F23L 17/16
Induction apparatus
Official title: Induction apparatus, e.g. steam jet, acting on combustion products beyond the fire
F23L17/16 (Induction apparatus) appears on 63 US grants and 33 published applications in this corpus.
Search patents in F23L- Granted patents
- 63
- Published applications
- 33
- Assignees
- 35
- Inventors
- 114
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 4 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 3 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fluidic turbo heater system10 Feb 2026US 12,546,273 B2Jetoptera, Inc.
- Chimney flue heater20 May 2025US 12,305,854 B2KC Wester LLC
- Fuel-fired appliance with exhaust dilution20 Aug 2024US 12,066,217 B2Rheem Manufacturing Company
- Fluidic turbo heater system23 Apr 2024US 11,965,456 B2Jetoptera, Inc.
- Draft inducer21 Mar 2023US 11,608,982 B1
- Fluidic turbo heater system21 May 2026US 2026/0139639 A1Jetoptera, Inc.
- Fluidic turbo heater system6 Feb 2025US 2025/0043713 A1Jetoptera, Inc.
- Chimney flue heater3 Nov 2022US 2022/0349576 A1KC Wester LLC
- Fuel-fired appliance with exhaust dilution23 Jun 2022US 2022/0196289 A1Rheem Manufacturing Company
- Fluidic turbo heater system6 May 2021US 2021/0131338 A1Jetoptera, Inc.
Most cited
By later US patents