B01J 8/1818
Feeding of the fluidising gas
Official title: {Feeding of the fluidising gas (B01J8/44 takes precedence)}
B01J8/1818 (Feeding of the fluidising gas) appears on 1,055 US grants and 988 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,055
- Published applications
- 988
- Assignees
- 506
- Inventors
- 2,396
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 10 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 19 | 0 |
| 1983 | 17 | 0 |
| 1984 | 20 | 0 |
| 1985 | 5 | 0 |
| 1986 | 9 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 11 | 0 |
| 1990 | 6 | 0 |
| 1991 | 9 | 0 |
| 1992 | 14 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 8 | 0 |
| 1998 | 8 | 0 |
| 1999 | 17 | 0 |
| 2000 | 20 | 0 |
| 2001 | 18 | 7 |
| 2002 | 12 | 19 |
| 2003 | 14 | 17 |
| 2004 | 15 | 21 |
| 2005 | 17 | 24 |
| 2006 | 14 | 44 |
| 2007 | 15 | 33 |
| 2008 | 19 | 24 |
| 2009 | 30 | 32 |
| 2010 | 23 | 34 |
| 2011 | 36 | 43 |
| 2012 | 24 | 32 |
| 2013 | 26 | 25 |
| 2014 | 26 | 39 |
| 2015 | 45 | 37 |
| 2016 | 39 | 50 |
| 2017 | 31 | 35 |
| 2018 | 39 | 47 |
| 2019 | 37 | 46 |
| 2020 | 64 | 93 |
| 2021 | 56 | 65 |
| 2022 | 54 | 44 |
| 2023 | 40 | 51 |
| 2024 | 33 | 46 |
| 2025 | 33 | 44 |
| 2026 | 18 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for producing olefins6 Oct 2026US 12,753,132 B2Dow Global Technologies LLC
- Upgrading bio-waste in FCC29 Sep 2026US 12,747,397 B2ExxonMobil Technology and Engineering Company
- Dual reactor system with dual catalyst regeneration for upgrading plastic derived oil to hydrocarbon intermediates25 Aug 2026US 12,716,033 B2Saudi Arabian Oil Company
- Particles with an ASTM D-5757 attrition index between 5 and 2511 Aug 2026US 12,702,969 B2Cochise Technology, LLC
- Fluidized bed reactor and method for recovering active metal of lithium secondary battery utilizing same28 Jul 2026US 12,691,429 B2SK Innovation Co., Ltd.
- Continuous fluidized-bed, flash joule heating reactor and method for halogenation of metal-containing feeds1 Oct 2026US 2026/0295549 A1Flash Metals USA Inc.
- Process of starting up a gas phase olefin polymerization reaction1 Oct 2026US 2026/0297219 A1Basell Polyolefine GmbH
- Porous fluidization device and systems related thereto24 Sep 2026US 2026/0284624 A1ExxonMobil Technology and Engineering Company
- Fluidized bed reactor for gas phase polymerization of olefins24 Sep 2026US 2026/0284625 A1Basell Polyolefine GmbH
- Apparatus and process for injecting catalysts into a counter-current downer for fluidized catalytic cracking13 Aug 2026US 2026/0234479 A1King Abdullah University of Science and Technology
Most cited
By later US patents
- Process for polymerizing monomers in fluidized beds327US 5,405,922 AExxon Chemical Patents Inc. · 1995
- Process for polymerizing monomers in fluidized beds279US 5,462,999 AExxon Chemical Patents Inc. · 1995
- Process for the gas-phase polymerization of olefins in a fluidized-bed reactor238US 5,028,670 ABP Chemicals Limited · 1991
- Polymerization process184US 5,541,270 ABP Chemicals Limited · 1996
- Gas phase polymerization process167US 5,453,471 AUnion Carbide Chemicals & Plastics Technology Corporation · 1995