B01F 23/231267
Being axially stacked discs, rings or plates
Official title: {being axially stacked discs, rings or plates}
B01F23/231267 (Being axially stacked discs, rings or plates) appears on 5 US grants and 8 published applications in this corpus.
Search patents in B01F- Granted patents
- 5
- Published applications
- 8
- Assignees
- 7
- Inventors
- 36
- Latest grant
- 5 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 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 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Device and method for generating gas bubbles in a liquid5 Dec 2023US 11,833,483 B2Steffen Hartmann Recyclingtechnologien GmbH
- Gas-liquid dissolving apparatus1 Jun 2021US 11,020,715 B2Trusval Technology Co., Ltd.
- Multi-disc air diffuser16 Sep 2014US 8,833,743 B2Ant21 Co., Ltd
- Ozone treating apparatus18 Oct 2005US 6,955,758 B2Sekisui Chemical Co., Ltd.
- Aerator28 Jul 1992US 5,133,906 A
- Device and Method for Generating Gas Bubbles in a Liquid22 Apr 2021US 2021/0113976 A1akvola Technologies GmbH
- Gas-liquid dissolving apparatus22 Oct 2020US 2020/0330932 A1Trusval Technology Co., Ltd.
- Polyionic and molecular filter-diffuser3 May 2018US 2018/0117539 A1
- Apparatus and method for forming microbubbles in a mixed multi-component reactive material3 Aug 2017US 2017/0216873 A1Graco Minnesota Inc.
- Polyionic Molecular Diffuser and Filter Method12 Feb 2015US 2015/0041412 A1
Most cited
By later US patents