Craig G. Markell
23Patents
15h-index
19Co-inventors
78Inventor score
Filing activity: Jan 10, 1991 → May 2, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5328758A | Particle-loaded nonwoven fibrous article for separations and purifications | Emerging Cross-Sectional Technologies | 108 | Expired |
| US5071610A | Method of making a controlled pore composite polytetrafluoroethylene | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5279742A | Solid phase extraction medium | Physics | 52 | Expired |
| US5147539A | Controlled pore composite polytetrafluoroethylene article | Physics | 44 | Expired |
| US5415779A | Particle-loaded nonwoven fibrous article for separations and purifications | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5207915A | Separation method using controlled pore composite polytetrafluoroethylene article | Physics | 38 | Expired |
| US5595649A | Particle-loaded nonwoven fibrous article for separations and purifications | Emerging Cross-Sectional Technologies | 37 | Expired |
| US5238621A | Method of controlling porosity in a composite article | Performing Operations; Transporting | 29 | Expired |
| US5248428A | Article for separations and purifications and method of controlling porosity therein | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5529686A | Composite membranes for solid phase extractions and reactions | Physics | 23 | Expired |
| US5635060A | Composite membranes for solid phase extractions and reactions | Physics | 19 | Expired |
| US5618438A | Method of isolating an analyte using a solid phase extraction medium | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5738790A | Composite membranes for solid phase extractions and reactions | Physics | 17 | Expired |
| US8458103B2 | System and method for concurrently conducting cause-and-effect experiments on content effectiveness and adjusting content distribution to optimize business objectives | Physics | 15 | Active |
| US5616407A | Self-wettable solid phase extraction medium | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5340746A | Composite reactive articles for the determination of cyanide | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5403489A | Solid phase extraction method and apparatus | Emerging Cross-Sectional Technologies | 13 | Expired |
| US5639372A | Composite membranes for solid phase extractions and reactions | Physics | 11 | Expired |
| US6270609A | Hard disk drive filter | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5470532A | Composite reactive articles for the determination of cyanide | Emerging Cross-Sectional Technologies | 9 | Expired |
| USRE36811E | Solid phase extraction medium | General | 9 | Expired |
| US9519916B2 | System and method for concurrently conducting cause-and-effect experiments on content effectiveness and adjusting content distribution to optimize business objectives | Physics | 5 | Active |
| US7393129B2 | Optical film assemblies and methods of making same | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.