Glenn Richards
50Patents
11h-index
58Co-inventors
81Inventor score
Filing activity: Jan 9, 1974 → Sep 2, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6269127A | Serial line synchronization method and apparatus | Electricity | 61 | Expired |
| US8276585B2 | Systems and methods for visualizing pressures and pressure responses to sleep-related triggering events | Human Necessities | 57 | Active |
| US6449315B2 | Serial line synchronization method and apparatus | Electricity | 56 | Expired |
| US8011365B2 | Mechanical ventilation in the presence of sleep disordered breathing | Human Necessities | 44 | Active |
| US3963874A | Busy-test arrangement for electronic private automatic branch exchange | Electricity | 42 | Expired |
| US8356594B2 | Methods and apparatus for heart failure treatment | Human Necessities | 26 | Active |
| US3963873A | Local transfer arrangement for electronic private automatic branch exchange | Electricity | 25 | Expired |
| US8563282B2 | Materials and methods for converting biomass to biofuel | Emerging Cross-Sectional Technologies | 16 | Active |
| US4037170A | Difference amplifier having extended common mode range | Electricity | 14 | Expired |
| US10350379B2 | Treatment of respiratory conditions | Human Necessities | 13 | Active |
| US4011517A | Timer apparatus for incrementing timing code at variable clock rates | Physics | 12 | Expired |
| US4042790A | Voice guard circuit for a tone receiver | Electricity | 10 | Expired |
| US4042788A | Tone detector | Electricity | 10 | Expired |
| US8789526B2 | Methods and apparatus for controlling mask leak in CPAP treatment | Human Necessities | 9 | Active |
| US4042789A | Tone combination detector and coincidence timer circuit | Electricity | 9 | Expired |
| US9283341B2 | Methods and apparatus for heart failure treatment | Human Necessities | 6 | Active |
| US4042787A | Output processing and output coupling circuit for a digital tone receiver | Electricity | 5 | Expired |
| US10856802B2 | Methods and apparatus for heart failure treatment | Human Necessities | 5 | Active |
| US3943297A | Electronic private automatic branch exchange | Electricity | 5 | Expired |
| US4002850A | Trunk adapter | Electricity | 5 | Expired |
| US10105506B2 | Setup automation for respiratory treatment apparatus | Human Necessities | 5 | Active |
| US10342941B2 | Methods and apparatus for controlling mask leak in CPAP treatment | Human Necessities | 5 | Active |
| US4523308A | Telephone concentrator switch arrangement | Electricity | 4 | Expired |
| US10092720B2 | Unobtrusive interface systems | Human Necessities | 4 | Active |
| US4387278A | Maintenance facility for telephony system with remote port groups | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.