B01J 8/18
Chemical or physical processes in general, conducted in the presence of fluids
Official title: with fluidised particles {(combustion apparatus with fluidised bed in general F23C10/00; furnaces with fluidised bed F27B15/00)}
B01J8/18 (Chemical or physical processes in general, conducted in the presence of fluids) appears on 4,443 US grants and 3,274 published applications in this corpus.
Search patents in B01J- Granted patents
- 4,443
- Published applications
- 3,274
- Assignees
- 1,593
- Inventors
- 8,239
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 69 | 0 |
| 1977 | 71 | 0 |
| 1978 | 64 | 0 |
| 1979 | 41 | 0 |
| 1980 | 54 | 0 |
| 1981 | 91 | 0 |
| 1982 | 81 | 0 |
| 1983 | 80 | 0 |
| 1984 | 83 | 0 |
| 1985 | 62 | 0 |
| 1986 | 72 | 0 |
| 1987 | 76 | 0 |
| 1988 | 67 | 0 |
| 1989 | 88 | 0 |
| 1990 | 75 | 0 |
| 1991 | 71 | 0 |
| 1992 | 73 | 0 |
| 1993 | 70 | 0 |
| 1994 | 83 | 0 |
| 1995 | 68 | 0 |
| 1996 | 49 | 0 |
| 1997 | 60 | 0 |
| 1998 | 64 | 0 |
| 1999 | 83 | 0 |
| 2000 | 72 | 0 |
| 2001 | 79 | 28 |
| 2002 | 81 | 63 |
| 2003 | 62 | 91 |
| 2004 | 70 | 132 |
| 2005 | 77 | 94 |
| 2006 | 76 | 110 |
| 2007 | 54 | 110 |
| 2008 | 60 | 82 |
| 2009 | 88 | 131 |
| 2010 | 95 | 164 |
| 2011 | 116 | 146 |
| 2012 | 94 | 128 |
| 2013 | 110 | 136 |
| 2014 | 124 | 140 |
| 2015 | 125 | 139 |
| 2016 | 138 | 159 |
| 2017 | 132 | 124 |
| 2018 | 122 | 170 |
| 2019 | 148 | 144 |
| 2020 | 158 | 194 |
| 2021 | 157 | 160 |
| 2022 | 127 | 147 |
| 2023 | 110 | 146 |
| 2024 | 117 | 141 |
| 2025 | 95 | 111 |
| 2026 | 61 | 84 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 8/24According to "fluidised-bed" technique2,513
- B01J 8/1818Feeding of the fluidising gas1,055
- B01J 8/20With liquid as a fluidising medium973
- B01J 8/1836Heating and cooling the reactor610
- B01J 8/1809Controlling processes509
- B01J 8/1872Details of the fluidised bed reactor430
- B01J 8/1845With particles moving upwards while fluidised337
- B01J 8/1881With particles moving downwards while fluidised84
Recent patents
- Systems and methods for producing olefins6 Oct 2026US 12,753,132 B2Dow Global Technologies LLC
- Downflow lipid conversion with upflow catalyst regeneration6 Oct 2026US 12,753,348 B2Chevron U.S.A.Inc.
- Repurposing fluidized catalytic cracking (FCC) systems to generate renewable fuel intermediate compositions6 Oct 2026US 12,753,350 B2Chevron U.S.A.Inc.
- Upgrading bio-waste in FCC29 Sep 2026US 12,747,397 B2ExxonMobil Technology and Engineering Company
- Supported riser apparatuses22 Sep 2026US 12,741,260 B2Dow Global Technologies LLC
- Hydrogen production device8 Oct 2026US 2026/0307034 A1Mitsubishi Heavy Industries, Ltd.
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons8 Oct 2026US 2026/0308462 A1Chevron U.S.A.Inc.
- Continuous fluidized-bed, flash joule heating reactor and method for halogenation of metal-containing feeds1 Oct 2026US 2026/0295549 A1Flash Metals USA Inc.
- Gas phase deposition reactor and method for producing polycrystalline silicon1 Oct 2026US 2026/0296900 A1Wacker Chemie AG
- Process of starting up a gas phase olefin polymerization reaction1 Oct 2026US 2026/0297219 A1Basell Polyolefine GmbH
Most cited
By later US patents
- Method for fluidized bed polymerization848US 4,588,790 AUnion Carbide Corporation · 1986
- Fluidized bed reaction systems522US 4,543,399 AUnion Carbide Corporation · 1985
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004
- High power ultrasonic reactor for sonochemical applications392US 7,157,058 B2Nano-Size Ltd. · 2007
- Process for polymerizing monomers in fluidized beds327US 5,405,922 AExxon Chemical Patents Inc. · 1995