F23L 17/14
Draining devices
F23L17/14 (Draining devices) appears on 19 US grants and 18 published applications in this corpus.
Search patents in F23L- Granted patents
- 19
- Published applications
- 18
- Assignees
- 13
- Inventors
- 46
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 2 | 3 |
| 2023 | 1 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Nozzle assembly for exhaust fan unit of HVAC system19 May 2026US 12,631,353 B2Air Distribution Technologies IP, LLC
- Nozzle assembly for exhaust fan unit of HVAC system10 Dec 2024US 12,163,676 B2Air Distribution Technologies IP, LLC
- Flue damper with a drainage port30 Jan 2024US 11,885,493 B2Field Controls, LLC
- Flue damper having a float coupled to a damper gate18 Jul 2023US 11,703,221 B2Field Controls, LLC
- End fitting for an exhaust pipe11 Oct 2022US 11,466,852 B2
- Combustion device2 Jul 2026US 2026/0185706 A1Rinnai Corporation
- Exhaust port member23 Apr 2026US 2026/0110431 A1Rinnai Corporation
- Nozzle assembly for exhaust fan unit of hvac system27 Mar 2025US 2025/0102167 A1Air Distribution Technologies IP, LLC
- Nozzle assembly for exhaust fan unit of hvac system18 Aug 2022US 2022/0260089 A1Air Distribution Technologies IP, LLC
- Flue damper having a float coupled to a damper gate17 Mar 2022US 2022/0082252 A1Field Controls, LLC
Most cited
By later US patents
- Robot system with interchangeable hands43US 4,488,241 AZymark Corporation · 1984
- Apparatus for collecting and storing grease discharged from roof mounted exhaust systems32US 4,869,236 A1989
- Exhaust fan assembly21US 7,682,231 B2Greenheck Fan Corporation · 2010
- Discharge structure for closed gas appliances15US 5,680,856 AUbbink Nederland B.V. · 1997
- Method and device to prevent indoor release of carbon monoxide and smoke from combustors15US 6,979,260 B2Freight Pipeline Company · 2005