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For the Inventor, By the Inventor

St. Louis, MO, United States of America

Hy-C Company LLC

Calculating rank
USPTO Granted Patents = 20

Trademarks = 14

Forward Citations = 90

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6 inventors (with patents filed for the assignee):

goldMedal Lei Zhu (7 out of 7 patents)

silverMedal Durward A Hisey (6 out of 6 patents)

bronzeMedal Yong He (5 out of 6 patents)

4.  Haibo Yang (4 out of 4 patents)

5.  Charles Randolph Stires (1 out of 1 patent)

6.  George L Kraemer (1 out of 1 patent)


20 patents:

1. 12147082 - Fiber-optic adapter assembly and fiber-optic connection device (2024-11-19),
2. 12105328 - Connection structure of an adapter and a connector (2024-10-01),
3. 11552423 - Connector assembly with an elastic piece (2023-01-10),
4. 11442233 - Lockable optical connector (2022-09-13),
5. 11333834 - Polarization maintaining connector (2022-05-17),
6. 11276964 - Connector assembly (2022-03-15),
7. 11205872 - Connector assembly with an elastic piece (2021-12-21),
8. 10809462 - Fiber optic adapter (2020-10-20),
9. 10439346 - Elastic piece structure and adapter (2019-10-08),
10. 10359582 - Fiber optic connector (2019-07-23),
11. 10241288 - Fiber optic adapter for proofing dust and light (2019-03-26),
12. 10215931 - Optical fiber connector having a slidable outer enclosure and a handle (2019-02-26),
13. 8157560 - Heater (2012-04-17),
14. 5228882 - Locking chimney cap (1993-07-20),
15. D298500 - Rack (1988-11-15),
Company Overview
Hy-C Company LLC, based in St. Louis, Missouri, specializes in the design and manufacturing of high-quality products for the outdoor cooking and grilling industry. The company is known for its innovative solutions, including fire pits, grills, and accessories that enhance outdoor culinary experiences. With a commitment to durability and performance, Hy-C integrates advanced materials and engineering techniques to meet the needs of both casual and professional users, establishing a strong presence in the outdoor lifestyle market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Hy-C Company LLC USPTO Patent Assignee Logo
20 Patents

#107 in St. Louis, MO

#233 in Missouri

#16,416 in US

#31,315 in the World

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

Hy-C Company LLC

Forward Citations = 90

6 inventors:

goldMedal Lei Zhu (7 out of 7 patents)

silverMedal Durward A Hisey (6 out of 6 patents)

bronzeMedal Yong He (5 out of 6 patents)

4.  Haibo Yang (4 out of 4 patents)

5.  Charles Randolph Stires (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hy-C Company LLC. Retrieved from https://idiyas.com/company/hy-c-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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