Radio frequency identification systems for asset tracking

US6669089B2 · kind B2 · utility

Inventors

• Eric R. Cybulski · Woodbury, US
• Francis D. Dehn · Windom, US
• Robert Francis · Baltimore, US
• Peter B. Hogerton · White Bear Lake, US
• Mary C. Kallestad · Windom, US
• Karl M. Kropp · Windom, US
• James P. McGee · Chicago, US
• Sai-Kit Tong · San Jose, US

Key dates

• Filing date: Nov 12, 2001
• Grant date: Dec 30, 2003
• Expiry date: Nov 12, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65D2203/10
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

An asset tracking system is provided, having particular usefulness in connection with the interrogation of RFID-tagged pallets by a forklift equipped with one or more RFID reader antennas. A useful embodiment of an RFID-tagged pallet is described, along with other beneficial components of such a system.