lithium ion batteries

Electronic paper printing apparatus for the printing, storage and editing of electronic documents

Convertors for electric plugs; chargers for mobile phones and other portable electronic devices and consumer electrical products

Electronic system, comprising an electricity usage sensor, electricity usage source identification tagger, radio frequency transmitter, radio frequency receiver, central processing unit, software for collecting, storing and mining sensed electricity usage and tagger data, and telecommunications hardware for remote transmission and reception of sensed electricity usage and tagger data, for monitoring and reporting amount and changes in electrical power usage for individual electrical appliance...

Printed instructional, educational, and teaching materials in the field of oil and gas

Energy-Saving Electrical Power Factor Control for Home and Commercial Use