Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Alexander Ringrose

PLPax Labs: 2 patents #10 of 24Top 45%
JLJuul Labs: 1 patents #28 of 54Top 55%
Oakland, CA: #100 of 882 inventorsTop 15%
California: #8,414 of 66,859 inventorsTop 15%
Overall (2021): #91,314 of 548,734Top 20%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11196274 Charging case assembly Cesar Ambriz Rios, Wei-Ling Chang, Brandon Cheung, Richard Johnson, Nolan Y T Lau +3 more 2021-12-07
D923864 Vaporizer cartridge David Carlberg, Alexander Weiss, Devin Spratt, Marko Markovic, Robyn Nariyoshi +4 more 2021-06-29
D919881 Vaporizer device David Carlberg, Alexander Weiss, Devin Spratt, Marko Markovic, Robyn Nariyoshi +4 more 2021-05-18