F24H 15/246
Water level
F24H15/246 (Water level) appears on 104 US grants and 119 published applications in this corpus.
Search patents in F24H- Granted patents
- 104
- Published applications
- 119
- Assignees
- 79
- Inventors
- 303
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 4 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 5 |
| 2010 | 1 | 7 |
| 2011 | 4 | 5 |
| 2012 | 2 | 7 |
| 2013 | 1 | 10 |
| 2014 | 5 | 3 |
| 2015 | 3 | 6 |
| 2016 | 4 | 4 |
| 2017 | 7 | 7 |
| 2018 | 5 | 10 |
| 2019 | 6 | 9 |
| 2020 | 5 | 7 |
| 2021 | 6 | 7 |
| 2022 | 8 | 4 |
| 2023 | 4 | 6 |
| 2024 | 2 | 6 |
| 2025 | 4 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Warming device capable of determining lowering of warming function, image forming apparatus, and determination method1 Sep 2026US 12,722,379 B2KYOCERA Document Solutions Inc.
- Electric boiler device based on utilization of residual energy of elevator, and control method19 May 2026US 12,631,346 B2Zhejiang University of Technology
- Method for controlling a temperature of a liquid in a liquid container17 Feb 2026US 12,554,276 B2Brita LP
- System and method for hydronic distribution with submersible pumps in an unpressurized tank30 Dec 2025US 12,510,255 B2Hunt Utilities Group LLC
- Water heater controller and methods for controlling water temperature2 Dec 2025US 12,487,009 B2
- Water heater controller and methods for controlling water temperature11 Jun 2026US 2026/0160449 A1
- A method and apparatus for rapid circulating tissue pretreatment11 Jun 2026US 2026/0160651 A1Novodiax, Inc.
- Condensate pan for a heat exchanger28 Aug 2025US 2025/0271172 A1Tyco Fire & Security GmbH
- Humidifier for a fan coil24 Apr 2025US 2025/0129951 A1Omachron Intellectual Property Inc.
- Empty pumping prevention apparatus and method6 Mar 2025US 2025/0072656 A1Tsann Kuen (Zhangzhou) Enterprise Co., Ltd.
Most cited
By later US patents
- Fluid heating control system199US 6,246,831 B1David Seitz · 2001
- Fluid heater with improved heating elements controller107US 6,080,971 A2000
- Fluid heater with improved heating elements controller91US 5,866,880 A1999
- Leak detection and management apparatus including a programmable message device for a hot water heater82US 5,345,224 A1994
- Electrtic, modular tankless fluids heater81US 5,325,822 A1994