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USPTO Data Jan 1 1976 - Nov 10 2026
6 Patents
#13 in Kaiserslautern
#5,418 in Germany
Gebr. Pfeiffer Ag
Forward Citations = 19
8 inventors:
Gebr. Pfeiffer Ag
Calculating rank
EPO Patents = 1
Forward Citations = 19
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8 inventors (with patents filed for the assignee):
Ottmar Bacharach (3 out of 3 patents)
Dirk Hoffmann (2 out of 4 patents)
Otto Jung (2 out of 2 patents)
4. Karl-Heinz Schuette (2 out of 2 patents)
5. Hardy Lessmeister (1 out of 2 patents)
6. Thomas Hoster (1 out of 1 patent)
7. Siegfried Schauer (1 out of 1 patent)
8. Herbert Schafer (1 out of 1 patent)
9. Karl-Heinz Schütte (2 patents)
6 patents:
Company Overview
Gebr. Pfeiffer AG is a global leader in the supply of vertical roller mills for the cement, power and minerals processing industries. With over 150 years of experience, the company offers innovative solutions that increase efficiency and sustainability in the production process.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Gebr. Pfeiffer Ag. Retrieved from https://idiyas.com/company/gebr-pfeiffer-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]
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 (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]