About 4 results
https://drivepatents.com/patents/993586 · 23 Jan 2013
To provide a public power supply system by which it is possible to use power in a public location both conveniently and safely without erroneous operations. A outlet 11, to which power is supplied from a distribution line 13, is installed in advance in a p...
https://drivepatents.com/patents/1084463 · 1 Sep 2004
The present invention relates to an exhaust heat recovery system that recovers exhaust that is generated by an electrical power generator for use in supplying hot water and air conditioning, and has an object providing an exhaust heat recovery system that ...
https://drivepatents.com/patents/1084447 · 1 Sep 2004
The present invention relates to an exhaust heat recovery system that recovers exhaust heat that is generated by an electrical power generator for use in supplying hot water and air conditioning, and has as an object of providing an exhaust heat recovery s...
https://drivepatents.com/patents/1109463 · 10 Oct 2001
The present invention provides a space-saving and low-cost emergency power system, which can be installed on a narrow place having limited space and employs a battery that is long in service life and low in frequency of replacement. This emergency power sy...