| Patents for H02J 13 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network (15,829) |
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| 05/13/2009 | CN201238308Y Network state display equipment |
| 05/13/2009 | CN201238210Y Novel power consumption management system used for power system |
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| 04/30/2009 | US20090112374 Method and system for power plant block loading |
| 04/30/2009 | US20090112366 Actuator with Memory Part for Building Management System |
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| 04/29/2009 | CN201230204Y Logic test device for microcomputer type protection monitoring module in power supply and distribution system |
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| 04/23/2009 | WO2009051935A2 System and method for load control |
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| 04/15/2009 | CN101409460A Visual locale bus power distribution system apparatus for dangerous situation |
| 04/15/2009 | CN101409459A Converter for remote signal of power switch position |