Patent for Sale:

Uninterruptible Power Supply (UPS)    

Two patents related to uniterruptible power supply


The patents relate to the:

- UPS watchdog system and auto recovery process which determines whether a failure is temporary or not.

- To an isolation control high speed transfer switch for UPS and a power supply system, while independently operating with UPS, which is capable of more stably switching a power supply path from a normal power line to a bypass line without a momentary power failure.

The seller may consider selling these patents individually.

Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 307: Electrical Transmission Or Interconnection Systems

This is the residual class for all subject matter, not elsewhere classified, relating to electrical transmission or interconnection systems.

Subclass 64: Substitute or emergency source
Subclass 65: Plural substitute sources
Subclass 66: Storage battery or accumulator