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

Edward Spence

NENephros: 12 patents #3 of 12Top 25%
The Bronx, NY: #50 of 1,082 inventorsTop 5%
New York: #12,360 of 115,490 inventorsTop 15%
Overall (All Time): #425,963 of 4,157,543Top 15%
12 Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
7306736 Valve mechanism for infusion fluid systems Gregory R. Collins, James Summerton 2007-12-11
7285106 Hemodiafiltration/hemofiltration cartridges Gregory R. Collins, James Summerton 2007-10-23
7108790 Method and apparatus for generating a sterile infusion fluid Gregory R. Collins, James Summerton 2006-09-19
7074332 Multistage hemodiafiltration/hemofiltration method and apparatus James Summerton, Gregory R. Collins 2006-07-11
7067060 Ionic enhanced dialysis/diafiltration system Gregory R. Collins, James Summerton 2006-06-27
6916424 Method and apparatus for a hemodiafiltration delivery module Gregory R. Collins, James Summerton 2005-07-12
6821431 Ionic enhanced dialysis/diafiltration system Gregory R. Collins, James Summerton 2004-11-23
6719907 Dual-stage filtration cartridge Gregory R. Collins, James Summerton 2004-04-13
6716356 Thermally enhanced dialysis/diafiltration system Gregory R. Collins, James Summerton 2004-04-06
6423231 Non-isosmotic diafiltration system Gregory R. Collins 2002-07-23
6406631 Two stage diafiltration method and apparatus Gregory R. Collins, James Summerton 2002-06-18
6303036 Method and apparatus for efficient hemodiafiltration Gregory R. Collins 2001-10-16