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For the Inventor, By the Inventor

Tonawanda, NY, United States of America

Unifrax I LLC


USPTO Granted Patents = 60

% Expired Patents = 30.0



Trademarks = 39

Forward Citations = 269

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56 inventors (with patents filed for the assignee):

goldMedal Bruce Kendall Zoitos (19 out of 27 patents)

silverMedal Michael J Andrejcak (14 out of 18 patents)

bronzeMedal Amit Kumar (13 out of 16 patents)

4.  Kenneth B Miller (12 out of 18 patents)

5.  Joseph A Fernando (11 out of 11 patents)

6.  Donghui Zhao (10 out of 11 patents)

7.  Jason M Hamilton (10 out of 10 patents)

8.  Mark E Beauharnois (5 out of 7 patents)

9.  Adam Kelsall (5 out of 7 patents)

10.  Chad D Cannan (5 out of 53 patents)

11.  Karen L Hanson (4 out of 5 patents)

12.  Jonathan Cross (4 out of 5 patents)

13.  John D Ten Eyck (4 out of 10 patents)

14.  Robert F Rioux (4 out of 145 patents)

15.  Mauricio Munhoz De Souza (3 out of 3 patents)


Core Competencies:
Ceramic Aggregates
Fire Protection Material
High Temperature Resistance
Low Biopersistence Fibers
Inorganic Fiber
Exhaust Gas Treatment
Fire Barrier Layer
Insulation Mat
Catalytic Element
Multi-Layer Composite
Activated Porous Fibers
Silicon-Based Anode

60 patents:

1. 12741908 - Light weight ceramic aggregates made by agglomerating ceramic fibers (2026-09-22),
2. 12679762 - Low bio-persistent high temperature resistant inorganic fibers (2026-07-14),
3. 12595418 - Fiber-containing fire protection material (2026-04-07),
4. 12562434 - Lightweight nonwoven fiber mats (2026-02-24),
5. 12139669 - Exhaust gas control valve (2024-11-12),
6. 12122704 - Low biopersistence inorganic fiber free of crystalline silica (2024-10-22),
7. 11987914 - Activated porous fibers and products including same (2024-05-21),
8. 11905870 - Catalytic element with inductive heater (2024-02-20),
9. 11766662 - Homogeneous catalytic fiber coatings and methods of preparing same (2023-09-26),
10. 11652201 - Silicon-based anode material for lithium ion battery (2023-05-16),
11. 11203551 - Low biopersistence inorganic fiber free of crystalline silica (2021-12-21),
12. 11069885 - Silicon-based anode material for lithium ion battery (2021-07-20),
13. 10882779 - Inorganic fiber (2021-01-05),
14. 10745571 - Fire protective compositions and associated methods (2020-08-18),
15. 10526730 - Treatment of tough inorganic fibers and their use in a mounting mat for exhaust gas treatment device (2020-01-07),
Company Overview
Unifrax I LLC, headquartered in Tonawanda, NY, specializes in the development and manufacturing of advanced inorganic fiber technologies. The company focuses on producing high-performance materials such as ceramic aggregates and fire protection solutions that exhibit exceptional high-temperature resistance and low biopersistence. Unifrax's innovations are integral to various applications, including exhaust gas treatment and insulation systems, providing effective fire barrier layers and enhancing safety in industrial and commercial settings.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Unifrax I LLC USPTO Patent Assignee Logo
60 Patents

#2 in Tonawanda, NY

#361 in New York

#5,991 in US

#12,077 in the World

Tonawanda, NY (US)
Tonawanda, NY, United States of America

Unifrax I LLC

Forward Citations = 269

56 inventors:

goldMedal Bruce Kendall Zoitos (19 out of 27 patents)

silverMedal Michael J Andrejcak (14 out of 18 patents)

bronzeMedal Amit Kumar (13 out of 16 patents)

4.  Kenneth B Miller (12 out of 18 patents)

5.  Joseph A Fernando (11 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Unifrax I LLC. Retrieved from https://idiyas.com/company/unifrax-i

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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