F24D 19/0095
Devices for preventing damage by freezing
Official title: {Devices for preventing damage by freezing}
F24D19/0095 (Devices for preventing damage by freezing) appears on 58 US grants and 78 published applications in this corpus.
Search patents in F24D- Granted patents
- 58
- Published applications
- 78
- Assignees
- 52
- Inventors
- 158
- Latest grant
- 11 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 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 7 |
| 2011 | 1 | 6 |
| 2012 | 0 | 7 |
| 2013 | 2 | 5 |
| 2014 | 5 | 4 |
| 2015 | 4 | 6 |
| 2016 | 2 | 2 |
| 2017 | 3 | 5 |
| 2018 | 4 | 3 |
| 2019 | 4 | 2 |
| 2020 | 4 | 5 |
| 2021 | 4 | 3 |
| 2022 | 4 | 3 |
| 2023 | 5 | 4 |
| 2024 | 2 | 3 |
| 2025 | 0 | 4 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cold climate heat pump system with energy storage11 Aug 2026US 12,704,328 B2Trane International Inc.
- Circulation pump, system and method for domestic hot-water recirculation14 Jul 2026US 12,680,280 B2Grundfos Holding A/S
- Heating system9 Jun 2026US 12,650,234 B2Intellihot, Inc.
- Condensate trap system with blockage detection and heating system freeze-protection control14 Apr 2026US 12,601,524 B1Intellihot, Inc.
- Methods and systems for performing a heat pump defrost cycle12 Nov 2024US 12,140,322 B2Octopus Energy Heating Limited
- Modular antifreeze valve13 Aug 2026US 2026/0235222 A1Caleffi S.p.A.
- Heating system4 Jun 2026US 2026/0153266 A1Intellihot, Inc.
- Products for dosing heating systems with chemicals21 May 2026US 2026/0139849 A1Adey Holdings (2008) Limited
- Cold climate heat pump system with energy storage4 Sep 2025US 2025/0277633 A1Trane International Inc.
- Modular de-superheater and water heater system19 Jun 2025US 2025/0198672 A1Carrier Corporation
Most cited
By later US patents
- Flexible hose heat exchanger construction with combination locating and thawing wire34US 5,022,459 A1991
- Heat pump system having a pre-processing module30US 8,915,092 B2Venmar CES, Inc. · 2014
- Advanced valve actuation system with integral freeze protection21US 8,833,384 B2Schneider Electric Buildings, LLC · 2014
- Condensate drainage system for an outdoor condensing furnace14US 6,684,878 B2Carrier Corporation · 2004
- Advanced valve actuator with true flow feedback13US 9,658,628 B2Schneider Electric Buildings, LLC · 2017