For the Inventor, By the Inventor

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Chicago, IL, United States of America

Superior Graphite Company

USPTO Granted Patents = 24

CIPO Patents = 13

EPO Patents = 1

Trademarks = 12

Forward Citations = 287

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29 inventors (with patents filed for the assignee):

Peter L Zaleski (11 out of 12 patents)

David J Derwin (7 out of 8 patents)

William M Goldberger (7 out of 14 patents)

4. Changjun Zhou (4 out of 4 patents)

5. Frank A Wawrzos (4 out of 5 patents)

6. Igor V Barsukov (3 out of 4 patents)

7. Donald J Weintritt (3 out of 3 patents)

8. Peter Roy Carney (2 out of 2 patents)

9. Henry Francois (2 out of 2 patents)

10. Walter H Flood, Jr (2 out of 3 patents)

11. Richard J Girkant (2 out of 2 patents)

12. Kenneth Skiles (2 out of 2 patents)

13. Michael A Castro (2 out of 2 patents)

14. James L Bruley (1 out of 1 patent)

15. Jess Maruri Garcia (1 out of 7 patents)

24 patents: Sort by Forward Citations

1. 9458703 - Compressible carbonaceous particulate material and method of making same (2016-10-04),

2. 9206681 - Wellbore fluid testing assembly (2015-12-08),

3. 8999898 - Drilling fluid additive for loss circulation and wellbore strengthening (2015-04-07),

4. 8617309 - Cement compositions including resilient graphitic carbon fraction (2013-12-31),

5. RE43044 - Electrically conductive pavement mixture (2011-12-26),

6. 7666469 - Method of making graphite-coated particulate materials (2010-02-23),

7. 7617869 - Methods for extracting oil from tar sand (2009-11-17),

8. 7402338 - Graphite-coated particulate materials (2008-07-22),

9. 6971819 - Electrically conductive pavement mixture (2005-12-06),

10. 6756027 - Method of preparing graphite intercalation compounds and resultant products (2004-06-29),

11. 6660434 - Engineered carbonaceous materials and power sources using these materials (2003-12-09),

12. 6350722 - High-temperature, water-based lubricant and process for making the same (2002-02-26),

13. 6287694 - Method for expanding lamellar forms of graphite and resultant product (2001-09-11),

14. 6194358 - Hopper car anti-bridging method and coating (2001-02-27),

15. 6169059 - High-temperature, water-based lubricant and process for making the same (2001-01-02),

Superior Graphite Company is a leading manufacturer of high-quality graphite and carbon-based products. With over 100 years of experience, Superior Graphite specializes in developing advanced solutions for various industries including aerospace, automotive, energy, electronics, and more. Their product portfolio includes graphite electrodes, specialty carbon products, thermal purification systems, and conductive materials. Headquartered in Chicago, Superior Graphite is committed to delivering innovative and sustainable products to meet the evolving needs of their customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

24 Patents

#165 in Chicago, IL

#695 in Illinois

#13,392 in US

#25,806 in the World

Chicago, IL, United States of America

Superior Graphite Company

Forward Citations = 287

29 inventors:

Peter L Zaleski (11 out of 12 patents)

David J Derwin (7 out of 8 patents)

William M Goldberger (7 out of 14 patents)

4. Changjun Zhou (4 out of 4 patents)

5. Frank A Wawrzos (4 out of 5 patents)

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