Company Badge
USPTO Data Jan 1 1976 - Oct 20 2026
6 Patents
#3 in Hedehusene
#412 in Denmark
Silentor Holding A/s
Forward Citations = 161
6 inventors:
Silentor Holding A/s
% Expired Patents = 50.0
EPO Patents = 4
Forward Citations = 161
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6 inventors (with patents filed for the assignee):
Svend Frederiksen (6 out of 9 patents)
Lars Frederiksen (3 out of 13 patents)
Eyvind Frederiksen (2 out of 2 patents)
4. Soren Aerendal Mikkelsen (1 out of 1 patent)
5. Spencer C Sorenson (1 out of 1 patent)
6. Carl Peter Sehested (1 out of 1 patent)
6 patents:
Company Overview
Silentor Holding A/S is a Danish company specializing in soundproofing solutions for various industries. With over 20 years of experience, Silentor offers innovative products and services to help businesses reduce noise pollution and improve acoustics. Their expertise lies in creating customized solutions that meet the specific needs of their clients, delivering superior performance and customer satisfaction.
Profile summary synthesized from public USPTO records and patent filings.
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Silentor Holding A/s. Retrieved from https://idiyas.com/company/silentor-holding-a-s
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]
4 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]