Joseph Grayzel
25Patents
17h-index
6Co-inventors
74Inventor score
Filing activity: Oct 29, 1974 → Dec 15, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4921479A | Catheter sheath with longitudinal seam | Human Necessities | 1,624 | Expired |
| US4796629A | Stiffened dilation balloon catheter device | Human Necessities | 1,329 | Expired |
| US4878495A | Valvuloplasty device with satellite expansion means | Human Necessities | 1,117 | Expired |
| US3939820A | Single-chamber, multi-section balloon for cardiac assistance | Human Necessities | 234 | Expired |
| US4809713A | Catheter with magnetic fixation | Human Necessities | 221 | Expired |
| US4850960A | Diagonally tapered, bevelled tip introducing catheter and sheath and method for insertion | Human Necessities | 212 | Expired |
| US6942680B2 | Stiffened balloon catheter for dilatation and stenting | Human Necessities | 208 | Expired |
| US4550502A | Device for analysis of recorded electrocardiogram | Human Necessities | 172 | Expired |
| US4102331A | Device for transmitting electrical energy | Human Necessities | 81 | Expired |
| US7883537B2 | Methods for configuring expandable devices | Human Necessities | 76 | Expired |
| US7662163B2 | Stiffened balloon apparatus with increased flexibility | Human Necessities | 66 | Expired |
| US6761725B1 | Percutaneous entry system and method | Human Necessities | 54 | Expired |
| US8523887B2 | Stiffened balloon apparatus with increased flexibility | Human Necessities | 32 | Active |
| US8485969B2 | Medical guide element with diameter transition | Human Necessities | 29 | Active |
| US10086169B2 | Medical guide element with diameter transition | Human Necessities | 22 | Active |
| US9238124B2 | Medical guide element with diameter transition | Human Necessities | 22 | Active |
| US7666201B2 | Spreading instrument | Human Necessities | 19 | Expired |
| US4936022A | Multi-leg caliper with heart scale | Physics | 9 | Expired |
| US4026302A | Method of implanting a permanent pacemaker bipolar lead apparatus and an implantable permanent pacemaker bipolar lead apparatus | Human Necessities | 5 | Expired |
| US8057499B2 | Ergonomic hand instrument | Human Necessities | 3 | Active |
| US5174040A | Multi-leg caliper with heart scale | Human Necessities | 1 | Expired |
| US8603130B2 | Instrument for engaging a body structure | Human Necessities | 1 | Active |
| US9149186B2 | Configuration of cables for monitoring systems | Human Necessities | 0 | Active |
| US8690904B2 | Percutaneous access conduit | Human Necessities | 0 | Active |
| USD315106S | Multiple caliper and scale card | General | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.