Edward Spence has been granted 12 US patents while listed as an inventor at Nephros . The first was granted in 2001 and the most recent in December 2007. Edward Spence ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Edward Spence in The Bronx, NY, US.
Patents per Year Patents granted per year, 2001 to 2007 Bar chart with a peak of 3 patents in 2004. peak 3 2001: 1 patents 2001 2002: 2 patents 2002 2004: 3 patents 2004 2005: 1 patents 2005 2006: 3 patents 2006 2007: 2 patents 2007
Issued Patents All Time
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Showing 1–12 of 12 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
7306736 Valve mechanism for infusion fluid systems Gregory R. Collins , James Summerton 2007-12-11
$218,000
7285106 Hemodiafiltration/hemofiltration cartridges Gregory R. Collins , James Summerton 2007-10-23
$488,000
7108790 Method and apparatus for generating a sterile infusion fluid Gregory R. Collins , James Summerton 2006-09-19
$306,000
7074332 Multistage hemodiafiltration/hemofiltration method and apparatus James Summerton , Gregory R. Collins 2006-07-11
$458,000
7067060 Ionic enhanced dialysis/diafiltration system Gregory R. Collins , James Summerton 2006-06-27
$463,000
6916424 Method and apparatus for a hemodiafiltration delivery module Gregory R. Collins , James Summerton 2005-07-12
$1,314,000
6821431 Ionic enhanced dialysis/diafiltration system Gregory R. Collins , James Summerton 2004-11-23
$1,151,000
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