87502806
Jun 23, 2017
Feb 19, 2019
Active Trademark
CHEMICAL INJECTION CONTROL SYSTEM COMPOSED PRIMARILY OF LEVEL SENSORS, CALIBRATED COLUMN, ACTUATED VALVE AND PROCESSOR, FOR REMOTELY MONITORING AND MAINTAINING CHEMICAL INJECTION POINTS THROUGH DIRECT CONNECTION OR A WIRELESS RADIO NETWORK TO A HOST SYSTEM THAT CALIBRATES, CONTROLS AND REPORTS THE OPERATION OF EACH INJECTION POINT, FOR USE PRIMARILY IN THE OIL AND GAS INDUSTRIES
Electrical and Scientific Apparatus