Gordon E. Hardman
26Patents
18h-index
17Co-inventors
78Inventor score
Filing activity: Feb 2, 1998 → Jun 1, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7614556B2 | Distributed RFID antenna array utilizing circular polarized helical antennas | Physics | 290 | Active |
| US6630885B2 | Electronic tire management system | Performing Operations; Transporting | 171 | Expired |
| US7233241B2 | Low stock alert system | Physics | 139 | Expired |
| US7161476B2 | Electronic tire management system | Performing Operations; Transporting | 110 | Expired |
| US6474380B1 | Pneumatic tire and monitoring device including dipole antenna | Electricity | 63 | Expired |
| US6951305B2 | Advertising compliance monitoring system | Physics | 62 | Expired |
| US7374096B2 | Advertising compliance monitoring system | Physics | 61 | Expired |
| US8823521B2 | Computer-implemented systems and methods for providing an out of stock/low stock alert | Physics | 58 | Active |
| US7535337B2 | Systems and methods for monitoring open stock merchandising | Physics | 47 | Active |
| US7310070B1 | Radio frequency identification shelf antenna with a distributed pattern for localized tag detection | Electricity | 45 | Active |
| US6885296B2 | Electronic tire management system | Performing Operations; Transporting | 35 | Expired |
| US7739529B2 | System for conserving battery life in a battery operated device | Performing Operations; Transporting | 34 | Active |
| US7549579B2 | Advertising compliance monitoring system | Physics | 32 | Active |
| US8531273B2 | Systems and methods for controlling serially connected RFID transmitters and receivers | Electricity | 29 | Active |
| US7510123B2 | RF contact signal detector | Physics | 27 | Active |
| US8598988B2 | Systems and methods for controlling serially connected transmitters in RFID tag tracking | Physics | 27 | Active |
| US7966140B1 | Radio frequency power meter | Physics | 24 | Active |
| US8070065B2 | Distributed antenna array with centralized data hub for determining presence and location of RF tags | Physics | 24 | Active |
| US9805334B2 | Computer-implemented systems and methods for providing an out of stock/low stock alert | Physics | 17 | Active |
| US8266465B2 | System for conserving battery life in a battery operated device | Performing Operations; Transporting | 14 | Active |
| US8151127B2 | System for conserving battery life in a battery operated device | Performing Operations; Transporting | 8 | Active |
| US6122490A | System for ensuring type acceptance requirements and enhancing equipment capabilities in a RF system | Electricity | 6 | Expired |
| US6966221B2 | Non-attached tire monitoring device | Electricity | 3 | Expired |
| US7278307B2 | Non-attached tire monitoring device | Electricity | 2 | Expired |
| US10451472B2 | Systems and methods for determining stock quantities using a capacitive inventory sensor | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.