F28D 20/028
Control arrangements therefor
Official title: {Control arrangements therefor}
F28D20/028 (Control arrangements therefor) appears on 261 US grants and 286 published applications in this corpus.
Search patents in F28D- Granted patents
- 261
- Published applications
- 286
- Assignees
- 200
- Inventors
- 721
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 9 | 2 |
| 2002 | 3 | 6 |
| 2003 | 2 | 2 |
| 2004 | 2 | 5 |
| 2005 | 0 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 4 |
| 2009 | 1 | 9 |
| 2010 | 4 | 6 |
| 2011 | 4 | 10 |
| 2012 | 2 | 12 |
| 2013 | 3 | 12 |
| 2014 | 5 | 8 |
| 2015 | 8 | 13 |
| 2016 | 5 | 13 |
| 2017 | 10 | 12 |
| 2018 | 13 | 20 |
| 2019 | 20 | 18 |
| 2020 | 14 | 18 |
| 2021 | 15 | 17 |
| 2022 | 14 | 22 |
| 2023 | 14 | 6 |
| 2024 | 16 | 21 |
| 2025 | 18 | 26 |
| 2026 | 9 | 19 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy storage device and method based on carbon dioxide gas-liquid phase change25 Aug 2026US 12,716,659 B2Exa Energy Technology (Shenzhen) Co. Ltd.
- Device and method for measuring thermal charging state in latent heat thermal energy storage systems23 Jun 2026US 12,663,221 B1Prince Sattam Bin Abdulaziz University
- Heating and cooling system using mechanical transfer of encapsulated phase change materials26 May 2026US 12,638,251 B29494-2851 QuéBec Inc.
- Modular thermal energy storage and transfer in a PCM hosting system12 May 2026US 12,624,902 B2
- Heat transfer apparatus and method21 Apr 2026US 12,607,414 B2Baltimore Aircoil Company, Inc.
- Separation and heat transfer systems8 Oct 2026US 2026/0309430 A1Solvcor Technologies LLC
- Two phase heat transfer with mixing1 Oct 2026US 2026/0298551 A1Solvcor Technolgies LLC
- Cellular Latent Heat Thermal Energy Storage System10 Sep 2026US 2026/0266559 A1City University of Hong Kong
- Method and system for controlling a state-of-charge of phase change material storage systems13 Aug 2026US 2026/0235367 A1Cartesian AS
- Thermal energy storage management system13 Aug 2026US 2026/0235368 A1Gyre Energy Limited
Most cited
By later US patents
- Rechargeable phase change material unit and food warming device160US 5,884,006 A1999
- Food warning device containing a rechargeable phase change material108US 6,108,489 APhase Change Laboratories, Inc. · 2000
- Thermal retention device84US 5,932,129 AVesture Corporation · 1999
- Heat producing mask and method of use82US 4,559,047 A1985
- Reusable heat pack containing supercooled solution and means for activating same80US 4,077,390 A1978