Y02B 30/17
District heating
Y02B30/17 (District heating) appears on 125 US grants and 115 published applications in this corpus.
Search patents in Y02B- Granted patents
- 125
- Published applications
- 115
- Assignees
- 76
- Inventors
- 262
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 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 | 2 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 5 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 5 | 8 |
| 2016 | 3 | 7 |
| 2017 | 3 | 7 |
| 2018 | 5 | 5 |
| 2019 | 5 | 11 |
| 2020 | 7 | 10 |
| 2021 | 9 | 17 |
| 2022 | 6 | 12 |
| 2023 | 9 | 7 |
| 2024 | 14 | 1 |
| 2025 | 7 | 1 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control systems for a heat network11 Aug 2026US 12,704,267 B2Siemens Aktiengesellschaft
- Method and an apparatus for determining a deviation in a thermal energy circuit10 Mar 2026US 12,571,544 B2E. On Sverige AB
- Power converter for a thermal system3 Feb 2026US 12,540,955 B2Watlow Electric Manufacturing Company
- System and method for controlling power to a heater13 Jan 2026US 12,523,683 B2Watlow Electric Manufacturing Company
- Power converter for a thermal system21 Oct 2025US 12,449,449 B2Watlow Electric Manufacturing Company
- Power converter for a thermal system28 May 2026US 2026/0147023 A1Watlow Electric Manufacturing Company
- System and method for controlling power to a heater14 May 2026US 2026/0133229 A1Watlow Electric Manufacturing Company
- Method for constructing a pipeline portion of a pipe system, and pipeline portion of a pipe system in a heating network10 Jul 2025US 2025/0224049 A1Technische Universität Darmstadt
- Method for acoustic leak detection in a district heat conduction network27 Jun 2024US 2024/0209993 A1Kamstrup A/S
- Controlling of a district thermal energy distribution system6 Jul 2023US 2023/0213212 A1E. On Sverige AB
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