John Randall Ehrhardt
10Patents
4h-index
22Co-inventors
60Inventor score
Filing activity: Nov 19, 1975 → Jan 21, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7853480B2 | System and method for providing export services to merchants | Physics | 47 | Active |
| US9167042B1 | Maintaining communication channel for device notifications | Electricity | 7 | Active |
| US8533074B1 | Lost and damaged items in a fulfillment network | Physics | 5 | Active |
| US4132993A | Antenna element | Electricity | 4 | Expired |
| US10088890B1 | Managing message delivery | Electricity | 2 | Active |
| US11146646B2 | Non-disruptive display of video streams on a client system | Physics | 2 | Active |
| US10609093B2 | Instantaneous call sessions over a communications application | Electricity | 1 | Active |
| US10187484B2 | Non-disruptive display of video streams on a client system | Physics | 1 | Active |
| US10965723B2 | Instantaneous call sessions over a communications application | Electricity | 0 | Active |
| US10652285B2 | Instantaneous call sessions over a communications application | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.