Forward Citations = 79

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9 inventors (with patents filed for the assignee):

John K Williams (5 out of 5 patents)

Charles P Heanley (5 out of 6 patents)

Jozef K Tylko (5 out of 7 patents)

4. Takumi Fukunishi (2 out of 7 patents)

5. Leonard E Olds (2 out of 10 patents)

6. Takao Matsuoka (2 out of 2 patents)

7. Gerhardus Overbeek (1 out of 1 patent)

8. Michael J Cusick (1 out of 1 patent)

9. Josef Kazimierz Tylko (1 out of 1 patent)

11 patents: Sort by Forward Citations

1. 5376767 - Plasma torch and an apparatus for producing fused silica using plasma (1994-12-27),

2. 5256855 - Silica production (1993-10-26),

3. 5104432 - Process for fiberizing molten glass or refractory oxide materials (1992-04-14),

4. 5028248 - Method of melting materials and apparatus therefor (1991-07-02),

5. 4891060 - Process for the recovery of gold using plasma (1990-01-02),

6. 4177060 - Reduction of stable oxides (1979-12-04),

7. 4154972 - Apparatus and procedure for reduction of metal oxides (1979-05-15),

8. 4152169 - Production of hydraulic cements and cement-forming materials (1979-05-01),

9. 3995022 - Serial preparation of narrow traces of cellular biological fluids (1976-11-30),

10. 3936586 - Arc furnaces and to methods of treating materials in such furnaces (1976-02-03),

11. 3932171 - Process for high temperature treatment of materials (1976-01-13),

Company Overview

Tetronics Research and Development Company Ltd. is a pioneering organization based in Oxfordshire, specializing in advanced technologies for waste treatment and resource recovery. The company focuses on developing innovative solutions that utilize plasma technology to transform hazardous materials into valuable resources, thereby promoting sustainability and environmental stewardship. With a commitment to research and development, Tetronics aims to address global challenges in waste management and resource efficiency, contributing to a cleaner and more sustainable future.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

11 Patents

#13 in Oxfordshire

#1,600 in United Kingdom

#51,801 in the World

Oxfordshire, United Kingdom

Tetronics Research and Development Company Ltd.

Forward Citations = 79

9 inventors:

John K Williams (5 out of 5 patents)

Charles P Heanley (5 out of 6 patents)

Jozef K Tylko (5 out of 7 patents)

4. Takumi Fukunishi (2 out of 7 patents)

5. Leonard E Olds (2 out of 10 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tetronics Research and Development Company Ltd.. Retrieved from https://idiyas.com/company/tetronics-research-and-development-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]