B01F 23/23126
Characterised by the shape of the diffuser element
Official title: {characterised by the shape of the diffuser element}
B01F23/23126 (Characterised by the shape of the diffuser element) appears on 567 US grants and 460 published applications in this corpus.
Search patents in B01F- Granted patents
- 567
- Published applications
- 460
- Assignees
- 329
- Inventors
- 1,010
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 6 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 17 | 0 |
| 1991 | 14 | 0 |
| 1992 | 14 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 12 | 0 |
| 2000 | 12 | 0 |
| 2001 | 20 | 6 |
| 2002 | 17 | 14 |
| 2003 | 8 | 13 |
| 2004 | 7 | 6 |
| 2005 | 9 | 13 |
| 2006 | 10 | 7 |
| 2007 | 6 | 11 |
| 2008 | 4 | 9 |
| 2009 | 7 | 13 |
| 2010 | 11 | 11 |
| 2011 | 11 | 28 |
| 2012 | 10 | 21 |
| 2013 | 23 | 20 |
| 2014 | 18 | 18 |
| 2015 | 8 | 22 |
| 2016 | 21 | 26 |
| 2017 | 23 | 30 |
| 2018 | 15 | 21 |
| 2019 | 17 | 29 |
| 2020 | 27 | 35 |
| 2021 | 22 | 21 |
| 2022 | 16 | 19 |
| 2023 | 20 | 20 |
| 2024 | 9 | 18 |
| 2025 | 18 | 17 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01F 23/231265Being tubes, tubular elements, cylindrical elements or set of tubes321
- B01F 23/231262Having disc shape121
- B01F 23/231264Being in the form of plates, flat beams, flat membranes or films87
- B01F 23/231266Being in the form of rings or annular elements48
- B01F 23/231261Having a box- or block-shape, being in the form of aeration stones31
- B01F 23/231263Having dome-, cap- or inversed cone-shape28
- B01F 23/231269Being spirally wound, coiled tubes or spirally wound, coiled and joined bands14
- B01F 23/231268Being helically wound, coiled and joined bands or wires7
All 10 subgroupsShow fewer
Recent patents
- Apparatus and method for CO2 microbubble flooding15 Sep 2026US 12,734,490 B2Dalian University of Technology
- Liquid control apparatus and related methods18 Aug 2026US 12,709,877 B2Delta Faucet Company
- Single use flexible sparger19 May 2026US 12,629,641 B2EMD Millipore Corporation
- Exhaust purification apparatus5 May 2026US 12,618,352 B2Toyota Jidosha Kabushiki Kaisha
- Flow path member for generating nano-bubbles, and integrated flow path unit and nano-bubble generator using same28 Apr 2026US 12,611,636 B2Fawoo Nanotech Co., Ltd.
- Material preparation systems and related devices and methods of preparing cementitious materials27 Aug 2026US 2026/0250209 A1Saudi Arabian Oil Company
- Device for transport and treatment of liquid20 Aug 2026US 2026/0241347 A1Searas AS
- Internal combustion engine13 Aug 2026US 2026/0235095 A1
- Impeller and Sparger Assemblies for a Bioprocessing System23 Jul 2026US 2026/0208127 A1Global Life Sciences Solutions USA LLC
- Gas capture surfaces for enhanced absorption and/or reaction and related systems and methods25 Jun 2026US 2026/0175181 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Cyclic aeration system for submerged membrane modules132US 6,245,239 B1Zenon Environmental Inc. · 2001
- Membrane separator assembly and method of cleaning the assembly utilizing gas diffuser underneath the assembly110US 6,280,626 B1Mitshubishi Rayon Engineering Co., Ltd. · 2001
- Cyclic aeration system for submerged membrane modules109US 6,550,747 B2Zenon Environmental Inc. · 2003
- Modular shipboard membrane bioreactor system for combined wastewater streams98US 5,254,253 AZenon Environmental Inc. · 1993
- Cyclic aeration system for submerged membrane modules95US 6,706,189 B2Zenon Environmental Inc. · 2004