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For the Inventor, By the Inventor

Pulheim, Germany

Rpc Wiko Gmbh


USPTO Granted Patents = 3

% Expired Patents = 100.0

Forward Citations = 17

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6 inventors (with patents filed for the assignee):

goldMedal Wolfgang Heukamp (3 out of 11 patents)

silverMedal Hans-Joachim Ahrens (1 out of 3 patents)

bronzeMedal Roland Knauer (1 out of 1 patent)

4.  Frank Rauch (1 out of 1 patent)

5.  Stephan Porzelt (1 out of 1 patent)

6.  Barbara Kösske (1 out of 1 patent)


3 patents:

1. 7757900 - Dispenser pump (2010-07-20),
2. 7475436 - Dispenser stick (2009-01-13),
3. 7464839 - Dispenser head with a check valve (2008-12-16),
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USPTO Data Jan 1 1976 - Sep 29 2026

3 Patents

#2 in Pulheim

#8,414 in Germany

Pulheim, DE
Pulheim, Germany

Rpc Wiko Gmbh

Forward Citations = 17

6 inventors:

goldMedal Wolfgang Heukamp (3 out of 11 patents)

silverMedal Hans-Joachim Ahrens (1 out of 3 patents)

bronzeMedal Roland Knauer (1 out of 1 patent)

4.  Frank Rauch (1 out of 1 patent)

5.  Stephan Porzelt (1 out of 1 patent)

Please report any incorrect information to [email protected]
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