Dulliken, Switzerland

Dihart Ag


USPTO Granted Patents = 5

% Expired Patents = 20.0

Trademarks = 1

Forward Citations = 68

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6 inventors (with patents filed for the assignee):

goldMedal Otto Buettiker (3 out of 4 patents)

silverMedal Roman Eigenmann (2 out of 4 patents)

bronzeMedal Johannes Christoffel (2 out of 2 patents)

4.  Jacek Kruszynski (1 out of 11 patents)

5.  John Christoffel (1 out of 1 patent)

6.  Istvan Vig (1 out of 4 patents)


5 patents:

Company Overview
Dihart AG is a leading manufacturer of precision cutting tools for various industries. With over 50 years of experience, they provide high-quality tools such as end mills, drills, and reamers to customers worldwide. Their focus on innovation and advanced technology allows them to deliver cutting-edge solutions for machining processes. Dihart AG is committed to offering reliable products and exceptional customer service to meet the needs of their clients.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#2 in Dulliken

#1,706 in Switzerland

Dulliken, CH
Dulliken, Switzerland
Forward Citations = 68

6 inventors:

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dihart Ag. Retrieved from https://idiyas.com/company/dihart-ag

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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