Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DL

Duane J. Linsenbardt

SPSpyrus: 5 patents #1 of 28Top 4%
San Jose, CA: #10,736 of 32,062 inventorsTop 35%
California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,001,246 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9521123 Method for file encryption Robert R. Jueneman, John N. Young, William Reid Carlisle, Burton George Tregub 2016-12-13
9049010 Portable data encryption device with configurable security functionality and method for file encryption Robert R. Jueneman, John N. Young, William Reid Carlisle, Burton George Tregub 2015-06-02
8009829 Method and system for deploying advanced cryptographic algorithms Robert R. Jueneman, John N. Young, William Reid Carlisle 2011-08-30
7356692 Method and system for enforcing access to a computing resource using a licensing attribute certificate William P. Bialick, Russell Housley, Charles R. Moore 2008-04-08
6904523 Method and system for enforcing access to a computing resource using a licensing attribute certificate William P. Bialick, Russell Housley, Charles R. Moore 2005-06-07