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Class Information
Number: 307/64
Name: Electrical transmission or interconnection systems > Plural supply circuits or sources > Substitute or emergency source
Description: Subject matter having substitute or emergency sources of electric energy.


Sub-classes under this class:

Class Number Class Name Patents
307/68 Dynamoelectric 62
307/65 Plural substitute sources 136
307/66 Storage battery or accumulator 1,103


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18

Patent Number Title Of Patent Date Issued
7616432 Electrical distribution panel for a number of critical and non-critical loads Nov. 10, 2009
7615888 Multiple generator loadcenter and method of distributing power from multiple generators Nov. 10, 2009
7616460 Apparatus, system, and method for AC bus loss detection and AC bus disconnection for electric vehicles having a house keeping power supply Nov. 10, 2009
7615892 Modular and scalable power conversion system for aircraft Nov. 10, 2009
7615877 Power generation system for mobile power supply Nov. 10, 2009
7612469 Dual-input redundant power supply Nov. 3, 2009
7612467 Power device and power device power supply method Nov. 3, 2009
7612468 Uninterruptible power supply device with circuit for degradation judgment of storage battery Nov. 3, 2009
7608943 Power supply adapter and power supply system Oct. 27, 2009
7608947 Back-up power supply systems Oct. 27, 2009
7603874 Split power input to chiller Oct. 20, 2009
7602083 Apparatus and method for powering load center circuits with an auxiliary power source Oct. 13, 2009
7599171 Electrical distribution panel including first non-critical load bus and second critical load bus Oct. 6, 2009
7598627 Switch-mode power supply Oct. 6, 2009
7595568 Ignition system for a gas turbine engine Sep. 29, 2009
7589436 Data processing unit and DC backup power supply Sep. 15, 2009
7586211 Cost optimized redundant power supply with dual AC inputs Sep. 8, 2009
7579714 Uninterruptible power supply apparatus Aug. 25, 2009
7573232 Battery exchange apparatus and method for uninterruptible power supply Aug. 11, 2009
7573396 Air craft emergency lighting system Aug. 11, 2009
7569949 Transfer switch with generator maintenance indicator Aug. 4, 2009
7566988 Method and apparatus for monitoring UPS power sources Jul. 28, 2009
7566989 Back-up power system for a cooling system Jul. 28, 2009
7566990 Power systems and methods using an induction generator in cooperation with an uninterruptible power supply Jul. 28, 2009
7566991 Retrofittable power distribution system for a household Jul. 28, 2009
7567060 System and method for advanced power management Jul. 28, 2009
7560830 Individual control circuit and method of multiple power output Jul. 14, 2009
7560831 Data center uninterruptible power distribution architecture Jul. 14, 2009
7554220 Stable power supplying apparatus Jun. 30, 2009
7554276 Protection circuit for permanent magnet synchronous motor in field weakening operation Jun. 30, 2009
7550873 Uninterruptible power supply for home/office networking and communication system Jun. 23, 2009
7550872 Current sensor apparatus and method for uninterruptible power supply Jun. 23, 2009
7541776 Method and system for operating a portable electronic device in a power-limited manner Jun. 2, 2009
7531916 Protection circuits for hybrid power systems May. 12, 2009
7531917 Mobile power supply May. 12, 2009
7526674 Methods and apparatuses for supplying power to processors in multiple processor systems Apr. 28, 2009
7525217 Rectifier-super capacitor device for use in a power system for a telecommunication facility Apr. 28, 2009
7521822 Protection techniques for a back-up electric power system Apr. 21, 2009
7521821 Circuit apparatus and fabrication method for circuit apparatus Apr. 21, 2009
7518265 On-demand uninterruptible power supply Apr. 14, 2009
7514815 System and method for allocating power to loads Apr. 7, 2009
7514816 Output current threshold adjustment for a power supply Apr. 7, 2009
7511389 Emergency electric power supply unit Mar. 31, 2009
7508094 UPS systems having multiple operation modes and methods of operating same Mar. 24, 2009
7502233 DC power supply using either AC or DC input for both Mar. 10, 2009
7501719 Backup community power Mar. 10, 2009
7495356 Dual power supply system Feb. 24, 2009
7492057 High reliability DC power distribution system Feb. 17, 2009
7492058 Modular uninterruptible power supply with loadsharing between modules Feb. 17, 2009
7486033 Lighting device Feb. 3, 2009

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18


 
 
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