F24F 2221/183
Combined with a hot-water boiler
Official title: combined with a hot-water boiler
F24F2221/183 (Combined with a hot-water boiler) appears on 53 US grants and 68 published applications in this corpus.
Search patents in F24F- Granted patents
- 53
- Published applications
- 68
- Assignees
- 30
- Inventors
- 105
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 2 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 7 |
| 2018 | 4 | 6 |
| 2019 | 5 | 9 |
| 2020 | 4 | 5 |
| 2021 | 8 | 4 |
| 2022 | 3 | 4 |
| 2023 | 6 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 12 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heating system with first and second heating devices and bypass line13 Jan 2026US 12,523,389 B2Intellihot, Inc.
- Carbon monoxide leak alerting device and method4 Feb 2025US 12,215,895 B2Nanokem Co., Ltd.
- Apparatus and methods for heating water with refrigerant from air conditioning system21 Jan 2025US 12,203,683 B2Rheem Manufacturing Company
- Integrated space conditioning and water heating/cooling systems and methods thereto24 Dec 2024US 12,173,909 B2Rheem Manufacturing Company
- System and method for discharging carbon monoxide by using carbon monoxide leakage alarm device15 Oct 2024US 12,117,206 B2Nanokem Co., Ltd.
- Method for providing cooled air20 Aug 2026US 2026/0243457 A1
- Heating system with heat pump for internal installation13 Aug 2026US 2026/0235308 A1Innova, Inc.
- Integrated water device applied to heat pump system, heat pump system, and control method thereof15 Jan 2026US 2026/0016194 A1Ningbo Aux Electric Co., Ltd.
- Self-powered air conditioning system including thermal storage31 Jul 2025US 2025/0244037 A1Carrier Corporation
- Method for determining data average wind speed value point in cross section of air duct in non-uniform wind field24 Jul 2025US 2025/0237590 A1Xi'an Jingzhao Power Technology Co., Ltd
Most cited
By later US patents
- Residential heating, cooling and energy management system128US 4,909,041 AUHR Corporation · 1990
- Residential heating, cooling and energy management system89US 4,645,908 AUHR Corporation · 1987
- Method and apparatus for latent heat extraction55US 5,181,552 A1993
- Apparatus for controlling space heating and/or space cooling and water heating52US 5,269,153 AArtesian Building Systems · 1993
- Residential heating cooling and energy management system41US 4,809,516 AUHR Corporation · 1989