ClearSign Combustion Corporation Trademarks
CLEARSIGN

CLEARSIGN

Electrical controllers for controlling electric fields in external combustion apparatuses; electrodes for applying electric…
Owned by: ClearSign Combustion Corporation
Serial Number: 77398540

ACTIVE HEAT EXCHANGE

ACTIVE HEAT EXCHANGE

Apparatuses and systems configured to electrically drive hot gases or plasmas toward heat exchange surfaces
Owned by: ClearSign Combustion Corporation
Serial Number: 77630571

Image Trademark

Image Trademark

Filed: August 17, 2011
Electrical controllers for controlling electric fields in external combustion apparatuses; electrodes for applying electric…
Owned by: ClearSign Combustion Corporation
Serial Number: 85400672

CLEARSIGN

CLEARSIGN

Filed: December 18, 2012
Electrical controllers for controlling electric fields in external combustion apparatuses; electrodes for applying electric…
Owned by: ClearSign Combustion Corporation
Serial Number: 85805360

CLEARSIGN

CLEARSIGN

Filed: December 18, 2012
Burners, namely, gas burners, coal burners, wood burners, fluidized beds, primary burners, and secondary burners; boilers…
Owned by: ClearSign Combustion Corporation
Serial Number: 85982802

Image Trademark

Image Trademark

Electrical controllers for controlling electric fields in external combustion apparatuses; electrodes for applying electric…
Owned by: ClearSign Combustion Corporation
Serial Number: 86519230

CLEARSIGN

CLEARSIGN

Electrical controllers for controlling electric fields in external combustion apparatuses; electrodes for applying electric…
Owned by: ClearSign Combustion Corporation
Serial Number: 87096459

DUPLEX PLUG & PLAY

DUPLEX PLUG & PLAY

Burners, namely, gas burners, coal burners, wood burners, fluidized beds, primary burners, and secondary burners; boilers…
Owned by: ClearSign Combustion Corporation
Serial Number: 87331916

CLEARSIGN CORE

CLEARSIGN CORE

Filed: May 20, 2019
Burners, namely, gas burners; primary gas burners for industrial use; boilers, namely, furnace boilers, heating boilers,…
Owned by: ClearSign Combustion Corporation
Serial Number: 88438032

Image Trademark

Image Trademark

Filed: May 28, 2019
Flame sensors and flame detectors for burners; ignition detection systems comprised of ignition detectors and flame scanners…
Owned by: ClearSign Combustion Corporation
Serial Number: 88448778

CLEARSIGN EYE

CLEARSIGN EYE

Filed: October 10, 2019
Sensors, sensor assemblies, and systems comprising flame sensors and associated electronics, namely, a flame sensor module…
Owned by: ClearSign Combustion Corporation
Serial Number: 88650283

CLEARSIGN SENSOR

CLEARSIGN SENSOR

Filed: October 10, 2019
Sensors, sensor assemblies, and systems comprising flame sensors and associated electronics, namely, a flame sensor module…
Owned by: ClearSign Combustion Corporation
Serial Number: 88650294

CLEARSIGN

CLEARSIGN

Filed: June 28, 2021
Safety sensors, namely, flame sensors and flame detectors for burners; fire detectors in the nature of ignition detection…
Owned by: ClearSign Combustion Corporation
Serial Number: 90799213