Inventor
POWELL JEFFREY M
US14 patents
⚠️ This page may combine multiple inventors who share the name “POWELL JEFFREY M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LIEBERT CORP
10 patentsUS4719550AJan 12, 1988
Uninterruptible power supply with energy conversion and enhancement
LIEBERT CORP243 citations96
US4709318ANov 24, 1987
UPS apparatus with control protocols
LIEBERT CORP185 citations96
US6768223B2Jul 27, 2004
Apparatus and method for rapid fault detection and transfer in a utility-interactive uninterruptible power supply
LIEBERT CORP50 citations92
US4684875AAug 4, 1987
Power conditioning system and apparatus
LIEBERT CORP25 citations92
US7511229B2Mar 31, 2009
Sensor module, system, and method for sensors in proximity to circuit breakers
LIEBERT CORP24 citations88
US7598880B2Oct 6, 2009
Wireless battery monitoring system and method
LIEBERT CORP49 citations87
US7932635B2Apr 26, 2011
Transfer switch system with neutral current management
LIEBERT CORP9 citations80
US4544877AOct 1, 1985
Power conditioning system and apparatus
LIEBERT CORP9 citations73
US4305033ADec 8, 1981
Polyphase ferroresonant voltage stabilizer having input chokes with non-linear impedance characteristic
LIEBERT CORP8 citations73
US7477501B2Jan 13, 2009
System and method of mounting current transducers in proximity to circuit breakers
LIEBERT CORP6 citations58