For the Inventor, By the Inventor

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Rheineck, Switzerland

Zullig Ag

USPTO Granted Patents = 2

% Expired Patents = 50.0

EPO Patents = 1

Forward Citations = 6

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6 inventors (with patents filed for the assignee):

Philippe Rychen (1 out of 11 patents)

Hartmut Kanngiesser (1 out of 8 patents)

Jean Gobet (1 out of 4 patents)

4. Eduardo Santoli (1 out of 1 patent)

5. Remo Pfändler (1 out of 1 patent)

6. Paul Bitsche (1 out of 1 patent)

2 patents: Sort by Forward Citations

1. 7875164 - Method for use of an electrochemical sensor and electrodes forming said sensor (2011-01-25),

2. 5416581 - Device and process for measuring solid concentrations in liquids (1995-05-16),

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USPTO Data Jan 1 1976 - Sep 22 2026

2 Patents

#2 in Rheineck

#3,073 in Switzerland

Rheineck, Switzerland

Zullig Ag

Forward Citations = 6

6 inventors:

Philippe Rychen (1 out of 11 patents)

Hartmut Kanngiesser (1 out of 8 patents)

Jean Gobet (1 out of 4 patents)

4. Eduardo Santoli (1 out of 1 patent)

5. Remo Pfändler (1 out of 1 patent)

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