For the Inventor, By the Inventor

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Heidelberg, Germany

Hans Geuder Gmbh

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USPTO Granted Patents = 3

Forward Citations = 114

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4 inventors (with patents filed for the assignee):

Volker Geuder (3 out of 8 patents)

Dieter Frauenfeld (1 out of 4 patents)

Hans Geuder (1 out of 1 patent)

4. Hans-Reinhard Koch (1 out of 3 patents)

3 patents: Sort by Forward Citations

1. 5879356 - Surgical instrument for crushing crystalline eye lenses by means of (1999-03-09),

2. 5693013 - Apparatus for aspirating lens debris during cataract operations (1997-12-02),

3. 5451229 - Cannula for an eye-surgery instrument (1995-09-19),

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USPTO Data Jan 1 1976 - Oct 27 2026

3 Patents

#75 in Heidelberg

#8,436 in Germany

Heidelberg, Germany

Hans Geuder Gmbh

Forward Citations = 114

4 inventors:

Volker Geuder (3 out of 8 patents)

Dieter Frauenfeld (1 out of 4 patents)

Hans Geuder (1 out of 1 patent)

4. Hans-Reinhard Koch (1 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Hans Geuder Gmbh. Retrieved from https://idiyas.com/company/hans-geuder

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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