Jonathan Spangler
38Patents
9h-index
25Co-inventors
75Inventor score
Filing activity: Jun 28, 2001 → May 30, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6641558B1 | Method and apparatus for preventing air embolisms | Human Necessities | 159 | Expired |
| US6814713B2 | Systems for performing minimally invasive cardiac medical procedures | Human Necessities | 99 | Expired |
| US7862592B2 | Methods and apparatus for treating spinal stenosis | Human Necessities | 77 | Active |
| US8328851B2 | Total disc replacement system and related methods | Human Necessities | 35 | Active |
| US9687356B1 | Spinal fusion implants and related methods | Human Necessities | 34 | Active |
| US9888859B1 | Directional dilator for intraoperative monitoring | Human Necessities | 20 | Active |
| US8654189B1 | Anchor surveillance for maritime vessels | Electricity | 16 | Active |
| US8147521B1 | Systems and methods for treating spinal deformities | Human Necessities | 15 | Active |
| US9424818B1 | Travel guitar | Physics | 14 | Active |
| US8029491B2 | Method and apparatus for preventing air embolisms | Human Necessities | 7 | Expired |
| US10810974B2 | Foldable stringed instrument | Physics | 7 | Active |
| US11120776B2 | Foldable stringed instrument | Physics | 6 | Active |
| US8652177B1 | Systems and methods for treating spinal deformities | Human Necessities | 5 | Active |
| US10186238B2 | Travel guitar | Physics | 4 | Active |
| US11268310B1 | Hinge assembly with reinforced abutments | Fixed Constructions | 4 | Active |
| US11404032B2 | Foldable stringed instrument | Physics | 4 | Active |
| US11443722B2 | Foldable stringed instrument | Physics | 3 | Active |
| US11631386B2 | Foldable stringed instrument | Physics | 3 | Active |
| US9610171B2 | Total disc replacement system and related methods | Human Necessities | 2 | Active |
| US11783800B2 | Foldable stringed instrument | Physics | 1 | Active |
| US9566090B1 | Systems and methods for treating spinal deformities | Human Necessities | 1 | Active |
| US11306498B2 | In-airport guitar kiosk and related methods | Physics | 1 | Active |
| US11337630B2 | Directional dilator for intraoperative monitoring | Human Necessities | 0 | Active |
| US12057093B1 | Hinge assembly for stringed musical instrument | Physics | 0 | Active |
| US8870960B2 | Total disc replacement system and related methods | Human Necessities | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.