F28D 20/021
The latent heat storage material and the heat-exchanging means being enclosed in
Official title: {the latent heat storage material and the heat-exchanging means being enclosed in one container (F28D20/023 - F28D20/028 take precedence)}
F28D20/021 (The latent heat storage material and the heat-exchanging means being enclosed in) appears on 373 US grants and 488 published applications in this corpus.
Search patents in F28D- Granted patents
- 373
- Published applications
- 488
- Assignees
- 326
- Inventors
- 1,125
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 13 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 3 |
| 2003 | 1 | 3 |
| 2004 | 3 | 4 |
| 2005 | 2 | 7 |
| 2006 | 3 | 6 |
| 2007 | 8 | 4 |
| 2008 | 2 | 9 |
| 2009 | 3 | 13 |
| 2010 | 5 | 11 |
| 2011 | 8 | 16 |
| 2012 | 4 | 18 |
| 2013 | 3 | 12 |
| 2014 | 6 | 13 |
| 2015 | 4 | 28 |
| 2016 | 9 | 24 |
| 2017 | 12 | 21 |
| 2018 | 15 | 37 |
| 2019 | 30 | 38 |
| 2020 | 27 | 39 |
| 2021 | 35 | 26 |
| 2022 | 19 | 37 |
| 2023 | 18 | 25 |
| 2024 | 29 | 47 |
| 2025 | 30 | 26 |
| 2026 | 16 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Controlling thermal energy storage29 Sep 2026US 12,747,873 B2Nostromo Ltd.
- Latent heat storage22 Sep 2026US 12,742,599 B2Shinko Electric Industries Co., Ltd.
- Energy storage device and method based on carbon dioxide gas-liquid phase change25 Aug 2026US 12,716,659 B2Exa Energy Technology (Shenzhen) Co. Ltd.
- Modular double brazed phase-change material heat exchanger18 Aug 2026US 12,710,234 B2Blue Origin Manufacturing, LLC
- Latent heat storage14 Jul 2026US 12,680,765 B2Shinko Electric Industries Co., Ltd.
- Microencapsulated phase change material slurry cooling system and method of operation8 Oct 2026US 2026/0309432 A1Northrop Grumman Corporation
- Heat storage device10 Sep 2026US 2026/0266558 A1Shinko Electric Industries Co., Ltd.
- Cellular Latent Heat Thermal Energy Storage System10 Sep 2026US 2026/0266559 A1City University of Hong Kong
- Energy Storage10 Sep 2026US 2026/0266560 A1
- Thermal energy storage management system13 Aug 2026US 2026/0235368 A1Gyre Energy Limited
Most cited
By later US patents
- Thermal energy storage and delivery system141US 6,059,016 AStore Heat and Produce Energy, Inc. · 2000
- Cooling system and method employing auxiliary thermal capacitor unit for facilitating continuous operation of an electronics rack129US 7,086,247 B2International Business Machines Corporation · 2006
- Method and apparatus for thermal energy storage90US 6,158,499 AFAFCO, Inc. · 2000
- Hot liquid thermal energy storage tank and method87US 4,643,212 AChicago Bridge & Iron Company · 1987
- Method and system for the compact storage of heat and coolness by phase change materials79US 4,294,078 ACalmac Manufacturing Corporation · 1981