F24H 15/176
Improving or maintaining comfort of users
F24H15/176 (Improving or maintaining comfort of users) appears on 94 US grants and 124 published applications in this corpus.
Search patents in F24H- Granted patents
- 94
- Published applications
- 124
- Assignees
- 90
- Inventors
- 300
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 0 | 3 |
| 2012 | 0 | 2 |
| 2013 | 3 | 5 |
| 2014 | 1 | 8 |
| 2015 | 5 | 9 |
| 2016 | 3 | 11 |
| 2017 | 8 | 9 |
| 2018 | 8 | 3 |
| 2019 | 6 | 11 |
| 2020 | 6 | 11 |
| 2021 | 5 | 12 |
| 2022 | 8 | 10 |
| 2023 | 7 | 4 |
| 2024 | 11 | 10 |
| 2025 | 7 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Boiler and method for stage change control thereof26 May 2026US 12,638,192 B2Kyungdong Navien Co., Ltd.
- Heat pump device26 May 2026US 12,638,222 B2Fujitsu General Limited
- Methods and systems for predictively preparing water provision system9 Dec 2025US 12,492,826 B2Octopus Energy Heating Limited
- Devices for ohmically heating a fluid2 Dec 2025US 12,490,347 B2OhmIQ, Inc.
- Monitoring and controlling domestic hot water production and distribution17 Jun 2025US 12,331,958 B2Daikin Europe N.V.
- Control device for controlling a burner apparatus configured to burn gaseous liquid or solid fuel17 Sep 2026US 2026/0276243 A1Bertelli & Partners S.R.L.
- Waterway structure and water heater6 Aug 2026US 2026/0227098 A1Junsky Appliances Limited
- Method for controlling a circulation pump2 Jul 2026US 2026/0185528 A1Grundfos Holding A/S
- Devices for ohmically heating a fluid26 Mar 2026US 2026/0089807 A1OhmlQ, Inc.
- Electrical Flow Heater for a Vehicle, in Particular an Electric Vehicle, Operating Method for the Flow Heater and Vehicle5 Mar 2026US 2026/0061800 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Multi-phase modular comfort controlled heating system131US 4,337,893 AEnergy Savings Parhelion · 1982
- Heater control device and method to save energy92US 6,293,471 B12001
- Refrigeration heat pump and auxiliary heating apparatus control system with switchover during low outdoor temperature79US 4,598,764 AHoneywell Inc. · 1986
- Automatic control of air delivery in forced air furnaces54US 6,000,622 AIntegrated Control Devices, Inc. · 1999
- Fan control arrangement for a two stage furnace49US 5,027,789 AInter-City Products Corporation (USA) · 1991