John M. Sperinde
12Patents
11h-index
13Co-inventors
69Inventor score
Filing activity: Oct 18, 1976 → Aug 17, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5435308A | Multi-purpose multi-parameter cardiac catheter | Human Necessities | 196 | Expired |
| US4114604A | Catheter oximeter apparatus and method | Physics | 129 | Expired |
| US5995208A | Intravascular oximetry catheter | Human Necessities | 120 | Expired |
| US6813964B1 | Fluid flow measurement device | Physics | 109 | Expired |
| US4623248A | Apparatus and method for determining oxygen saturation levels with increased accuracy | Physics | 96 | Expired |
| US7082843B2 | Fluid flow measurement device | Physics | 90 | Expired |
| US6964204B2 | Fluid flow measurement device | Physics | 89 | Expired |
| US4295470A | Optical catheters and method for making same | Physics | 66 | Expired |
| US4416285A | Improved optical catheter and method for making same | Human Necessities | 59 | Expired |
| US4322164A | Sterilizable, disposable optical scattering reference medium and container assembly | Human Necessities | 46 | Expired |
| US5611338A | Multi-purpose multi-parameter cardiac catheter | Human Necessities | 29 | Expired |
| US4469398A | Optical connector for use during photometric analysis | Physics | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.