Stephen Armstrong
18Patents
8h-index
26Co-inventors
72Inventor score
Filing activity: May 19, 1989 → Jun 24, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5832097A | Multi-channel synchronous companding system | Electricity | 86 | Expired |
| US7430299B2 | System and method for transmitting audio via a serial data port in a hearing instrument | Electricity | 84 | Expired |
| US7181034B2 | Inter-channel communication in a multi-channel digital hearing instrument | Electricity | 51 | Expired |
| US6937738B2 | Digital hearing aid system | Electricity | 47 | Expired |
| US7433481B2 | Digital hearing aid system | Electricity | 39 | Expired |
| US7242778B2 | Hearing instrument with self-diagnostics | Electricity | 17 | Expired |
| US8224256B2 | Wireless field maintenance adapter | Emerging Cross-Sectional Technologies | 17 | Active |
| US8626916B2 | Handheld field maintenance tool with process communication tunnel | Physics | 13 | Active |
| US8472634B2 | Preprogrammed hearing assistance device with audiometric testing capability | Electricity | 4 | Active |
| US10374873B2 | Process control communication between a portable field maintenance tool and a process control instrument | Electricity | 3 | Active |
| US5029281A | Clipping circuit | Electricity | 2 | Expired |
| US9201420B2 | Method and apparatus for performing a function in a process plant using monitoring data with criticality evaluation data | Physics | 2 | Active |
| US8556065B2 | Content display for use with conveyor systems | Emerging Cross-Sectional Technologies | 1 | Active |
| US7076073B2 | Digital quasi-RMS detector | Physics | 0 | Expired |
| US8121323B2 | Inter-channel communication in a multi-channel digital hearing instrument | Electricity | 0 | Active |
| US10585422B2 | Portable field maintenance tool system having interchangeable functional modules | Physics | 0 | Active |
| US10582286B2 | Method for treating debilitating hyperacusis | Electricity | 0 | Active |
| US8887895B2 | System and methods for content display | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.