Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 9/06: Passages or apertures for delivering secondary air for completing combustion of fuel by discharging the air into the fire bed
F23L 9/06
Sub-Class
Stats
- 12 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 3 Total Patent Owners
- 33 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11892200 | Furnace | Jun 15, 20 | Feb 06, 24 | FIRE CHIEF INDUSTRIES LLC |
| 11686472 | Controlled secondary air supply range burner | Jun 02, 21 | Jun 27, 23 | Gas Technology Institute |
| 11326779 | Two component char and biochar combustion/pyrolization system | Nov 18, 19 | May 10, 22 | Tigercat Industries Inc. |
| 11242989 | Combustion apparatus | Sep 13, 19 | Feb 08, 22 | Harris Multi Jet Burner Ltd |
| 11109600 | System and method for a pellet-fired smoker | Jan 13, 20 | Sep 07, 21 | Not available |
| 10801738 | Furnace | Aug 09, 17 | Oct 13, 20 | FIRE CHIEF INDUSTRIES LLC |
| 10684040 | Furnace | Aug 25, 16 | Jun 16, 20 | FIRE CHIEF INDUSTRIES LLC |
| 10495298 | Comb tooth type water-cooled column and furnace having the same | Oct 13, 14 | Dec 03, 19 | INSTITUTE OF ENGINEERING THERMOPHYSICS, CHINESE ACADEMY OF SCIENCES |
| 10119701 | Furnace combustion system and method | May 05, 15 | Nov 06, 18 | Johnson Controls Technology Company |
| 9976739 | Air nozzle arrangement in a fluidized bed boiler, grate for a fluidized bed boiler, and a fluidized bed boiler | Nov 07, 13 | May 22, 18 | VALMET TECHNOLOGIES OY |
| 8997666 | Elevated fixed-grate apparatus for use with multi-fuel furnaces | Aug 29, 11 | Apr 07, 15 | Not available |
| 7581948 | Burner apparatus and methods for making inorganic fibers | Dec 21, 05 | Sep 01, 09 | JOHNS MANVILLE |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0003,584 | Gas burner, gas burner arrangement and gas stove | Dec 02, 22 | Jan 02, 25 | Not available |
| 2024/0175,576 | ULTRA LOW NOx BURNER | Mar 17, 22 | May 30, 24 | Not available |
| 2024/0175,606 | FURNACE | Feb 06, 24 | May 30, 24 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)