F28D 13/00
Heat-exchange apparatus using a fluidised bed
F28D13/00 (Heat-exchange apparatus using a fluidised bed) appears on 209 US grants and 103 published applications in this corpus.
Search patents in F28D- Granted patents
- 209
- Published applications
- 103
- Assignees
- 136
- Inventors
- 373
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 13 | 0 |
| 1982 | 11 | 0 |
| 1983 | 16 | 0 |
| 1984 | 11 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 5 | 1 |
| 2002 | 3 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 4 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 3 |
| 2011 | 1 | 2 |
| 2012 | 2 | 7 |
| 2013 | 3 | 8 |
| 2014 | 0 | 7 |
| 2015 | 4 | 5 |
| 2016 | 7 | 4 |
| 2017 | 7 | 5 |
| 2018 | 2 | 5 |
| 2019 | 4 | 3 |
| 2020 | 0 | 3 |
| 2021 | 6 | 1 |
| 2022 | 4 | 10 |
| 2023 | 5 | 4 |
| 2024 | 1 | 8 |
| 2025 | 6 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device, plant and method for the storage and transfer of thermal energy of solar origin15 Sep 2026US 12,738,878 B2Magaldi Power S.P.A.
- Rotary batch preheater14 Apr 2026US 12,600,657 B2
- Method for heating a heat exchange medium in a fluidized bed boiler, a fluidized bed boiler, and a loopseal heat exchanger30 Dec 2025US 12,510,241 B2Valmet Technologies Oy
- Powder-gas heat exchanger and applications thereof19 Aug 2025US 12,391,611 B2Calix, Inc.
- Plant and method for accumulation of energy in thermal form5 Aug 2025US 12,379,137 B2Magaldi Power S.P.A.
- Thermal energy storage8 Oct 2026US 2026/0309431 A1Magaldi Power S.P.A.
- Heat exchanger for a solid bulk material17 Sep 2026US 2026/0276311 A1Polymetrix AG
- Method and facility for heat transfer between a granular material and a fluid10 Sep 2026US 2026/0266552 A1
- Synergetic system and method for waste treatment11 Jun 2026US 2026/0158442 A1Dürr Systems AG
- Rotary Batch Preheater26 Mar 2026US 2026/0084995 A1
Most cited
By later US patents
- Device and method for storage and transfer of thermal energy originated from solar radiation based on fluidization of a bed of particles71US 8,960,182 B2Magaldi Industrie S.R.L. · 2015
- Integral fluidized bed heat exchanger in an energy producing plant61US 4,716,856 AMetallgesellschaft Aktiengesellschaft · 1988
- Method for converting alcohols to hydrocarbons58US 4,423,274 AMobil Oil Corporation · 1983
- Heat exchanger with backmix and flow through particle cooling45US 4,881,592 AUop LLC · 1989
- Method and apparatus in a fluidized bed heat exchanger41US 6,962,676 B1Foster Wheeler Energia Oy · 2005