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

Mark A. Ritchart — 4 Patents in 2021

AMAvenu Medical: 3 patents #2 of 8Top 25%
CMCianna Medical: 1 patents #2 of 11Top 20%
Murrieta, CA: #4 of 47 inventorsTop 9%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #44,407 of 548,734Top 9%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11172976 Intravascular arterial to venous anastomosis and tissue welding catheter Brad M. Kellerman, David Trottingwolf Aldridge, David K. Wrolstad, Jeffrey E. Hull, Gene Reu 2021-11-16
11130004 Brachytherapy apparatus and methods for using them George D. Hermann, Eduardo Chi Sing, Gail S. Lebovic, Mark A. Cole, Than Nguyen 2021-09-28
11083460 Fixation of vessels for percutaneous fistula creation Brad M. Kellerman, Justin Mann, Gene Reu 2021-08-10
11083518 Intravascular arterial to venous anastomosis and tissue welding catheter and methods Brad M. Kellerman, David Trottingwolf Aldridge, David K. Wrolstad, Jeffrey E. Hull 2021-08-10