F24H 15/33
Control of dampers
F24H15/33 (Control of dampers) appears on 69 US grants and 69 published applications in this corpus.
Search patents in F24H- Granted patents
- 69
- Published applications
- 69
- Assignees
- 46
- Inventors
- 184
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 3 |
| 2010 | 2 | 4 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 7 |
| 2016 | 3 | 3 |
| 2017 | 3 | 6 |
| 2018 | 4 | 1 |
| 2019 | 4 | 4 |
| 2020 | 5 | 5 |
| 2021 | 1 | 11 |
| 2022 | 2 | 2 |
| 2023 | 5 | 0 |
| 2024 | 5 | 6 |
| 2025 | 2 | 2 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Control system for a water heater150US 5,797,358 AAOS Holding Company · 1998
- Energy sustaining water heater33US 6,684,821 B2Bradford White Corporation · 2004
- Automatic boiler damper31US 4,046,318 A1977
- Temperature control system for a water heater29US 7,798,107 B2Honeywell International Inc. · 2010
- Oil and gas water heater26US 4,549,525 A1985