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Class Information
Number: 307/85
Name: Electrical transmission or interconnection systems > Plural supply circuits or sources > Connecting or disconnecting
Description: Subject matter relating to connecting and disconnecting systems.

Sub-classes under this class:

Class Number Class Name Patents
307/86 Condition responsive 291

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8713332 System and method of supplying an electrical system with direct current Apr. 29, 2014
8674548 Inverters Mar. 18, 2014
8653695 Power switching device and method thereof, and projection device using the power switching device Feb. 18, 2014
8624426 Power supply system for electrically powered vehicle, electrically powered vehicle, and method for controlling power supply system of electrically powered vehicle Jan. 7, 2014
8614599 Method and apparatus for powering down a dual supply current source Dec. 24, 2013
8581450 Electrical power transfer plug and connection system Nov. 12, 2013
8576046 Playback control apparatus and audio system Nov. 5, 2013
8575940 Power supply device and method for detecting non-contact state of load connected to power supply device Nov. 5, 2013
8558409 High voltage switchgear power supply arrangement for a wind turbine facility Oct. 15, 2013
8546977 Voltage based switching of a power supply system current Oct. 1, 2013
8541909 System having a variable frequency power distribution bus for driving a variable speed motor Sep. 24, 2013
8541903 Power line communication system and method Sep. 24, 2013
8531055 Safety mechanisms, wake up and shutdown methods in distributed power installations Sep. 10, 2013
8519568 Inrush current protection for wind turbines and wind farms Aug. 27, 2013
8508075 Electronic device and electronic system Aug. 13, 2013
8502418 Auto-shut off circuit Aug. 6, 2013
8497600 Cell site power system management, including battery circuit management Jul. 30, 2013
8492928 AC-to-DC conversion Jul. 23, 2013
8461716 Photovoltaic power generating device, and controlling method Jun. 11, 2013
8456133 Control method of battery-system for improving safety Jun. 4, 2013
8420240 Method for controlling sodium-sulfur batteries Apr. 16, 2013
8397085 Master controller containing a control processor configured to receive power cell control information and a host processor configured to receive command and status information Mar. 12, 2013
8390148 Systems and methods for power supply wear leveling in a blade server chassis Mar. 5, 2013
8378809 Network with switching control unit for disconnecting terminals from network voltage Feb. 19, 2013
8373309 Systems and methods for asynchronous sampling data conversion Feb. 12, 2013
8352091 Distributed grid-interactive photovoltaic-based power dispatching Jan. 8, 2013
8350414 Semiconductor assisted DC load break contactor Jan. 8, 2013
8338986 System and method for employing an on-machine power supply with monitoring and control capability Dec. 25, 2012
8338988 Adaptation of an active power supply set using an event trigger Dec. 25, 2012
8338989 Inverter power system Dec. 25, 2012
8310103 Cell site power system management, including battery circuit management Nov. 13, 2012
8304931 Configurable power supply integrated circuit Nov. 6, 2012
8283803 Wind farm and method for operation of a wind farm Oct. 9, 2012
8273979 Time averaged modulated diode apparatus for photovoltaic application Sep. 25, 2012
8253277 Electronic assembly provided with a parallel circuit for connecting electrically to two battery units Aug. 28, 2012
8253389 Battery protection circuit and method for energy harvester circuit Aug. 28, 2012
8242636 Connection apparatus for parallel running generators Aug. 14, 2012
8242637 Power source switching circuit Aug. 14, 2012
8244419 Marine power train system and method of storing energy in a marine vehicle Aug. 14, 2012
8239429 Output buffer receiving first and second input signals and outputting an output signal, and corresponding electronic circuit Aug. 7, 2012
8232679 Uninterruptible power supplies with converter operation conditioned upon static switch commutation and methods of operation thereof Jul. 31, 2012
8232680 Selecting a single AC source for a switching power supply Jul. 31, 2012
8228648 Compressor protection and grid fault detection device Jul. 24, 2012
8212405 Metering assembly and customer load panel for power delivery Jul. 3, 2012
8212412 Energy storage connection system Jul. 3, 2012
8204990 Power cycler with internet connectivity monitor Jun. 19, 2012
8175755 Systems and methods for monitoring power devices May. 8, 2012
8129862 Scalable highest available voltage selector circuit Mar. 6, 2012
8097982 System and method for pre-detection in a power over ethernet system Jan. 17, 2012
8093747 Aircraft electrical power system architecture using auxiliary power unit during approach and taxi Jan. 10, 2012

1 2 3 4 5 6 7

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