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USPTO Data Jan 1 1976 - Oct 20 2026
2 Patents
#908 in Wilmington, DE
#1,328 in Delaware
#94,905 in US
Pq Holding, Inc.
Forward Citations = 18
3 inventors:
Wilmington, DE, United States of America
Pq Holding, Inc.
CIPO Patents = 2
EPO Patents = 1
Forward Citations = 18
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3 inventors (with patents filed for the assignee):
Yatao Rachel Hu (1 out of 12 patents)
Kenneth A Berg (1 out of 4 patents)
Anthony L Dent (1 out of 1 patent)
4. Larissa Ding (2 patents)
5. Elliot P Hertzenberg (17 patents)
6. William E Cormier (1 patent)
7. Robert E Patterson (0 patent)
8. David A Cooper (0 patent)
9. Theodorus L M Maesen (0 patent)
2 patents:
IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Pq Holding, Inc.. Retrieved from https://idiyas.com/company/pq-holding
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]
2 patents (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]
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]