85751420
Oct 11, 2012
Jun 18, 2013
Devices for measuring and monitoring, namely, devices for self-adjusting the speed of a pump to achieve the most amount pumped per unit of energy consumed; automated process control system, namely, micro-processor based software used for measuring and monitoring and for self-adjusting the speed of a pump to achieve the most amount pumped per unit of energy consumed
Electrical and Scientific Apparatus