This inventor holds 7 USPTO granted patents and 3 published patent applications and 2 EPO patents. Top assignees: Arch Development Corporation, The University of Chicago, The University of Texas System. Active years: 1996-2021.
IDiyas Innovation Intelligence. (2026). Inventor Profile: David J Grdina. Retrieved from https://idiyas.com/inventor/david-j-grdina
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Calculating rank
USPTO Granted Patents = 7 (Patent Applications = 3)
% Patents Active = 100.0
EPO Patents = 2 (Patent Applications = 3)
Average Co-Inventor Count = 1.1
ph-index = 5
Forward Citations = 53(Granted Patents)
Company Filing History:
5 out of 349 
Arch Development Corporation
2 out of 971 
The University of Chicago
1 out of 5,649 
The University of Texas System
where one patent can have more than one assignee
Years Active: 1996-2021
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7 patents (USPTO):Explore Patents
Profile summary based on public USPTO records.
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]
3 patents pending:
IDiyas Innovation Intelligence. (2026). Inventor Profile: David J Grdina. Retrieved from https://idiyas.com/inventor/david-j-grdina
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]
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]
3 patents pending (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]