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Frankfurt am Main, Germany

Deutsche Carbone Ag

USPTO Granted Patents = 16

Forward Citations = 103

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29 inventors (with patents filed for the assignee):

Hartmut E Bruschke (4 out of 9 patents)

Wilhelm Latz (3 out of 3 patents)

Hermann A Steinhauser (3 out of 4 patents)

4. Conrad H Reynvaan (3 out of 4 patents)

5. Arwed Uecker (2 out of 4 patents)

6. Jurgen Spangenberg (2 out of 2 patents)

7. Hartmut E Brueschke (2 out of 4 patents)

8. Guido Ellinghorst (2 out of 4 patents)

9. Quang T Nguyen (2 out of 2 patents)

10. Walter H Schneider (2 out of 4 patents)

11. Andreas Hübner (1 out of 2 patents)

12. Jürgen Spangenberg (1 out of 1 patent)

13. Emmanuel Joly (1 out of 1 patent)

14. Ulrich Sussel (1 out of 1 patent)

15. Sevket Harmanci (1 out of 1 patent)

16 patents: Sort by Forward Citations

1. 7449144 - Process for manufacturing a sliding contact piece for medium to high current densities (2008-11-11),

2. 6278215 - Carbon brush with at least one pressed-in stranded copper wire (2001-08-21),

3. 6268679 - Carbon brush for an electrical machine in a vehicle (2001-07-31),

4. 6123252 - Process for fixing a graphite-rich material onto a metallic body (2000-09-26),

5. 6091178 - Carbon brush for electric fuel pumps (2000-07-18),

6. 5700374 - Pervaporation membranes and use thereof (1997-12-23),

7. 5626803 - Process for economical manufacture of brushes of predetermined anisotropy (1997-05-06),

8. 5611930 - Cellulose ester blend membranes, process for making same and their use (1997-03-18),

9. 5590708 - Heat exchanger block (1997-01-07),

10. 5558776 - Process for the manufacture of a composite plasma membrane and use (1996-09-24),

11. 5512179 - Membrane process for separation of fluid mixtures (1996-04-30),

12. 5385647 - Process for the reduction of the alcohol content of alcoholic beverages (1995-01-31),

13. 5334314 - Composition membrane for separating water from fluids containing organic (1994-08-02),

14. 5270504 - Sliding contact member for high currrent densities (1993-12-14),

15. 5164424 - Polymer having a betaine structure, solution diffusion membrane, process (1992-11-17),

Deutsche Carbone Ag is a leading provider of carbon materials and solutions for a wide range of industries. With a focus on innovation and sustainability, we offer high-quality products and services to meet the unique needs of our customers. Our dedicated team of experts is committed to delivering exceptional value and performance in every aspect of our business.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

16 Patents

#44 in Frankfurt am Main

#2,625 in Germany

#36,617 in the World

Frankfurt am Main, Germany

Deutsche Carbone Ag

Forward Citations = 103

29 inventors:

Hartmut E Bruschke (4 out of 9 patents)

Wilhelm Latz (3 out of 3 patents)

Hermann A Steinhauser (3 out of 4 patents)

4. Conrad H Reynvaan (3 out of 4 patents)

5. Arwed Uecker (2 out of 4 patents)

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