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USPTO Data Jan 1 1976 - Oct 20 2026
5 Patents
#2 in Frechen
#6,102 in Germany
Quarzwerke Gmbh
Forward Citations = 10
16 inventors:
Quarzwerke Gmbh
% Expired Patents = 20.0
CIPO Patents = 1
EPO Patents = 8
Trademarks = 8
Forward Citations = 10
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16 inventors (with patents filed for the assignee):
Jörg Ulrich Zilles (3 out of 3 patents)
Dirk Kruber (1 out of 1 patent)
Arno Seeboth (1 out of 5 patents)
4. Ralf Ruhmann (1 out of 9 patents)
5. Olaf Mühling (1 out of 3 patents)
6. Michael Riess (1 out of 1 patent)
7. Nicola Panic (1 out of 1 patent)
8. Norbert Fenten (1 out of 2 patents)
9. Wilfried Wolf (1 out of 1 patent)
10. Manfred Fischer (1 out of 1 patent)
11. Horst Peterling (1 out of 2 patents)
12. Klaus Keuser (1 out of 1 patent)
13. Johannes Kaiser (1 out of 1 patent)
14. Wilheim Wust (1 out of 1 patent)
15. Max Kellermann (1 out of 1 patent)
5 patents:
Company Overview
Quarzwerke GmbH is a leading supplier of high-quality industrial minerals. With over 130 years of experience, the company specializes in the extraction and processing of quartz, feldspar, and other minerals. Quarzwerke offers a wide range of products for various industries, including glass, ceramics, and construction. The company is known for its commitment to sustainability and environmental responsibility.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Quarzwerke Gmbh. Retrieved from https://idiyas.com/company/quarzwerke
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]
1 patent (CIPO):
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]
8 patents (EPO):
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]