F24D 2220/04
Sensors
F24D2220/04 (Sensors) appears on 313 US grants and 449 published applications in this corpus.
Search patents in F24D- Granted patents
- 313
- Published applications
- 449
- Assignees
- 193
- Inventors
- 753
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 4 |
| 2006 | 4 | 0 |
| 2007 | 1 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 5 |
| 2010 | 3 | 9 |
| 2011 | 0 | 12 |
| 2012 | 5 | 10 |
| 2013 | 3 | 25 |
| 2014 | 8 | 13 |
| 2015 | 11 | 23 |
| 2016 | 11 | 17 |
| 2017 | 19 | 26 |
| 2018 | 19 | 40 |
| 2019 | 35 | 23 |
| 2020 | 28 | 37 |
| 2021 | 26 | 37 |
| 2022 | 24 | 47 |
| 2023 | 29 | 19 |
| 2024 | 41 | 46 |
| 2025 | 27 | 27 |
| 2026 | 9 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Storage water heater equipped with at least one auxiliary heater and a circulator29 Sep 2026US 12,747,869 B2
- Energy storage arrangement and installations14 Jul 2026US 12,680,730 B2Octopus Energy Heating Limited
- Heating system9 Jun 2026US 12,650,234 B2Intellihot, Inc.
- System and method for providing domestic hot water and/or space heating within a building, and a removable cover of a storage vessel19 May 2026US 12,631,345 B2Mitsubishi Electric Corporation
- Hydronic system and method for heating and cooling a building12 May 2026US 12,624,843 B2Rensselaer Polytechnic Institute
- Energy buffering using a heat pump8 Oct 2026US 2026/0309339 A1Mixergy Limited
- Heat pump device10 Sep 2026US 2026/0266475 A1Fujitsu General Limited
- Systems and Methods for Modulating Heating and/or Cooling Appliance Control Based on Return Air Temperature27 Aug 2026US 2026/0251337 A1Rheem Manufacturing Company
- A valve arrangement with a differential pressure controller30 Jul 2026US 2026/0218918 A1Imi Hydronic Engineering International SA
- Water Heating System with Combination Valve30 Jul 2026US 2026/0218942 A1Rheem Manufacturing Company
Most cited
By later US patents
- Domestic electric energy control104US 5,956,462 AAquabeat Pty Ltd. · 1999
- Programmable thermostat to reduce bacterial proliferation to prevent legionellosis65US 5,808,277 A1998
- Installation of thermostat powered by rechargeable battery56US 9,268,344 B2Google Inc. · 2016
- Heat exchanger for a shower or bathtub48US 10,072,897 B2Joulia AG · 2018
- Overflow protection shut-off apparatus for use with a water heater48US 5,632,302 A1997