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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#113 in Wuppertal
#10,696 in Germany
Pelzer Acoustic Products Gmbh
Forward Citations = 19
3 inventors:
Pelzer Acoustic Products Gmbh
% Expired Patents = 100.0
Forward Citations = 19
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3 inventors (with patents filed for the assignee):
Hans-Peter Keller (1 out of 3 patents)
Marc Pelzer (1 out of 1 patent)
Stefan Janzen (1 out of 1 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pelzer Acoustic Products Gmbh. Retrieved from https://idiyas.com/company/pelzer-acoustic-products
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]
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]