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Valley Forge, PA, United States of America

General Refractories Company

USPTO Granted Patents = 32

Trademarks = 3

Forward Citations = 221

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33 inventors (with patents filed for the assignee):

Franz J Brodmann (6 out of 6 patents)

Francis W Henry, Jr (5 out of 5 patents)

Joseph L Stein (4 out of 7 patents)

4. Ronald Staut (4 out of 4 patents)

5. Wate Thewis Bakker (3 out of 3 patents)

6. Charles Lamar Turner (2 out of 2 patents)

7. Grant M Farrington (2 out of 2 patents)

8. J Donald Harris (2 out of 2 patents)

9. Alfred H Foessel (2 out of 2 patents)

10. Henry E Anthonis (2 out of 2 patents)

11. Jeffrey A Mazur (2 out of 2 patents)

12. Merrill Wood, Jr (2 out of 2 patents)

13. Thomas J Maskell (2 out of 2 patents)

14. Subrata Banerjee (2 out of 2 patents)

15. Howard L Roenigk (1 out of 3 patents)

Core Competencies:

Refractory Block

Kiln

Resin Binder

Perlite

Alumina

Ceramic Ignitor

Magnesia

Taphole Mix

Insulation

Chromite

Aluminum-Melting

Sinter

32 patents: Sort by Forward Citations

1. 4975049 - Refractory block for rotary kiln (1990-12-04),

2. 4554035 - Method of manufacturing a slide gate (1985-11-19),

3. 4453637 - Double compartment valve bag (1984-06-12),

4. 4446040 - Strong, heat stable, water repellent, expanded perlite/alkali metal (1984-05-01),

5. 4423026 - Densification of caustic magnesia and sintered periclase by acid doping (1983-12-27),

6. 4399982 - Heavy petroleum oil plasticized, tar bonded taphole mix (1983-08-23),

7. 4387173 - Use of resorcinal polymer blend as a binder for carbon-containing (1983-06-07),

8. 4383624 - Slide gate (1983-05-17),

9. 4381355 - Resorcinol polymer bonded taphole mix and specialty materials (1983-04-26),

10. 4379866 - Plugging refractory material having resin binder system (1983-04-12),

11. 4375518 - Resinous petroleum residue refractory binders (1983-03-01),

12. 4294618 - Silica-doped, chrome-alumina monolithic refractory compositions (1981-10-13),

13. 4261154 - Method and an external plating arrangement for sealing off the cold end (1981-04-14),

14. 4260872 - Ceramic ignitor (1981-04-07),

15. 4212778 - Periclase refractory and its method of manufacture (1980-07-15),

Company Overview

General Refractories Company, based in Valley Forge, PA, specializes in the development and manufacturing of high-quality refractory products. These materials are essential for industries that require heat-resistant solutions, such as steel, glass, and cement production. The company focuses on innovation in refractory technology, providing tailored solutions to meet the specific needs of its clients. With a commitment to quality and performance, General Refractories plays a vital role in enhancing operational efficiency across various industrial sectors.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

32 Patents

#4 in Valley Forge, PA

#382 in Pennsylvania

#10,607 in US

#20,697 in the World

Valley Forge, PA, United States of America

General Refractories Company

Forward Citations = 221

33 inventors:

Franz J Brodmann (6 out of 6 patents)

Francis W Henry, Jr (5 out of 5 patents)

Joseph L Stein (4 out of 7 patents)

4. Ronald Staut (4 out of 4 patents)

5. Wate Thewis Bakker (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: General Refractories Company. Retrieved from https://idiyas.com/company/general-refractories-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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