewis (7 out of 9 patents)

Kevin Putnam (5 out of 5 patents)

Michael A Foght (1 out of 1 patent)

4. Mike Moulton (1 out of 1 patent)

5. Anthony Domerchie (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 11051485 - Stackable and pallet-transportable cheese log forming and holding tray (2021-07-06),

2. 10716427 - Single-serving beverage cartridge container (2020-07-21),

3. 10035642 - Reclosable package with anti stake latches (2018-07-31),

4. 9567152 - Reclosable wiper blade package (2017-02-14),

5. 9139347 - Reclosable beam blade wiper blade package (2015-09-22),

6. 8910789 - Reclosable wiper blade package with improved package closure arrangement (2014-12-16),

7. 8613357 - Reclosable upside down beam blade wiper blade package (2013-12-24),

8. 8042690 - Wiper blade package (2011-10-25),

9. 7699169 - Wiper blade package (2010-04-20),

10. 6070723 - Reclosable package and method (2000-06-06),

11. 5899334 - Reclosable transparent wiper blade package (1999-05-04),

Company Overview

Portage Plastics Corporation, based in Portage, Wisconsin, specializes in the development and manufacturing of high-quality plastic products. The company focuses on innovative solutions for various industries, including packaging, automotive, and consumer goods. With a commitment to sustainability and advanced manufacturing techniques, Portage Plastics aims to meet the evolving needs of its clients while maintaining a strong emphasis on quality and performance. Their expertise in polymer science and engineering positions them as a key player in the plastics sector.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

11 Patents

#3 in Portage, WI

#622 in Wisconsin

#27,514 in US

#51,761 in the World

Portage, WI, United States of America

Portage Plastics Corporation

Forward Citations = 292

5 inventors:

Gregg S Lewis (7 out of 9 patents)

Kevin Putnam (5 out of 5 patents)

Michael A Foght (1 out of 1 patent)

4. Mike Moulton (1 out of 1 patent)

5. Anthony Domerchie (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Portage Plastics Corporation. Retrieved from https://idiyas.com/company/portage-plastics

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]