John Blum
12Patents
8h-index
11Co-inventors
69Inventor score
Filing activity: Oct 3, 1990 → Nov 1, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5163930A | Convex insert for ostomy device | Human Necessities | 34 | Expired |
| US8100875B2 | Ostomy coupling | Human Necessities | 31 | Active |
| US8142406B2 | Ostomy coupling | Human Necessities | 30 | Active |
| US8845606B2 | Controlled discharge ostomy appliance and shield therefor | Human Necessities | 20 | Active |
| US5520670A | Self-aligning ostomy device | Human Necessities | 19 | Expired |
| US10166138B2 | Ostomy appliance | Human Necessities | 13 | Active |
| US6702794B2 | Ostomy pouch clamp | Emerging Cross-Sectional Technologies | 13 | Expired |
| US9943436B2 | Controlled discharge ostomy appliance and shield therefor | Human Necessities | 11 | Active |
| US5437623A | Wound dressing securement system | Human Necessities | 8 | Expired |
| US11166838B2 | Ostomy appliance | Human Necessities | 7 | Active |
| US11076978B2 | Controlled discharge ostomy appliance and shield therefor | Human Necessities | 6 | Active |
| US12186228B2 | Ostomy appliance | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.