B01F 33/406
In receptacles with gas supply only at the bottom
Official title: {in receptacles with gas supply only at the bottom (B01F33/405 takes precedence)}
B01F33/406 (In receptacles with gas supply only at the bottom) appears on 138 US grants and 146 published applications in this corpus.
Search patents in B01F- Granted patents
- 138
- Published applications
- 146
- Assignees
- 111
- Inventors
- 308
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 3 |
| 2002 | 3 | 3 |
| 2003 | 4 | 5 |
| 2004 | 9 | 8 |
| 2005 | 3 | 4 |
| 2006 | 2 | 10 |
| 2007 | 7 | 5 |
| 2008 | 2 | 4 |
| 2009 | 1 | 8 |
| 2010 | 8 | 6 |
| 2011 | 2 | 5 |
| 2012 | 3 | 4 |
| 2013 | 4 | 3 |
| 2014 | 2 | 5 |
| 2015 | 6 | 3 |
| 2016 | 6 | 8 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 8 | 12 |
| 2020 | 5 | 12 |
| 2021 | 6 | 9 |
| 2022 | 7 | 6 |
| 2023 | 4 | 8 |
| 2024 | 3 | 2 |
| 2025 | 5 | 4 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Self-cleaning homogeneous mixer-bleeder system8 Sep 2026US 12,729,355 B2Talleres Ruiz, S.A.
- Mixing device for producing a powder mixture14 Jul 2026US 12,678,756 B2EOS GmbH Electro Optical Systems
- Slurry storing and mixing device2 Jun 2026US 12,643,059 B2Proterial, Ltd.
- Reaction vessel and automatic analyzing device10 Mar 2026US 12,569,850 B2Canon Medical Systems Corporation
- Flexible tank with a mixing member21 Oct 2025US 12,448,205 B2Trans Ocean Bulk Logistics Limited
- Tank design for cement and cement-contaminated wastes prior to subterranean injection26 Feb 2026US 2026/0054233 A1Advantek Waste Management Services, LLC
- Optimized hairy roots bioreactor29 May 2025US 2025/0171726 A1Samabriva
- Method for Aerating Manure Pits using Tubes with Emitters8 May 2025US 2025/0143204 A1Grimm's Gardens, L.L.C.
- Multiple Submergence Depth Diffused Air System and Methods of Diffusing Air1 May 2025US 2025/0135410 A1Red Valve Company, Inc.
- Adjustable gas siphon for mixing densified solids in water systems1 May 2025US 2025/0135417 A1Hampton Roads Sanitation District
Most cited
By later US patents
- Method and system for producing complex-shape objects271US 6,046,426 ASandia Corporation · 2000
- Cyclic aeration system for submerged membrane modules132US 6,245,239 B1Zenon Environmental Inc. · 2001
- Cyclic aeration system for submerged membrane modules109US 6,550,747 B2Zenon Environmental Inc. · 2003
- Cyclic aeration system for submerged membrane modules95US 6,706,189 B2Zenon Environmental Inc. · 2004
- Method of maintaining clean vertical skeins of hollow fiber membranes and system therefor91US 6,319,411 B1Zenon Environmental Inc. · 2001