B01F 23/231242
In the form of slits or cut-out openings
Official title: {in the form of slits or cut-out openings}
B01F23/231242 (In the form of slits or cut-out openings) appears on 40 US grants and 42 published applications in this corpus.
Search patents in B01F- Granted patents
- 40
- Published applications
- 42
- Assignees
- 23
- Inventors
- 52
- Latest grant
- 7 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 2 |
| 2002 | 0 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 2 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 1 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 5 |
| 2013 | 1 | 2 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 3 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Water treatment system with retrievable mounting frame assembly for diffusors7 Nov 2023US 11,806,680 B2Artemis Rubber Technology Inc.
- Floating, sub-surface discharge aerator9 May 2023US 11,642,633 B2Titus Wastewater Solutions Inc.
- Water treatment system with retrievable mounting frame assembly for diffusors6 Sep 2022US 11,433,361 B2
- Gas sparger for an immersed membrane11 Jan 2022US 11,219,866 B2Bl Technologies, Inc.
- Water aeration system with floating diffuser16 Nov 2021US 11,173,457 B2Linne Industries, LLC
- Water treatment system with retrievable mounting frame assembly for diffusors18 Aug 2022US 2022/0258109 A1Artemis Rubber Technology Inc.
- Floating, Sub-Surface Discharge Aerator30 Sep 2021US 2021/0299616 A1Titus Industrial Group, Inc.
- Water treatment system with retrievable mounting frame assembly for diffusors8 Apr 2021US 2021/0101121 A1
- Water aeration system with floating diffuser24 Dec 2020US 2020/0398232 A1Linne Industries, LLC
- Water aeration system with floating diffuser9 Jul 2020US 2020/0215500 A1Linne Industries, LLC
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
- Moving aerator for immersed membranes71US 6,708,957 B2Zenon Environmental Inc. · 2004
- Cyclic aeration system for submerged membrane modules69US 6,881,343 B2Zenon Environmental Inc. · 2005