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

David G. Zapol

TPThird Pole: 2 patents #3 of 11Top 30%
San Francisco, CA: #1,355 of 7,035 inventorsTop 20%
California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #167,402 of 548,734Top 35%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11033705 Systems and methods for ambulatory generation of nitric oxide Gregory W. Hall, Wolfgang Scholz, Benjamin Apollonio, Frank Heirtzler, Andrew Ferencz 2021-06-15
10946163 Systems and methods for generating nitric oxide Ian J. Gillerman, Gregory W. Hall, Wolfgang Scholz 2021-03-16