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

David Carlberg

PLPax Labs: 4 patents #2 of 24Top 9%
Portland, OR: #275 of 1,855 inventorsTop 15%
Oregon: #514 of 4,388 inventorsTop 15%
Overall (2021): #51,911 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D933286 Vaporizer cartridge Alexander Weiss, Timothy McFarland, Devin Spratt 2021-10-12
D923864 Vaporizer cartridge Alexander Weiss, Alexander Ringrose, Devin Spratt, Marko Markovic, Robyn Nariyoshi +4 more 2021-06-29
D923241 Vaporizer cartridge container Marko Markovic, Alexander Weiss, Kenton Ngo, Christopher Hibmacronan, Hanna Bossmark 2021-06-22
D919881 Vaporizer device Alexander Weiss, Alexander Ringrose, Devin Spratt, Marko Markovic, Robyn Nariyoshi +4 more 2021-05-18