F28D 20/0039
With stratification of the heat storage material
Official title: {with stratification of the heat storage material}
F28D20/0039 (With stratification of the heat storage material) appears on 163 US grants and 199 published applications in this corpus.
Search patents in F28D- Granted patents
- 163
- Published applications
- 199
- Assignees
- 155
- Inventors
- 436
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 7 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 1 |
| 2005 | 1 | 6 |
| 2006 | 0 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 5 |
| 2009 | 3 | 7 |
| 2010 | 3 | 11 |
| 2011 | 2 | 13 |
| 2012 | 6 | 11 |
| 2013 | 5 | 7 |
| 2014 | 2 | 4 |
| 2015 | 6 | 18 |
| 2016 | 10 | 10 |
| 2017 | 8 | 12 |
| 2018 | 11 | 15 |
| 2019 | 8 | 6 |
| 2020 | 7 | 5 |
| 2021 | 4 | 8 |
| 2022 | 10 | 10 |
| 2023 | 7 | 8 |
| 2024 | 6 | 16 |
| 2025 | 6 | 13 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Diffuser using collision of vortex rings and heat storage tank system including same15 Sep 2026US 12,736,292 B2FT Energy
- Passive management of thermal stratification within long-duration liquid-based thermal energy storage reservoirs16 Jun 2026US 12,656,067 B1Terrafore Technologies, LLC
- Thermal storage system and method26 May 2026US 12,638,249 B2Other Lab, LLC
- Hot water supply apparatus12 May 2026US 12,624,862 B2Daikin Industries, Ltd.
- Hot water supply tank17 Mar 2026US 12,578,119 B2LG Electronics 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
- Sensible heat device30 Jul 2026US 2026/0218990 A1Newton Energy Solutions Holding B.V.
- Thermal energy storage tank diffuser head25 Jun 2026US 2026/0177087 A1Taco, Inc.
- Organic dielectric heat transfer fluids and processes5 Mar 2026US 2026/0063376 A1Solvcor Technologies LLC
Most cited
By later US patents
- Hot liquid thermal energy storage tank and method87US 4,643,212 AChicago Bridge & Iron Company · 1987
- Heat storage vessels for use with heat pumps and solar panels81US 5,941,238 A1999
- Method and apparatus for operating an improved thermocline storage unit77US 4,523,629 AThe United States of America as represented by the United States Department of Energy · 1985
- Heat storage system67US 4,158,384 A1979
- Storage tank for hot water systems65US 7,458,418 B2Carrier Corporation · 2008