Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 13/04: Construction of valves or dampers for controlling air supply or draught (in general F16K) pivoted about a single axis but having no other movement (formed as linked slats each pivoted about an axis F23L 13/08) with axis perpendicular to face
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12092328 | Systems and methods for extending the turndown ratio of gas-fired burner systems | May 30, 23 | Sep 17, 24 | Rheem Manufacturing Company |
| 11867408 | Outdoor cooking system with improved heat and flame control | Mar 02, 22 | Jan 09, 24 | Magma Products Inc. |
| 11703224 | Systems and methods for extending the turndown ratio of gas-fired burner systems | Apr 17, 20 | Jul 18, 23 | Rheem Manufacturing Company |
| 11333400 | Hot water storage-type boiler having both heat amount proportional control function and backflow prevention function | Oct 16, 19 | May 17, 22 | Not available |
| 10704788 | Solid fuel burning appliance having an air intake control assembly and method for controlling an air intake into a combustion chamber of a solid fuel burning appliance | Aug 17, 17 | Jul 07, 20 | FABRICANT DE POÊLES INTERNATIONAL INC. |
| 10161627 | Modulating burner with venturi damper | Jul 28, 17 | Dec 25, 18 | Lochinvar, LLC |
| 9746176 | Modulating burner with venturi damper | Jun 04, 14 | Aug 29, 17 | LOCHINVAR, LLC |
| 9303920 | Air diverting system for a seed drying bin | Mar 14, 13 | Apr 05, 16 | K.B.C. GROUP, INC. |
| 8845324 | Device for controlling regenerative burners | Jun 25, 09 | Sep 30, 14 | FIVES STEIN |
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