F24H 15/421
Using pre-stored data
Official title: using pre-stored data
F24H15/421 (Using pre-stored data) appears on 337 US grants and 504 published applications in this corpus.
Search patents in F24H- Granted patents
- 337
- Published applications
- 504
- Assignees
- 188
- Inventors
- 882
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 3 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 4 | 8 |
| 2007 | 2 | 9 |
| 2008 | 4 | 5 |
| 2009 | 4 | 7 |
| 2010 | 5 | 18 |
| 2011 | 5 | 10 |
| 2012 | 7 | 16 |
| 2013 | 10 | 23 |
| 2014 | 12 | 25 |
| 2015 | 11 | 27 |
| 2016 | 21 | 24 |
| 2017 | 26 | 28 |
| 2018 | 20 | 26 |
| 2019 | 31 | 44 |
| 2020 | 31 | 31 |
| 2021 | 20 | 40 |
| 2022 | 30 | 18 |
| 2023 | 21 | 19 |
| 2024 | 23 | 58 |
| 2025 | 19 | 40 |
| 2026 | 12 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine learning of heat pump system water usage patterns for optimized heat pump performance1 Sep 2026US 12,723,778 B2Bradford White Corporation
- Furnace control systems and methods25 Aug 2026US 12,716,617 B2Johnson Controls Light Commercial IP GmbH
- Circulation pump, system and method for domestic hot-water recirculation14 Jul 2026US 12,680,280 B2Grundfos Holding A/S
- Heating systems9 Jun 2026US 12,650,244 B2Mixergy Limited
- Hot water supply apparatus12 May 2026US 12,624,862 B2Daikin Industries, Ltd.
- Machine learning of heat pump system water usage patterns for optimized heat pump performance1 Oct 2026US 2026/0298499 A1Bradford White Corporation
- Water heater system and method of operating same3 Sep 2026US 2026/0258957 A1S3NERGY INC. d/b/a REGENEAU
- Water heater multi-unit parallel-connected system control method and apparatus, and water heater multi-unit parallel-connected system13 Aug 2026US 2026/0235325 A1Guangdong Midea Kitchen and Bath Appliances Mfg. Co., Ltd.
- Heat pump-type hot-water heating device6 Aug 2026US 2026/0227097 A1Fujitsu General Limited
- Systems and Methods for Operating a Valve Installed at an Inlet of a Water Heating System16 Jul 2026US 2026/0202095 A1Rheem Manufacturing Company
Most cited
By later US patents
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- Automated water heater flushing and monitoring system122US 10,047,974 B1State Farm Mutual Automobile Insurance Company · 2018
- Automated water heater flushing and monitoring system121US 10,480,825 B1State Farm Mutual Automobile Insurance Company · 2019
- Automated water heater flushing and monitoring system119US 10,323,860 B1State Farm Mutual Automobile Insurance Company · 2019
- Automated water heater flushing and monitoring system118US 10,823,458 B1State Farm Mutual Automobile Insurance Company · 2020