Gregory R. Collins
22Patents
13h-index
4Co-inventors
74Inventor score
Filing activity: Dec 30, 1999 → Nov 15, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6406631B1 | Two stage diafiltration method and apparatus | Emerging Cross-Sectional Technologies | 127 | Expired |
| US6315895A | Dual-stage hemodiafiltration cartridge | Performing Operations; Transporting | 102 | Expired |
| US7074332B2 | Multistage hemodiafiltration/hemofiltration method and apparatus | Emerging Cross-Sectional Technologies | 100 | Expired |
| US6635179B1 | Sterile fluid filtration cartridge and method for using same | Performing Operations; Transporting | 94 | Expired |
| US6303036A | Method and apparatus for efficient hemodiafiltration | Emerging Cross-Sectional Technologies | 79 | Expired |
| US7306736B2 | Valve mechanism for infusion fluid systems | Human Necessities | 66 | Expired |
| US6916424B2 | Method and apparatus for a hemodiafiltration delivery module | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6716356B2 | Thermally enhanced dialysis/diafiltration system | Performing Operations; Transporting | 36 | Expired |
| US6719907B2 | Dual-stage filtration cartridge | Performing Operations; Transporting | 35 | Expired |
| US7108790B2 | Method and apparatus for generating a sterile infusion fluid | Human Necessities | 32 | Expired |
| US7285106B2 | Hemodiafiltration/hemofiltration cartridges | Performing Operations; Transporting | 24 | Expired |
| US6423231B1 | Non-isosmotic diafiltration system | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8281937B2 | Compact fluid purification device with manual pumping mechanism | Chemistry; Metallurgy | 16 | Active |
| US7534349B2 | Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs | Chemistry; Metallurgy | 13 | Active |
| US6821431B2 | Ionic enhanced dialysis/diafiltration system | Performing Operations; Transporting | 11 | Expired |
| US8640882B2 | Compact fluid purification device with manual pumping mechanism | Chemistry; Metallurgy | 9 | Active |
| US8343347B2 | Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration packs | Chemistry; Metallurgy | 8 | Active |
| US8557115B2 | Dual stage ultrafilter devices in the form of portable filter devices, shower devices, and hydration | Chemistry; Metallurgy | 5 | Active |
| US7067060B2 | Ionic enhanced dialysis/diafiltration system | Human Necessities | 5 | Expired |
| US9120058B2 | Method and apparatus of flush pump feature for portable liquid purifying filter | Chemistry; Metallurgy | 0 | Active |
| US9492793B2 | Method and apparatus of flush pump feature for portable liquid purifying filter | Chemistry; Metallurgy | 0 | Active |
| US12097471B2 | Nanoparticles for use in membranes | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.