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

David Ritzel

DSDynamic Shelters: 4 patents #2 of 5Top 40%
OROra: 1 patents #9 of 22Top 45%
Amherstburg, CA: #14 of 78 inventorsTop 20%
Overall (All Time): #844,114 of 4,157,543Top 25%
6 Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
9637945 Air beam system for an air beam structure for shielding against airborne projectiles Harold Warner 2017-05-02
9637946 Air beam system for an air beam structure Harold Warner 2017-05-02
9395160 Air beam system for an air beam structure Harold Warner 2016-07-19
9267765 Tethermast and frag wall Harold Warner 2016-02-23
9027383 Shock tube apparatus for blast wave simulation Steven Parks 2015-05-12
5253585 Explosive pipe crimping method and devices David Hudak, Andrew McQuilkin, Stephen Burke Murray 1993-10-19