F28C 3/12
The heat-exchange medium being a particulate material and a gas, vapour, or
Official title: the heat-exchange medium being a particulate material and a gas, vapour, or liquid
F28C3/12 (The heat-exchange medium being a particulate material and a gas, vapour, or) appears on 174 US grants and 102 published applications in this corpus.
Search patents in F28C- Granted patents
- 174
- Published applications
- 102
- Assignees
- 130
- Inventors
- 334
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 3 | 6 |
| 2007 | 4 | 2 |
| 2008 | 1 | 12 |
| 2009 | 2 | 1 |
| 2010 | 3 | 4 |
| 2011 | 8 | 8 |
| 2012 | 1 | 6 |
| 2013 | 5 | 9 |
| 2014 | 5 | 8 |
| 2015 | 9 | 7 |
| 2016 | 6 | 4 |
| 2017 | 9 | 4 |
| 2018 | 1 | 3 |
| 2019 | 3 | 5 |
| 2020 | 4 | 1 |
| 2021 | 1 | 5 |
| 2022 | 1 | 3 |
| 2023 | 3 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 3 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Powder-gas heat exchanger and applications thereof19 Aug 2025US 12,391,611 B2Calix, Inc.
- Apparatus and methods for the storage of energy as heat22 Oct 2024US 12,123,326 B2Synchrostor Limited
- Heater9 Jan 2024US 11,867,465 B2FARMET a.s.
- Systems and methods for particle-enhanced dry heat rejection and thermal storage5 Dec 2023US 11,835,300 B2National Technology & Engineering Solutions of Sandia, LLC
- Fluidized-bed heat exchanger for conversion of thermal energy to electricity29 Aug 2023US 11,740,025 B2Alliance for Sustainable Energy, LLC
- Powder-Gas Heat Exchanger and Applications Thereof13 Nov 2025US 2025/0346525 A1Calix, Inc.
- Oxidation reactor for solid solar thermochemical fuel28 Aug 2025US 2025/0270464 A1Board of Trustees of Michigan State University
- Cement Waste Recycling Device and Method of Recycling Cement Waste13 Feb 2025US 2025/0051231 A1
- Apparatus and methods for the storage of energy as heat14 Mar 2024US 2024/0084719 A1Synchrostor Limited
- A Powder-Gas Heat Exchanger and Applications Thereof25 May 2023US 2023/0159388 A1Calix, Inc.
Most cited
By later US patents
- Heat transfer and storage system124US 4,727,930 AThe Board of Regents of the University of Washington · 1988
- Microwave purification process91US 7,905,942 B1SDCmaterials, Inc. · 2011
- Solar-thermal fluid-wall reaction processing75US 7,033,570 B2Midwest Research Institute · 2006
- Pumped heat energy storage system with convey able solid thermal storage media directly thermally coupled to working fluid67US 10,775,111 B2Dresser-Rand Company · 2020
- Method and apparatus for making recyclable catalysts66US 8,076,258 B1SDCmaterials, Inc. · 2011