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Parma, OH, United States of America

Graftech Inc.

USPTO Granted Patents = 25

EPO Patents = 2

Trademarks = 2

Forward Citations = 475

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18 inventors (with patents filed for the assignee):

Robert Angelo Mercuri (16 out of 65 patents)

Thomas William Weber (8 out of 27 patents)

Michael Lee Warddrip (6 out of 12 patents)

4. Ronald Alfred Greinke (4 out of 25 patents)

5. Daniel Witold Krassowski (4 out of 16 patents)

6. Jeremy Hager Klug (2 out of 20 patents)

7. Paul Calarco (2 out of 4 patents)

8. Jing-Wen Tzeng (2 out of 5 patents)

9. Robert Anderson Reynolds, Iii (2 out of 25 patents)

10. Brian McNeil Ford (2 out of 7 patents)

11. Julian Norley (1 out of 26 patents)

12. Joseph Paul Capp (1 out of 19 patents)

13. Paul L Lagraff (1 out of 2 patents)

14. Robert T Letarte (1 out of 2 patents)

15. David Paul Blain (1 out of 4 patents)

25 patents: Sort by Forward Citations

1. 6604457 - Process and apparatus for embossing graphite articles (2003-08-12),

2. 6592982 - Flexible graphite capacitor element (2003-07-15),

3. 6582846 - Method for preparing fuel cell component substrate of flexible graphite material having improved catalytic properties (2003-06-24),

4. 6555271 - Anode for lithium-ion battery (2003-04-29),

5. 6548156 - Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity (2003-04-15),

6. 6538892 - Radial finned heat sink (2003-03-25),

7. 6528199 - Graphite article useful as an electrode for an electrochemical fuel cell (2003-03-04),

8. 6521369 - Flooding-reducing fuel cell electrode (2003-02-18),

9. 6517964 - Catalyst support material for fuel cell (2003-02-11),

10. 6506484 - Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity (2003-01-14),

11. 6503652 - Fuel cell assembly method with selective catalyst loading (2003-01-07),

12. 6503626 - Graphite-based heat sink (2003-01-07),

13. 6479182 - Fuel cell electrode assembly with selective catalyst loading (2002-11-12),

14. 6468686 - Fluid permeable flexible graphite fuel cell electrode with enhanced electrical and thermal conductivity (2002-10-22),

15. 6463814 - Bioaerosol slit impaction sampling device (2002-10-15),

GrafTech Inc. is a leading manufacturer of graphite electrode products essential to the production of electric arc furnace steel and other ferrous and non-ferrous metals. The company is headquartered in Brooklyn Heights, Ohio, USA, with manufacturing facilities located in the US, Europe, and Asia. GrafTech operates through two business segments: Industrial Materials, which focuses on manufacturing and selling the graphite electrodes, and Engineered Solutions, which offers advanced graphite/carbon composite materials and components for various industries. With a commitment to sustainable practices, GrafTech is well-positioned to serve its global customer base in the steel, automotive, semiconductor, aerospace, and energy industries.

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Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

25 Patents

#2 in Parma, OH

#549 in Ohio

#12,911 in US

#24,931 in the World

Parma, OH, United States of America

Graftech Inc.

Forward Citations = 475

18 inventors:

Robert Angelo Mercuri (16 out of 65 patents)

Thomas William Weber (8 out of 27 patents)

Michael Lee Warddrip (6 out of 12 patents)

4. Ronald Alfred Greinke (4 out of 25 patents)

5. Daniel Witold Krassowski (4 out of 16 patents)

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