F24H 1/36
The water chamber including one or more fire tubes
Official title: the water chamber including one or more fire tubes
F24H1/36 (The water chamber including one or more fire tubes) appears on 35 US grants and 34 published applications in this corpus.
Search patents in F24H- Granted patents
- 35
- Published applications
- 34
- Assignees
- 23
- Inventors
- 74
- Latest grant
- 2 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 3 |
| 2014 | 0 | 4 |
| 2015 | 1 | 2 |
| 2016 | 2 | 2 |
| 2017 | 1 | 2 |
| 2018 | 1 | 2 |
| 2019 | 1 | 3 |
| 2020 | 1 | 7 |
| 2021 | 4 | 1 |
| 2022 | 3 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Diffuser plates and diffuser plate assemblies31 Mar 2022US 2022/0099335 A1Rheem Manufacturing Company
- Hybrid condensing boiler with preheater11 Feb 2021US 2021/0041139 A1Enerpro, Inc.
- Smoke tube boiler19 Nov 2020US 2020/0363099 A1Kyungdong Navien Co., Ltd.
Most cited
By later US patents