B01F 23/23124
Consisting of flexible porous or perforated material
Official title: {consisting of flexible porous or perforated material, e.g. fabric}
B01F23/23124 (Consisting of flexible porous or perforated material) appears on 292 US grants and 278 published applications in this corpus.
Search patents in B01F- Granted patents
- 292
- Published applications
- 278
- Assignees
- 175
- Inventors
- 532
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 12 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 6 |
| 2003 | 5 | 8 |
| 2004 | 5 | 12 |
| 2005 | 7 | 12 |
| 2006 | 6 | 8 |
| 2007 | 8 | 14 |
| 2008 | 8 | 10 |
| 2009 | 4 | 18 |
| 2010 | 8 | 10 |
| 2011 | 8 | 20 |
| 2012 | 10 | 17 |
| 2013 | 12 | 7 |
| 2014 | 7 | 13 |
| 2015 | 5 | 13 |
| 2016 | 16 | 14 |
| 2017 | 13 | 16 |
| 2018 | 7 | 8 |
| 2019 | 5 | 11 |
| 2020 | 16 | 13 |
| 2021 | 7 | 11 |
| 2022 | 7 | 5 |
| 2023 | 13 | 8 |
| 2024 | 5 | 8 |
| 2025 | 6 | 5 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Resistivity adjustment device and resistivity adjustment method11 Aug 2026US 12,702,961 B2DIC Corporation
- Single use flexible sparger19 May 2026US 12,629,641 B2EMD Millipore Corporation
- Process for water treatment using immersed gas transfer membranes17 Mar 2026US 12,577,137 B2Bl Technologies, Inc.
- Tube diffuser and associated saddle6 Jan 2026US 12,515,970 B2Ssi Aeration, Inc.
- Gas distribution system for aquaculture reservoir including internal flow control device30 Dec 2025US 12,507,676 B2Canadianpond.Ca Products Ltd.
- System and method for methane elimination in septic systems and method to create carbon credits or their equivalent1 Oct 2026US 2026/0296935 A1
- Generation of nano and pico bubbles with variable gas/liquid ratios for effective interface transport and particle separation6 Aug 2026US 2026/0225047 A1Prd Tech, Inc.
- Floating apparatus for membrane biofilm reactor and process for water treatment25 Jun 2026US 2026/0176180 A1Bl Technologies, Inc.
- Gas Infusion Apparatus and Method of Making28 May 2026US 2026/0145143 A1
- Stable Carbonic Acid and Method of Making28 May 2026US 2026/0145144 A1
Most cited
By later US patents
- 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
- Gas spargers and related container systems87US 8,603,805 B2HyClone Laboratories, Inc. · 2013
- Sparger86US 5,858,283 A1999