Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
CF

Charles Bruce Fields — 5 Patents

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: #107,996 of 386,348 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Charles Bruce Fields has been granted 5 US patents while listed as an inventor at Hdc. The first was granted in 1994 and the most recent in March 2003. Charles Bruce Fields ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Charles Bruce Fields in Pittsburg, CA, US.

Patents per Year

Patents granted per year, 1994 to 2003Bar chart with a peak of 2 patents in 1998.peak 21994: 1 patents19941998: 2 patents19982000: 1 patents20002003: 1 patents2003

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
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 $7,619,000
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