For the Inventor, By the Inventor

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Zug, Switzerland

Perfluktiv Technik Ag

USPTO Granted Patents = 3

Forward Citations = 6

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5 inventors (with patents filed for the assignee):

Erich Sundermann (3 out of 7 patents)

Hans Reye (3 out of 6 patents)

Hanno Laurien (2 out of 6 patents)

4. Otto Abel (1 out of 4 patents)

5. Jurgen Ritter (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4752359 - Method of producing active form coke (1988-06-21),

2. 4741889 - Process for adsorptive removal of substances from flue gases (1988-05-03),

3. 4703032 - Active coke produced from pit coal and production process thereof (1987-10-27),

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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#136 in Zug

#2,398 in Switzerland

Zug, Switzerland

Perfluktiv Technik Ag

Forward Citations = 6

5 inventors:

Erich Sundermann (3 out of 7 patents)

Hans Reye (3 out of 6 patents)

Hanno Laurien (2 out of 6 patents)

4. Otto Abel (1 out of 4 patents)

5. Jurgen Ritter (1 out of 1 patent)

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