F24H 15/238
Flow rate
F24H15/238 (Flow rate) appears on 399 US grants and 548 published applications in this corpus.
Search patents in F24H- Granted patents
- 399
- Published applications
- 548
- Assignees
- 212
- Inventors
- 930
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 3 | 4 |
| 2006 | 5 | 8 |
| 2007 | 4 | 8 |
| 2008 | 3 | 10 |
| 2009 | 9 | 17 |
| 2010 | 3 | 31 |
| 2011 | 8 | 12 |
| 2012 | 20 | 31 |
| 2013 | 17 | 25 |
| 2014 | 15 | 14 |
| 2015 | 18 | 23 |
| 2016 | 20 | 31 |
| 2017 | 15 | 14 |
| 2018 | 21 | 36 |
| 2019 | 24 | 36 |
| 2020 | 23 | 36 |
| 2021 | 27 | 40 |
| 2022 | 38 | 24 |
| 2023 | 26 | 27 |
| 2024 | 25 | 54 |
| 2025 | 28 | 43 |
| 2026 | 12 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water heater having highly efficient and compact heat exchanger6 Oct 2026US RE51,053 E1A. O. Smith Corporation
- Hot water supply system21 Jul 2026US 12,687,322 B2Noritz Corporation
- Constant-temperature liquid supply apparatus7 Jul 2026US 12,673,396 B2Disco Corporation
- Hot water supply apparatus and method of controlling the same26 May 2026US 12,638,193 B2Kyungdong Navien Co., Ltd.
- Water heater device with TRIAC and method of use19 May 2026US 12,631,370 B2
- Energy buffering using a heat pump8 Oct 2026US 2026/0309339 A1Mixergy Limited
- Hot water supply system8 Oct 2026US 2026/0309368 A1Mitsubishi Electric Corporation
- Smart electric heater for bathing installations8 Oct 2026US 2026/0309370 A1Balboa Water Group, Inc.
- Water heater system diagnostics3 Sep 2026US 2026/0258977 A1Bradford White Corporation
- Air heating apparatus27 Aug 2026US 2026/0251318 A1Kyungdong Navien Co., Ltd.
Most cited
By later US patents
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- Furnace monitoring system97US 4,296,727 AMicro-Burner Systems Corporation · 1981
- Compact high flow rate electric instantaneous water heater90US 4,567,350 A1986
- Microprocessor controlled through-flow electric water heater90US 4,638,147 A1987
- Automatic water heating system82US 6,351,603 B2Arwa Technologies, Inc. · 2002