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USPTO Data Jan 1 1976 - Oct 13 2026
3 Patents
#3 in Colonial Heights, VA
#1,328 in Virginia
#73,860 in US
Filtrona Porous Technologies Corp.
Forward Citations = 14
7 inventors:
Colonial Heights, VA, United States of America
Filtrona Porous Technologies Corp.
% Expired Patents = 66.7
EPO Patents = 2
Trademarks = 7
Forward Citations = 14
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7 inventors (with patents filed for the assignee):
Bennett Ward (3 out of 13 patents)
Wolfgang Broosch (2 out of 3 patents)
Bernhard Kutscha (2 out of 3 patents)
4. Geoffrey M Stoltz (1 out of 2 patents)
5. Ronald J Binshtok (1 out of 1 patent)
6. James R Lisk (1 out of 1 patent)
7. Dirk H Kemper (1 out of 1 patent)
8. Jian Xiang (3 patents)
9. Thomas E Harris, Jr (1 patent)
10. Bennett Clayton Ward (1 patent)
11. Bennett C Ward (0 patent)
12. David B Harris (0 patent)
13. Bernard E Kutscha (0 patent)
3 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Filtrona Porous Technologies Corp.. Retrieved from https://idiyas.com/company/filtrona-porous-technologies
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]
2 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]