F24H 9/16
Arrangements for water drainage
F24H9/16 (Arrangements for water drainage) appears on 122 US grants and 131 published applications in this corpus.
Search patents in F24H- Granted patents
- 122
- Published applications
- 131
- Assignees
- 68
- Inventors
- 267
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 3 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 3 |
| 2009 | 2 | 6 |
| 2010 | 0 | 5 |
| 2011 | 4 | 3 |
| 2012 | 6 | 1 |
| 2013 | 1 | 6 |
| 2014 | 3 | 2 |
| 2015 | 5 | 5 |
| 2016 | 0 | 4 |
| 2017 | 2 | 4 |
| 2018 | 5 | 8 |
| 2019 | 8 | 12 |
| 2020 | 9 | 16 |
| 2021 | 11 | 7 |
| 2022 | 6 | 7 |
| 2023 | 7 | 7 |
| 2024 | 6 | 13 |
| 2025 | 4 | 8 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for avoiding critical operating conditions of a liquid tank device and liquid tank device25 Aug 2026US 12,717,358 B2Brita LP
- Condensate trap system with blockage detection and heating system freeze-protection control14 Apr 2026US 12,601,524 B1Intellihot, Inc.
- Air pressure detection device, combustor, gas water heater, method and apparatus for controlling gas water heater, and computer-readable storage medium7 Apr 2026US 12,595,933 B2Midea Group Co., Ltd.
- Water boiler with dual heating functionality13 Jan 2026US 12,523,395 B2Xiamen Aquasu Electric Shower Co., Ltd
- Temperature and pressure relief valve5 Aug 2025US 12,379,236 B2Watts Regulator Co.
- Water detection, distribution and monitoring system8 Oct 2026US 2026/0308893 A1Ocean Park Mechanical Inc
- Pressurized tankless boiler system and appartus8 Oct 2026US 2026/0309365 A1Phoenix Heating Services
- Electric hot water micro-tank preheater unit10 Sep 2026US 2026/0266476 A1
- Condensate atomizer for heat pump water heater27 Aug 2026US 2026/0251352 A1A. O. Smith Corporation
- Tankless drop-in replacement boiler11 Jun 2026US 2026/0160445 A1MO’S Mechanical, LLC
Most cited
By later US patents
- Water leakage detection device98US 5,188,143 A1993
- Leak detection and management apparatus including a programmable message device for a hot water heater82US 5,345,224 A1994
- Water heater leak collector48US 4,765,360 A1988
- Hot water heater failure protection device with solenoid48US 4,805,662 A1989
- Valve assembly and acuator operative for automatically shutting off water and gas supplies to a hot water heater upon detection of a water leak48US 6,024,116 AAquagard, LLC · 2000