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

Charles Bruce Fields

HDHdc: 3 patents #1 of 6Top 20%
AIArrow International: 1 patents #62 of 131Top 50%
UNUnknown: 1 patents #29,356 of 83,584Top 40%
Pittsburg, CA: #30 of 169 inventorsTop 20%
California: #106,790 of 386,348 inventorsTop 30%
Overall (All Time): #1,041,559 of 4,157,543Top 30%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6539252 Method and apparatus for the treatment of blood borne pathogens such as immunodeficiency virus Phillip F. Burris 2003-03-25
6066489 Method for treating blood borne viral pathogens such as immunodeficiency virus Phillip F. Burris 2000-05-23
5823961 Catheter guidewire and flushing apparatus and method of insertion Gretchen Keser Marchesani 1998-10-20
5776096 Dual lumen vascular catheter with expanding side portal 1998-07-07
5357961 Catheter guidewire and flushing apparatus and method of insertion Gretchen Keser Marchesani 1994-10-25