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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Spartech Corporation

USPTO Granted Patents = 14

% Expired Patents = 21.4


Trademarks = 33

Forward Citations = 78

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16 inventors (with patents filed for the assignee):

goldMedal Carlos B Guerra (2 out of 2 patents)

silverMedal Loren F Temple, Jr (2 out of 4 patents)

bronzeMedal Todd R Niemuth (2 out of 2 patents)

4.  Paul N Hamon (2 out of 2 patents)

5.  Charlie Manuel Gonzalez (2 out of 4 patents)

6.  Moncy V Jose (2 out of 4 patents)

7.  John R Church (2 out of 5 patents)

8.  Christopher A Simoneau (1 out of 10 patents)

9.  Jiang Li (1 out of 1 patent)

10.  Gregory Dixon (1 out of 1 patent)

11.  Mosongo Moukwa (1 out of 2 patents)

12.  Pavel E Ilmenev (1 out of 5 patents)

13.  Sandy McDonald (1 out of 1 patent)

14.  Nicholas Harry Zompolas (1 out of 1 patent)

15.  George D Howell (1 out of 5 patents)


14 patents:

1. 11130323 - Moldable polyester sheet materials and recyclable barrier packages made therefrom (2021-09-28),
2. 10934402 - Urethane urea acrylic cast sheet materials (2021-03-02),
3. D896073 - Beverage pod (2020-09-15),
4. D854411 - Beverage pod (2019-07-23),
5. 10239988 - Urethane vinyl copolymers and impact resistant sheets made therefrom (2019-03-26),
6. D809445 - Vehicle floor mat with applied surface pattern (2018-02-06),
7. D802508 - Vehicle floor mat with applied surface pattern (2017-11-14),
8. 8485377 - Modular container assembly (2013-07-16),
9. 8476367 - Pelletized plastic compounds and method of manufacture (2013-07-02),
10. 8411363 - Plastic sheets with lenticular lens array (2013-04-02),
11. 7874453 - Snap lock container with lid rotation tab (2011-01-25),
12. 7609450 - Plastic sheets with lenticular lens arrays (2009-10-27),
13. D591173 - Salad kit (2009-04-28),
14. 6666526 - Molded wheel assembly (2003-12-23),
Company Overview
Spartech Corporation is a leading manufacturer of engineered thermoplastics and custom packaging solutions, primarily serving the North American market. The company specializes in the development and production of a diverse range of products, including sheet and roll stock, as well as custom packaging for various industries such as food, medical, and industrial applications. With a strong focus on innovation, Spartech leverages advanced materials and technologies to meet the evolving needs of its clients while ensuring sustainability and quality in its offerings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#146 in St. Louis, MO

#319 in Missouri

#22,333 in US

#42,290 in the World

St. Louis, MO (US)
St. Louis, MO, United States of America

Spartech Corporation

Forward Citations = 78

16 inventors:

goldMedal Carlos B Guerra (2 out of 2 patents)

silverMedal Loren F Temple, Jr (2 out of 4 patents)

bronzeMedal Todd R Niemuth (2 out of 2 patents)

4.  Paul N Hamon (2 out of 2 patents)

5.  Charlie Manuel Gonzalez (2 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Spartech Corporation. Retrieved from https://idiyas.com/company/spartech

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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