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Trademarks = 1

Forward Citations = 56

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16 inventors (with patents filed for the assignee):

Bernd Wohletz (1 out of 3 patents)

Udo Gruber (1 out of 15 patents)

Lyman T Moore (1 out of 6 patents)

4. Adolf Swozil (1 out of 7 patents)

5. Gerhard Ullmann (1 out of 6 patents)

6. Siegbert Rittner (1 out of 25 patents)

7. Thomas E Fleckenstein (1 out of 1 patent)

8. Gregory Agnello (1 out of 1 patent)

9. Donald P Allen (1 out of 3 patents)

10. Larry E Ledford (1 out of 1 patent)

11. Joseph M Rua (1 out of 2 patents)

12. Berch Y Karagoz (1 out of 6 patents)

13. Jurgen Spiske (1 out of 1 patent)

14. Dieter Kompalik (1 out of 1 patent)

15. Hinrich Habenicht (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5509993 - Process for the preparation of a metal and graphite laminate (1996-04-23),

2. 5387172 - Fiber-reinforced plastic cylinder with an outer wear-resistant layer of (1995-02-07),

3. 5299225 - Graphitization furnace (1994-03-29),

4. 5281479 - Corrosion and heat-resistant ordered packing for mass transfer and heat (1994-01-25),

5. 5211220 - Tube for a shell and tube heat exchanger and process for the manufacture (1993-05-18),

Sigri Great Lakes Carbon Gmbh is a leading manufacturer of carbon and graphite products. With over 50 years of experience, the company offers a wide range of high-quality products for various industries including aerospace, automotive, and electronics. Sigri Great Lakes Carbon Gmbh is known for its expertise in developing innovative solutions to meet the needs of its customers.

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

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USPTO Data Jan 1 1976 - Jan 6 2026

5 Patents

#4 in Meitingen

#6,008 in Germany

Meitingen, Germany

Sigri Great Lakes Carbon Gmbh