B01F 23/231283
Having elements to protect the parts of the diffusers
Official title: {having elements to protect the parts of the diffusers, e.g. from clogging when not in use}
B01F23/231283 (Having elements to protect the parts of the diffusers) appears on 7 US grants and 14 published applications in this corpus.
Search patents in B01F- Granted patents
- 7
- Published applications
- 14
- Assignees
- 8
- Inventors
- 31
- Latest grant
- 16 Jul 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 7 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 2 |
| 2017 | 2 | 0 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Aerator device and UV protecting cover member therefor16 Jul 2019US 10,351,322 B2Aquaconsult Anlagenbau GmbH
- Carbonation tube2 Jan 2018US 9,854,935 B2Sodastream Industries Ltd.
- Aeration nozzle, and blockage removal method for said aeration nozzle15 Aug 2017US 9,731,252 B2Seiwa Company, Limited
- Air diffusion device14 Feb 2017US 9,567,246 B2Ant21 Co., Ltd
- Method and apparatus for the treatment of water with a gas or nutrient infused liquid11 Oct 2016US 9,463,991 B2
- Sparger assemblies for a bioprocessing system28 Jul 2022US 2022/0234012 A1Global Life Sciences Solutions USA LLC
- Aerator device and uv protecting cover member therefor14 Jul 2016US 2016/0199793 A1Aquaconsult Anlagenbau GmbH
- Carbonation tube31 Mar 2016US 2016/0088973 A1Sodastream Industries Ltd.
- Air diffusion device3 Sep 2015US 2015/0246835 A1Ant21 Co., Ltd
- Method and Apparatus for the Treatment of Water with a Gas or Nutrient Infused Liquid6 Aug 2015US 2015/0218023 A1
Most cited
By later US patents
- Carbonation tube31US 9,854,935 B2Sodastream Industries Ltd. · 2018
- Gas diffuser with indefinite life and mixed bubble size capacity15US 4,557,879 AWilfley Weber, Inc. · 1985
- Air diffusion device3US 9,567,246 B2Ant21 Co., Ltd · 2017
- Aeration nozzle, and blockage removal method for said aeration nozzle2US 9,731,252 B2Seiwa Company, Limited · 2017
- Method and apparatus to keep an aerator full of air1US 8,876,089 B2Zenon Technology Partnership · 2014