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| 9874348 | Wind resistant heater | Feb 25, 11 | Jan 23, 18 | BROMIC HEATING PTY. LIMITED |
| 9863636 | Fuel-fired heating appliance having flame indicator assembly | Aug 12, 14 | Jan 09, 18 | RHEEM MANUFACTURING COMPANY |
| 9863635 | Combined ignitor spark and flame rod | Jun 24, 15 | Jan 09, 18 | GENERAL ELECTRIC TECHNOLOGY GMBH |
| 9822708 | Igniter event conductor for conducting igniter events from a combustion chamber to a sensor | May 06, 14 | Nov 21, 17 | WOODWARD, INC. |
| 9822978 | Combined high energy igniter and flame detector | Oct 17, 16 | Nov 21, 17 | CHENTRONICS, LLC |
| 9803889 | Method of and system for flame sensing and diagnostic | Feb 04, 16 | Oct 31, 17 | LENNOX INDUSTRIES INC. |
| 9797600 | Water heating device and method for measuring a flame current in a flame in a water heating device | Aug 28, 12 | Oct 24, 17 | INTERGAS HEATING ASSETS B.V. |
| 9791172 | Dual sensor combustion system | Oct 05, 15 | Oct 17, 17 | A. O. SMITH CORPORATION |
| 9784448 | Method for electronically regulating a combustible mixture, for example gas fed to a burner | Mar 12, 13 | Oct 10, 17 | BERTELLI & PARTNERS S.R.L. |
| 9784449 | Flame sensing system | Jun 26, 14 | Oct 10, 17 | Not available |
| 9732958 | Electrodynamic control in a burner system | Mar 12, 14 | Aug 15, 17 | CLEARSIGN COMBUSTION CORPORATION |
| 9696034 | Combustion system including one or more flame anchoring electrodes and related methods | Feb 27, 14 | Jul 04, 17 | CLEARSIGN COMBUSTION CORPORATION |
| 9664386 | Dynamic flame control | Mar 03, 14 | May 30, 17 | CLEARSIGN COMBUSTION CORPORATION |
| 9651255 | Control facility for a burner system | Dec 16, 11 | May 16, 17 | SIEMENS AKTIENGESELLSCHAFT |
| 9546788 | Combined high energy igniter and flame detector | Jun 07, 12 | Jan 17, 17 | CHENTRONICS CORPORATION, CHENTRONICS, LLC, |
| 9513006 | Electrodynamic burner with a flame ionizer | Nov 27, 13 | Dec 06, 16 | CLEARSIGN COMBUSTION CORPORATION |
| 9496688 | Precombustion ionization | Nov 27, 13 | Nov 15, 16 | CLEARSIGN COMBUSTION CORPORATION |