Description
Class F23L : AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUSTIBLE LIQUID OR GAS
Subclass 5/02: Blast-producing apparatus before the fire Arrangements of fans or blowers (fans or blowers per seF04)
F23L 5/02
Sub-Class
Stats
- 58 US PATENTS IN FORCE
- 6 US APPLICATIONS PENDING
- 11 Total Patent Owners
- 138 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12092253 | Air supply duct for fan and combustion device including the same | Nov 03, 21 | Sep 17, 24 | Noritz Corporation |
| 12055292 | Premixing apparatus | Mar 08, 22 | Aug 06, 24 | Rinnai Corporation |
| 11998141 | Pellet-fired cooking apparatus | May 17, 21 | Jun 04, 24 | Onward Multi-Corp Inc. |
| 11940147 | Blown air heating system | Jun 09, 22 | Mar 26, 24 | Brunswick Corporation |
| 11873836 | Blower assembly for gas-burning appliance | Mar 04, 20 | Jan 16, 24 | Regal Beloit America, Inc. |
| 11873831 | Double inlet backward curved blower | Jun 21, 21 | Jan 16, 24 | Carrier Corporation |
| 11852334 | Biomass burner | Dec 30, 21 | Dec 26, 23 | CHINA NATIONAL TOBACCO CORPORATION HENAN PROVINCIAL COMPANY; XUCHANG TONGXING MODERN AGRICULTURAL SCIENCE AND TECHNOLOGY CO., LTD.; Henan Agricultural University; |
| 11808449 | Fresh air intake for low NOx emission furnace | Jul 10, 20 | Nov 07, 23 | Lennox Industries Inc. |
| 11795966 | Blowing device and combustion device including same | Oct 13, 21 | Oct 24, 23 | Noritz Corporation |
| 11754283 | Flare gas system | Apr 12, 21 | Sep 12, 23 | Not available |
| 11708972 | Gas/air mixing device of a gas burner | May 18, 21 | Jul 25, 23 | Pittway Sarl |
| 11506421 | Water heating device | Aug 14, 19 | Nov 22, 22 | Noritz Corporation |
| 11441772 | Forced-draft pre-mix burner device | Jul 19, 18 | Sep 13, 22 | Brunswick Corporation |
| 11306944 | Water heater blower assembly having a low exhaust port | Nov 11, 16 | Apr 19, 22 | Regal Beloit America, Inc. |
| 11255540 | Crude and waste oil burner | May 14, 20 | Feb 22, 22 | Not available |
| 11242989 | Combustion apparatus | Sep 13, 19 | Feb 08, 22 | Harris Multi Jet Burner Ltd |
| 11149955 | Modular forced air burner assembly | Apr 30, 19 | Oct 19, 21 | Not available |
| 11137137 | Method for driving a valve for regulating the flow rate of fuel gas towards a burner, in particular for condensation boilers having high power modulation | May 09, 17 | Oct 05, 21 | SIT S.P.A. |
| 11041502 | Double inlet backward curved blower | Jan 14, 19 | Jun 22, 21 | Carrier Corporation |
| 11026543 | Pellet-fired cooking apparatus | Mar 07, 19 | Jun 08, 21 | Onward Multi-Corp Inc. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0401,803 | HIGH TURNDOWN COMBUSTION SYSTEM AND METHOD | May 30, 23 | Dec 05, 24 | Not available |
| 2023/0280,030 | AIR BLOWER AND COMBUSTION DEVICE INCLUDING THE SAME | Dec 07, 22 | Sep 07, 23 | Noritz Corporation |
| 2021/0052,109 | Prtable picnic barbecue grill | Nov 09, 20 | Feb 25, 21 | Dongguan Chunyuan Environmental Protection Technology Co., Ltd |
| 2020/0363,057 | ENRICHED AIR STOVE | Jan 11, 19 | Nov 19, 20 | Not available |
| 2018/0231,011 | Topside draft induced fan | Aug 09, 17 | Aug 16, 18 | Not available |
| 2018/0072,953 | AIRFLOW CONTROL AND HEAT RECOVERY IN A MANAGED KILN | Nov 15, 17 | Mar 15, 18 | BIOCHAR NOW, LLC |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)