LandOfFree - US Patents - Listing for Electrical transmission or interconnection systems,Plural supply circuits or sources

Electrical transmission or interconnection systems – Plural supply circuits or sources – Load current control

Apparatus for and method of evenly distributing an electrical lo

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for and method of UPS operation

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for and method of UPS operation

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural converters

Apparatus for and methods of polyphase power conversion

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for controlling a power supply of an electric machine

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for controlling a solar array power system

Electrical transmission or interconnection systems – Plural supply circuits or sources – Series-parallel connection of sources

Apparatus for controlling power supply to electronic devices

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for controlling the parallel operation of an A-C outpu

Electrical transmission or interconnection systems – Plural supply circuits or sources – Connecting or disconnecting

Apparatus for detection of synchronism by means of vector differ

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for determining if the duration of a power failure exc

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for generating power for use in a communications devic

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for improving rise characteristics of direct current p

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for parallel operation of triport uninterruptable powe

Electrical transmission or interconnection systems – Plural supply circuits or sources – Plural converters

Apparatus for phase rotation for a three-phase AC circuit

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for providing high quality power

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for providing high quality power

Electrical transmission or interconnection systems – Plural supply circuits or sources – Series-connected sources

Apparatus for reducing noise from multiple switching regulators

Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source

Apparatus for supplementing commercial power subject to brownout

Electrical transmission or interconnection systems – Plural supply circuits or sources – One source floats across or compensates for other source

Apparatus for supplying electrical energy to a load