F24H 9/20
Arrangement or mounting of control or safety devices
F24H9/20 (Arrangement or mounting of control or safety devices) appears on 1,648 US grants and 1,929 published applications in this corpus.
Search patents in F24H- Granted patents
- 1,648
- Published applications
- 1,929
- Assignees
- 738
- Inventors
- 3,230
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 12 | 0 |
| 1978 | 11 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 10 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 18 | 0 |
| 1986 | 12 | 0 |
| 1987 | 14 | 0 |
| 1988 | 15 | 0 |
| 1989 | 10 | 0 |
| 1990 | 9 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 22 | 0 |
| 1995 | 13 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 20 | 0 |
| 2000 | 26 | 0 |
| 2001 | 26 | 6 |
| 2002 | 16 | 18 |
| 2003 | 28 | 24 |
| 2004 | 20 | 21 |
| 2005 | 21 | 24 |
| 2006 | 22 | 30 |
| 2007 | 14 | 40 |
| 2008 | 12 | 27 |
| 2009 | 21 | 46 |
| 2010 | 18 | 70 |
| 2011 | 27 | 55 |
| 2012 | 47 | 89 |
| 2013 | 43 | 98 |
| 2014 | 51 | 97 |
| 2015 | 55 | 121 |
| 2016 | 82 | 102 |
| 2017 | 76 | 88 |
| 2018 | 93 | 110 |
| 2019 | 101 | 125 |
| 2020 | 88 | 129 |
| 2021 | 79 | 125 |
| 2022 | 111 | 118 |
| 2023 | 95 | 79 |
| 2024 | 82 | 120 |
| 2025 | 64 | 102 |
| 2026 | 48 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water heater having highly efficient and compact heat exchanger6 Oct 2026US RE51,053 E1A. O. Smith Corporation
- Heater bundles having variable power output within zones22 Sep 2026US 12,742,570 B2Watlao Electric Manufacturing Company
- Stepped segmental baffle for electric process heater1 Sep 2026US 12,723,776 B2
- Low-emissions heating, cooling, and hot water system25 Aug 2026US 12,716,616 B2Harvest Thermal, Inc.
- Furnace control systems and methods25 Aug 2026US 12,716,617 B2Johnson Controls Light Commercial IP GmbH
- Smart electric heater for bathing installations8 Oct 2026US 2026/0309370 A1Balboa Water Group, Inc.
- Water heater appliance and methods for detection and identification of fault conditions17 Sep 2026US 2026/0276242 A1Haier US Appliance Solutions, Inc.
- Systems and Methods to Quick Start a Water Heater3 Sep 2026US 2026/0258969 A1Rheem Manufacturing Company
- Portable Towel Warming Apparatus with Enhanced Heat Distribution and Thermal Insulation27 Aug 2026US 2026/0248328 A1
- Systems and Methods to Configure Water Heaters20 Aug 2026US 2026/0243467 A1Rheem Manufacturing Company
Most cited
By later US patents
- Integrated appliance control system186US 6,059,195 ATridelta Industries, Inc. · 2000
- System for servicing and maintaining heat supply equipment177US 6,626,366 B2Miura Co., Ltd. · 2003
- Method for servicing and maintaining heat supply equipment155US 6,764,019 B1Miura Co., Ltd. · 2004
- Control system for a water heater150US 5,797,358 AAOS Holding Company · 1998
- Multi-phase modular comfort controlled heating system131US 4,337,893 AEnergy Savings Parhelion · 1982