For the Inventor, By the Inventor

Enter assignee name

Danbury, CT, United States of America

Ucar Carbon Technology Corporation

USPTO Granted Patents = 71

Trademarks = 4

Forward Citations = 1,087

Loading Chart...

Loading Chart...

63 inventors (with patents filed for the assignee):

Irwin Charles Lewis (17 out of 63 patents)

Robert Angelo Mercuri (16 out of 65 patents)

Ronald Alfred Greinke (13 out of 25 patents)

4. Ronald A Howard (12 out of 16 patents)

5. Mark T Arthur (8 out of 13 patents)

6. Terrence A Pirro (6 out of 8 patents)

7. Jeffrey John Gough (6 out of 9 patents)

8. Richard I Bretz (6 out of 6 patents)

9. Joseph Paul Capp (4 out of 19 patents)

10. Frank Henry Miner, Jr (4 out of 6 patents)

11. Thomas H Orac (4 out of 5 patents)

12. David R Ball (3 out of 6 patents)

13. Francis E Wise (3 out of 3 patents)

14. Dennis J Kampe (3 out of 6 patents)

15. David A Lehr (3 out of 3 patents)

Core Competencies:

Flexible Graphite Composite

Fuel Cell Elements

Carbon-Carbon Composites

Electrically Conductive Seal

Oxidation Resistant

Graphite Electrode

Thermal Stress Relief

Carbonaceous Cement

Electrochemical Cells

Modular Furnace Roof

Methane Storage

Graphitization Process

71 patents: Sort by Forward Citations

1. 6395220 - Carbon fiber binder pitch (2002-05-28),

2. 6074585 - Flexible graphite composite (2000-06-13),

3. 6060189 - Electrically conductive seal for fuel cell elements (2000-05-09),

4. 6037074 - Flexible graphite composite for use in the form of a fuel cell flow (2000-03-14),

5. 6017633 - Flexible graphite composite sheet and method (2000-01-25),

6. 5999558 - Integral spray cooled furnace roof and fume elbow (1999-12-07),

7. 5990027 - Flexible graphite composite (1999-11-23),

8. 5985452 - Flexible graphite composite sheet and method (1999-11-16),

9. 5981072 - Oxidation and corrosion resistant flexible graphite composite sheet and (1999-11-09),

10. 5976727 - Electrically conductive seal for fuel cell elements (1999-11-02),

11. 5902762 - Flexible graphite composite (1999-05-11),

12. 5887017 - Panelized spray-cooled furnace roof (1999-03-23),

13. 5885728 - Flexible graphite composite (1999-03-23),

14. 5846459 - Method of forming a flexible graphite sheet with decreased anisotropy (1998-12-08),

15. 5843298 - Method of production of solids-free coal tar pitch (1998-12-01),

UCAR Carbon Technology Corporation is a leading global supplier of carbon products. With over 100 years of experience, we specialize in the development, manufacturing, and distribution of high-quality carbon materials, including graphite electrodes, specialty carbon products, and advanced carbon materials for various industries. Our commitment to innovation, quality, and sustainability has made us a trusted partner for companies worldwide. To learn more about our products and services, please visit our website.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

71 Patents

#10 in Danbury, CT

#140 in Connecticut

#5,159 in US

#10,492 in the World

Danbury, CT, United States of America

Ucar Carbon Technology Corporation

Forward Citations = 1,087

63 inventors:

Irwin Charles Lewis (17 out of 63 patents)

Robert Angelo Mercuri (16 out of 65 patents)

Ronald Alfred Greinke (13 out of 25 patents)

4. Ronald A Howard (12 out of 16 patents)

5. Mark T Arthur (8 out of 13 patents)

Please report any incorrect information to [email protected]

Loading…