For the Inventor, By the Inventor

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Appleton, WI, United States of America

C3 Corporation

USPTO Granted Patents = 12

EPO Patents = 1

Trademarks = 16

Forward Citations = 326

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18 inventors (with patents filed for the assignee):

Jeffery J VanHandel (5 out of 5 patents)

Alex N Kuffel (5 out of 5 patents)

Alex M Zirbel (5 out of 5 patents)

4. Joseph F Van De Hey (5 out of 5 patents)

5. Charles Eric Hunter (4 out of 82 patents)

6. Thomas Goldthwaite Coleman (2 out of 20 patents)

7. Dirk Verbiest (2 out of 2 patents)

8. Grant D Daniels (2 out of 2 patents)

9. Scott S Ebben (2 out of 2 patents)

10. Glen Edward Murphy (1 out of 1 patent)

11. Boris Klots (1 out of 46 patents)

12. Robert Jan Valkenburg (1 out of 2 patents)

13. Johann August Schoonees (1 out of 2 patents)

14. David William Penman (1 out of 2 patents)

15. Nawar Sami Alwesh (1 out of 2 patents)

12 patents: Sort by Forward Citations

1. 12383924 - Hotmelt application system and process (2025-08-12),

2. 12258169 - Tri-fold machine and process (2025-03-25),

3. 12227682 - Paper wrapping materials and method for a highly compressed product (2025-02-18),

4. 11787655 - Variable roll cage machine and process (2023-10-17),

5. 11752517 - Hotmelt application system and process (2023-09-12),

6. 10503943 - Log scanning system (2019-12-10),

7. 8989910 - Systems and methods for data mining of energy consumption data (2015-03-24),

8. 5955735 - Apparatus and method for positively identifying synthetic silicon (1999-09-21),

9. 5882786 - Gemstones formed of silicon carbide with diamond coating (1999-03-16),

10. 5835205 - Optical testing system for distinguishing a silicon carbide gemstone (1998-11-10),

11. 5762896 - Silicon carbide gemstones (1998-06-09),

12. 5723391 - Silicon carbide gemstones (1998-03-03),

C3 Corporation is a leading provider of innovative technology solutions for businesses. Specializing in IT consulting, software development, and cybersecurity services, C3 Corporation helps clients optimize their operations and stay ahead of the competition. With a dedicated team of experts and a track record of successful projects, C3 Corporation is committed to delivering superior results for every client.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

12 Patents

#14 in Appleton, WI

#563 in Wisconsin

#24,782 in US

#46,701 in the World

Appleton, WI, United States of America

C3 Corporation

Forward Citations = 326

18 inventors:

Jeffery J VanHandel (5 out of 5 patents)

Alex N Kuffel (5 out of 5 patents)

Alex M Zirbel (5 out of 5 patents)

4. Joseph F Van De Hey (5 out of 5 patents)

5. Charles Eric Hunter (4 out of 82 patents)

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