Frederick Halverson
5Patents
5h-index
7Co-inventors
56Inventor score
Filing activity: Jul 14, 1971 → Oct 26, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5573520A | Flexible tubular device for use in medical applications | Performing Operations; Transporting | 868 | Expired |
| US5437288A | Flexible catheter guidewire | Human Necessities | 364 | Expired |
| US4342653A | Process for the flocculation of suspended solids | Emerging Cross-Sectional Technologies | 51 | Expired |
| US3968051A | Freeze drying photochromic filters | Emerging Cross-Sectional Technologies | 18 | Expired |
| USRE31900E | Process for the flocculation of suspended solids | General | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.