CLEARSIGN
Mark Identification

CLEARSIGN

Serial Number

77398540

Filing Date

Feb 15, 2008

Trademark by

CLEARSIGN COMBUSTION CORPORATION

Classification Information

Electrical controllers for controlling electric fields in external combustion apparatuses; electrodes for applying electric fields in external combustion apparatuses; computer software that derives, optimizes, or generates waveforms for applying electric fields in external combustion apparatuses; voltage generators, electrodes, and control systems for applying electric fields within burners, boilers, and furnaces, all used as structural parts for burners, boilers, and furnaces; Pollution control systems sold as a unit, comprised of electrostatic precipitators, electrostatic classifiers or electrostatic recyclers, used for reducing particulate emission in industrial applications; fuel control and metering devices, namely, flow meters coupled to electric field control panels

Electrical and Scientific Apparatus

burners, namely, gas burners, coal burners, wood burners, fluidized beds, primary burners, and secondary burners; boilers, namely, furnace boilers, heating boilers, fixed boilers, power generation boilers, ship's boilers, and process heat boilers; furnaces; structural parts for boilers and furnaces, namely, combustion systems for boilers and furnaces, comprised of one or more combustion reaction heat evolution means and one or more electrostatic field means

Environmental Control Apparatus