F24D 10/00
District heating systems
F24D10/00 (District heating systems) appears on 123 US grants and 130 published applications in this corpus.
Search patents in F24D- Granted patents
- 123
- Published applications
- 130
- Assignees
- 90
- Inventors
- 290
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 2 |
| 2012 | 1 | 5 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 5 | 9 |
| 2016 | 3 | 8 |
| 2017 | 4 | 5 |
| 2018 | 5 | 4 |
| 2019 | 4 | 9 |
| 2020 | 6 | 10 |
| 2021 | 7 | 19 |
| 2022 | 7 | 18 |
| 2023 | 13 | 8 |
| 2024 | 20 | 6 |
| 2025 | 5 | 2 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Control systems for a heat network11 Aug 2026US 12,704,267 B2Siemens Aktiengesellschaft
- Method of operating an HVAC system16 Jun 2026US 12,656,014 B2Belimo Holding AG
- Controlled routing of hydronic flow using a distribution area director17 Mar 2026US 12,578,115 B2Trane International Inc.
- Method and an apparatus for determining a deviation in a thermal energy circuit10 Mar 2026US 12,571,544 B2E. On Sverige AB
- System for regulating a temperature of a thermal energy carrying fluid in a sector of a fluid distribution network17 Jun 2025US 12,331,494 B2Grundfos Holding A/S
- System for utilizing heat from exhaust gases9 Jul 2026US 2026/0194268 A1Siemens Energy Global GmbH & Co. KG
- Method and system for controlling a fluid pressure in a fluid system25 Jun 2026US 2026/0174949 A1
- Controlled routing of hydronic flow using a distribution area director25 Jun 2026US 2026/0177273 A1Trane International Inc.
- A method and system for detecting operational irregularities in a thermal energy exchange system, and a method of training a machine learning model21 May 2026US 2026/0140809 A1Vito NV
- Three-pipe thermal network26 Feb 2026US 2026/0055901 A1ExerGo SA
Most cited
By later US patents
- System and method for energy usage curtailment424US 6,868,293 B1Itron, Inc. · 2005
- Heat pump control system78US 4,627,483 AVisual Information Institute, Inc. · 1986
- Space heating using off-peak electric heat storage77US 4,234,782 ASaskatchewan Power Corporation · 1980
- Heat pump control system with defrost cycle monitoring60US 4,627,484 AVisual Information Institute, Inc. · 1986
- Systems and methods for the capture of heat energy, long-distance conveyance, storage, and distribution of the captured heat energy and power generated therefrom40US 11,274,660 B2Lochterra Inc. · 2022