C01F 7/445
Making use of a fluidised bed
Official title: making use of a fluidised bed
C01F7/445 (Making use of a fluidised bed) appears on 16 US grants and 6 published applications in this corpus.
Search patents in C01F- Granted patents
- 16
- Published applications
- 6
- Assignees
- 12
- Inventors
- 52
- Latest grant
- 11 Jun 2013
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
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| 2000 | 1 | 0 |
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| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Process and plant for producing metal oxide from metal salts20 Nov 2012US 8,313,715 B2Outotec Oyj
- Process and plant for producing metal oxide from metal compounds1 Nov 2011US 8,048,380 B2Outotec Oyj
- Process and plant for producing metal oxide from metal compounds16 Feb 2010US 7,662,351 B2Outotec Oyj
- Fluidized bed process for producing alumina from aluminum hydroxide18 Jan 2000US 6,015,539 AMetallgesellschaft Aktiengesellschaft
- Calcination Apparatus and Process23 Jul 2026US 2026/0209059 A1Rio Tinto Alcan International Limited
- Process and system for thermal treatment of granular solids26 Jul 2018US 2018/0207598 A1Outotec (Finland) Oy
- Process and plant for producing metal oxide from metal salts1 Mar 2012US 2012/0052000 A1Outotec Oyj
- Process and plant for producing metal oxide from metal salts19 Jan 2012US 2012/0014863 A1Outotec Oyj
- Process and plant for producing metal oxide from metal compounds5 Nov 2009US 2009/0274589 A1Outotec Oyj
Most cited
By later US patents
- High efficiency process for producing high purity alumina52US 5,286,472 AAlcan International Limited · 1994
- Carrying out endothermic processes in fast fluidized reactor with conventionally fluidized holding reactor46US 4,076,796 AMetallgesellschaft Aktiengesellschaft · 1978
- Method of preparing granulated activated alumina25US 4,166,100 A1979
- Producing alpha alumina particles with pressurized acidic steam25US 4,822,592 AAluminum Company of America · 1989
- Alpha alumina production in a steam-fluidized reactor15US 4,585,645 AAluminum Company of America · 1986