David Root
11Patents
9h-index
4Co-inventors
65Inventor score
Filing activity: Mar 20, 1986 → Jun 24, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4948564A | Multi-well filter strip and composite assemblies | Emerging Cross-Sectional Technologies | 217 | Expired |
| US4895706A | Multi-well filter strip and composite assemblies | Emerging Cross-Sectional Technologies | 142 | Expired |
| US5139951A | Culture device having a detachable cell or tissue growth surface | Chemistry; Metallurgy | 71 | Expired |
| US5650323A | System for growing and manipulating tissue cultures using 96-well format equipment | Chemistry; Metallurgy | 70 | Expired |
| US5026649A | Apparatus for growing tissue cultures in vitro | Chemistry; Metallurgy | 59 | Expired |
| US5272083A | Culture device and method of use having a detachable cell or tissue growth surface | Chemistry; Metallurgy | 27 | Expired |
| US5516564A | Sterile irradiated hydrophobic pipette tip | Emerging Cross-Sectional Technologies | 27 | Expired |
| US5215920A | Apparatus for growing tissue cultures in vitro | Chemistry; Metallurgy | 23 | Expired |
| US5466602A | Apparatus for growing tissue cultures in vitro | Chemistry; Metallurgy | 10 | Expired |
| US8800565B1 | Breath intake valve for a tracheostomy tube | Human Necessities | 8 | Active |
| US9216263B2 | Breath intake valve | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.