Stephen E. Hannah
61Patents
21h-index
8Co-inventors
81Inventor score
Filing activity: Jul 13, 2000 → Sep 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6659947B1 | Wireless LAN architecture for integrated time-critical and non-time-critical services within medical facilities | Emerging Cross-Sectional Technologies | 401 | Expired |
| US7153263B2 | Wireless LAN architecture for integrated time-critical and non-time-critical services within medical facilities | Emerging Cross-Sectional Technologies | 222 | Expired |
| US8046160B2 | Navigation systems and methods for wheeled objects | Emerging Cross-Sectional Technologies | 139 | Active |
| US7944368B2 | Systems and methods for locating and controlling powered vehicles | Performing Operations; Transporting | 121 | Active |
| US8433507B2 | Usage monitoring of shopping carts or other human-propelled vehicles | Emerging Cross-Sectional Technologies | 77 | Active |
| US8700230B1 | Cart containment system with integrated cart display unit | Emerging Cross-Sectional Technologies | 76 | Active |
| US8463540B2 | Two-way communication system for tracking locations and statuses of wheeled vehicles | Emerging Cross-Sectional Technologies | 73 | Active |
| US8674845B2 | Systems and methods for locating and controlling powered vehicles using a received strength indication signal | Performing Operations; Transporting | 41 | Active |
| US9091551B2 | System for controlling usage of shopping carts or other human-propelled vehicles | Emerging Cross-Sectional Technologies | 35 | Active |
| US8406993B2 | Cart braking control during mechanized cart retrieval | Emerging Cross-Sectional Technologies | 34 | Active |
| US8820447B2 | Power generation systems and methods for wheeled objects | Emerging Cross-Sectional Technologies | 33 | Active |
| US8558698B1 | Zone-based control of cart usage using RF transmission for brake activation | Emerging Cross-Sectional Technologies | 32 | Active |
| US9403548B2 | Monitoring usage or status of cart retrievers | Emerging Cross-Sectional Technologies | 32 | Active |
| US8578984B2 | Non-motorized vehicle wheel replacement treads and methods | Emerging Cross-Sectional Technologies | 29 | Active |
| US9630639B2 | Navigation systems and methods for wheeled objects | Emerging Cross-Sectional Technologies | 25 | Active |
| US9669659B2 | Brake mechanism for a non-motorized wheeled vehicle | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US8570171B2 | System for detecting unauthorized store exit events using signals detected by shopping cart wheels units | Emerging Cross-Sectional Technologies | 23 | Active |
| US8417445B2 | System for communicating with and monitoring movement of human-propelled vehicles | Emerging Cross-Sectional Technologies | 23 | Active |
| US9205702B2 | Non-motorized vehicle wheel replacement treads and methods | Emerging Cross-Sectional Technologies | 22 | Active |
| US8751148B2 | Navigation systems and methods for wheeled objects | Emerging Cross-Sectional Technologies | 22 | Active |
| US8606501B2 | System for monitoring usage of shopping carts or other human-propelled vehicles | Emerging Cross-Sectional Technologies | 21 | Active |
| US8473192B2 | Antenna-based zone creation for controlling movement of vehicles | Emerging Cross-Sectional Technologies | 20 | Active |
| US9322658B2 | Wheel skid detection during mechanized cart retrieval | Emerging Cross-Sectional Technologies | 18 | Active |
| US9731744B2 | Estimating motion of wheeled carts | Physics | 16 | Active |
| US8571778B2 | Cart braking control during mechanized cart retrieval | Emerging Cross-Sectional Technologies | 15 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.