F24H 15/219
After heating
Official title: after heating
F24H15/219 (After heating) appears on 398 US grants and 551 published applications in this corpus.
Search patents in F24H- Granted patents
- 398
- Published applications
- 551
- Assignees
- 228
- Inventors
- 1,001
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 3 |
| 2003 | 5 | 5 |
| 2004 | 3 | 3 |
| 2005 | 5 | 7 |
| 2006 | 4 | 7 |
| 2007 | 5 | 8 |
| 2008 | 2 | 6 |
| 2009 | 9 | 11 |
| 2010 | 3 | 25 |
| 2011 | 7 | 20 |
| 2012 | 13 | 30 |
| 2013 | 13 | 25 |
| 2014 | 15 | 22 |
| 2015 | 24 | 27 |
| 2016 | 16 | 26 |
| 2017 | 15 | 17 |
| 2018 | 22 | 39 |
| 2019 | 25 | 24 |
| 2020 | 20 | 32 |
| 2021 | 22 | 42 |
| 2022 | 33 | 22 |
| 2023 | 25 | 22 |
| 2024 | 21 | 46 |
| 2025 | 12 | 53 |
| 2026 | 13 | 28 |
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 tank and flow through heating assembly23 Jun 2026US 12,663,181 B2National Machine Company
- Safety control system for electric water heater2 Jun 2026US 12,644,626 B2National Kaohsiung University of Science and Technology
- Heat pump device26 May 2026US 12,638,222 B2Fujitsu General Limited
- Hot water supply apparatus12 May 2026US 12,624,862 B2Daikin Industries, Ltd.
- 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 appliance and methods for detection and identification of fault conditions17 Sep 2026US 2026/0276242 A1Haier US Appliance Solutions, Inc.
- Mixture control for a water heater system3 Sep 2026US 2026/0258975 A1Bradford White Corporation
- Hot water supply heating device20 Aug 2026US 2026/0243468 A1Noritz Corporation
Most cited
By later US patents
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- Automatic hot water supply apparatus152US 5,058,804 AMatsushita Electric Industrial Co., Ltd. · 1991
- Microprocessor controlled tankless water heater system129US 5,504,306 AChronomite Laboratories, Inc. · 1996
- Fluid heater with improved heating elements controller107US 6,080,971 A2000
- Heater control device and method to save energy92US 6,293,471 B12001