John A. Ryan
5Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: May 15, 2002 → Sep 16, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7078228B2 | Cell cultivating flask | Chemistry; Metallurgy | 27 | Expired |
| US8057092B2 | Disposable spinner flask | Performing Operations; Transporting | 19 | Active |
| US6943009B2 | Multi-well assembly for growing cultures in-vitro | Performing Operations; Transporting | 15 | Expired |
| US11598435B2 | Stop/check/expansion plug valve | Emerging Cross-Sectional Technologies | 0 | Active |
| US7950113B2 | Device for retaining splitting forces of a cable stop | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.