Providing temporary use of online, nondownloadable software for monitoring, controlling and optimizing artificial lift operations from a computer, web site, work station or mobile device over a communication link

downloadable software and disk based software for monitoring, controlling and optimizing artificial lift operations from a computer, web site, work station or mobile device over a communication link

Chargers for electric accumulators; Current converters; DC/AC power converters; Electrical adapters; Electrical relays and transformers; High-voltage power supplies; Inverters for power supply; LED drivers; Low-voltage power supplies; Power adapters; Power strips; Power switches; Rechargers for electric accumulators; Uninterruptible electrical power supplies; Voltage stabilizing power supply