Assignee
EXIDE ELECTRONICS CORP
US17 patents
Top patents by PatentIndex Score
US5745356AApr 28, 1998
Independent load sharing of AC power systems connected in parallel
EXIDE ELECTRONICS CORP178 citations98
US5469098ANov 21, 1995
Isolated gate drive
EXIDE ELECTRONICS CORP80 citations96
US6122181ASep 19, 2000
Systems and methods for producing standby uninterruptible power for AC loads using rectified AC and battery
EXIDE ELECTRONICS CORP67 citations95
US4673825AJun 16, 1987
Uninterruptible power supply with isolated bypass winding
EXIDE ELECTRONICS CORP88 citations93
US5745355AApr 28, 1998
Wireless selective tripping of AC power systems connected in parallel
EXIDE ELECTRONICS CORP47 citations92
US5633539AMay 27, 1997
Uninterruptible power supply input power walk-in
EXIDE ELECTRONICS CORP24 citations92
US5436512AJul 25, 1995
Power supply with improved circuit for harmonic paralleling
EXIDE ELECTRONICS CORP31 citations92
US5291383AMar 1, 1994
Simplified UPS system
EXIDE ELECTRONICS CORP124 citations92
US5177676AJan 5, 1993
Voltage source with enhanced source impedance control
EXIDE ELECTRONICS CORP54 citations92
US5896280AApr 20, 1999
Frequency converter and improved UPS employing the same
EXIDE ELECTRONICS CORP20 citations91
US5680301AOct 21, 1997
Series/parallel resonant converter
EXIDE ELECTRONICS CORP21 citations91
US4453222AJun 5, 1984
Emergency device employing programmable vocal warning commands
EXIDE ELECTRONICS CORP40 citations91
US4484306ANov 20, 1984
Method and apparatus for controlling access in a data transmission system
EXIDE ELECTRONICS CORP99 citations90
USD269913SJul 26, 1983
Adjustable lamp
EXIDE ELECTRONICS CORP11 citations74
USD269553SJun 28, 1983
Emergency lighting unit
EXIDE ELECTRONICS CORP7 citations74
US4301398ANov 17, 1981
Method and apparatus for controlling a resonant power module
EXIDE ELECTRONICS CORP16 citations74
US4475175AOct 2, 1984
Computer communications control
EXIDE ELECTRONICS CORP12 citations72