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ClearSign Technologies Corporation Common Stock (DE)


CLIR: ClearSign Technologies Corp is engaged in providing solutions to some of the pressing productivity, energy efficiency, and pollution problems affecting the energy, oil, and gas production, boiler, and processing industries. It believes that its patented ClearSign Core technology can enhance the performance of combustion systems in a broad range of markets, including the energy (upstream oil production and downstream refining), institutional, commercial, and industrial boiler, chemical, and petrochemical industries. The company offers products that include process burners, boiler burners, flares, and ClearSign Eye.


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  • Patent Title: Methods of upgrading a conventional combustion system to include a perforated flame holder Oct. 18, 2022
  • Patent Title: Ultra low emissions firetube boiler burner Oct. 04, 2022
  • Patent Title: Burner system with discrete transverse flame stabilizers Sep. 06, 2022
  • Patent Title: Plug and play burner Apr. 26, 2022
  • Patent Title: Method for a perforated flame holder with adjustable fuel nozzle Feb. 15, 2022
  • Patent Title: Fuel combustion system with a perforated reaction holder Oct. 26, 2021
  • Patent Title: Electrodynamic control in a burner system Jul. 27, 2021
  • Patent Title: Plasma pilot Jul. 13, 2021
  • Patent Title: Porous flame holder for low nox combustion Jun. 29, 2021
  • Patent Title: Burner system including a non-planar perforated flame holder Nov. 03, 2020
  • Patent Title: Pre-mixed fuel burner with perforated flame holder Oct. 20, 2020
  • Patent Title: Method for electrically controlled combustion fluid flow Oct. 20, 2020
  • Patent Title: Prefabricated integrated combustion assemblies and methods of installing the same into a combustion system Oct. 13, 2020
  • Patent Title: Burner including a perforated flame holder spaced away from a fuel nozzle Sep. 01, 2020
  • Patent Title: Low nox burner Aug. 25, 2020
  • Patent Title: Electrical combustion control system including a complementary electrode pair Jun. 09, 2020
  • Patent Title: Perforated flame holder with adjustable fuel nozzle Mar. 03, 2020
  • Patent Title: Multi-nozzle combustion assemblies including perforated flame holder, combustion systems including the combustion assemblies, and related methods Feb. 04, 2020
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