David Bartlett
15Patents
10h-index
21Co-inventors
72Inventor score
Filing activity: Aug 27, 1985 → Apr 13, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7228228B2 | Tag tracking | Physics | 58 | Expired |
| US4714925A | Loop data link | Physics | 58 | Expired |
| US7796978B2 | Communication system for receiving and transmitting data using an acoustic data channel | Electricity | 44 | Expired |
| US7024331B2 | Tag tracking | Physics | 30 | Expired |
| US7852267B2 | Transfer of calibrated time information in a mobile terminal | Electricity | 26 | Active |
| US7460991B2 | System and method for shaping a data signal for embedding within an audio signal | Electricity | 24 | Expired |
| US8253628B2 | Transfer of calibrated time information in a mobile terminal | Electricity | 22 | Active |
| US7505823B1 | Acoustic communication system | Electricity | 22 | Expired |
| US5319945A | Method and apparatus for non-atmospheric venting of evaporator over-pressure in a refrigeration system | Mechanical Engineering; Lighting; Heating | 15 | Expired |
| US8185100B2 | Communication system | Electricity | 13 | Active |
| US8340686B2 | Positioning systems | Physics | 7 | Active |
| US4639689A | Inductive loop detector | Electricity | 4 | Expired |
| US7932860B2 | Determining a position of a tag | Physics | 1 | Active |
| US10473792B2 | Positioning systems | Physics | 0 | Active |
| US10089837B2 | System and method for audibly communicating a status of a connected device or system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.