F28D 20/023
The latent heat storage material being enclosed in granular particles or dispersed
Official title: {the latent heat storage material being enclosed in granular particles or dispersed in a porous, fibrous or cellular structure}
F28D20/023 (The latent heat storage material being enclosed in granular particles or dispersed) appears on 448 US grants and 547 published applications in this corpus.
Search patents in F28D- Granted patents
- 448
- Published applications
- 547
- Assignees
- 337
- Inventors
- 1,231
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 6 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 11 |
| 2003 | 7 | 12 |
| 2004 | 8 | 15 |
| 2005 | 4 | 16 |
| 2006 | 10 | 14 |
| 2007 | 11 | 20 |
| 2008 | 4 | 10 |
| 2009 | 6 | 16 |
| 2010 | 9 | 18 |
| 2011 | 11 | 16 |
| 2012 | 10 | 25 |
| 2013 | 9 | 19 |
| 2014 | 7 | 19 |
| 2015 | 7 | 28 |
| 2016 | 19 | 20 |
| 2017 | 16 | 28 |
| 2018 | 21 | 48 |
| 2019 | 25 | 33 |
| 2020 | 26 | 47 |
| 2021 | 24 | 37 |
| 2022 | 30 | 29 |
| 2023 | 16 | 18 |
| 2024 | 18 | 18 |
| 2025 | 20 | 16 |
| 2026 | 12 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for enhanced heat transfer loops22 Sep 2026US 12,742,575 B2Solvcor Technologies LLC
- Modular double brazed phase-change material heat exchanger18 Aug 2026US 12,710,234 B2Blue Origin Manufacturing, LLC
- Heat or cold storage multilayer reservoir21 Jul 2026US 12,687,346 B2
- Passive management of thermal stratification within long-duration liquid-based thermal energy storage reservoirs16 Jun 2026US 12,656,067 B1Terrafore Technologies, LLC
- Phase change material-coated heat exchange tubes9 Jun 2026US 12,650,270 B2Henkel AG & Co. KGaA
- Microencapsulated phase change material slurry cooling system and method of operation8 Oct 2026US 2026/0309432 A1Northrop Grumman Corporation
- Method of making and a method of using a thermal transfer blanket system27 Aug 2026US 2026/0251402 A1The Boeing Company
- Solar thermal energy storage device6 Aug 2026US 2026/0227100 A1King Fahd University of Petroleum and Minerals
- Thermal management system and device11 Jun 2026US 2026/0163112 A1
- Environmentally biodegradable compositions comprising an aminosilane prepolymer, controlled release particles and compositions comprising same, and methods of making same4 Jun 2026US 2026/0151751 A1Trucapsol LLC
Most cited
By later US patents
- Orthopedic device having gel pad with phase change material298US 4,964,402 ARoyce Medical Company · 1990
- Phase change material thermal capacitor clothing196US 6,855,410 B22005
- Phase change thermal control materials, method and apparatus174US 5,722,482 A1998
- Coated articles having enhanced reversible thermal properties and exhibiting improved flexibility, softness, air permeability, or water vapor transport properties153US 7,135,424 B2Outlast Technologies, Inc. · 2006
- Process for making carbon foam146US 6,033,506 ALockheed Martin Engery Research Corporation · 2000