B01L 5/04
Gas washing apparatus
Official title: Gas washing apparatus, e.g. by bubbling
B01L5/04 (Gas washing apparatus) appears on 11 US grants and 7 published applications in this corpus.
Search patents in B01L- Granted patents
- 11
- Published applications
- 7
- Assignees
- 8
- Inventors
- 20
- Latest grant
- 13 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 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 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 3 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- System and method for purifying and preparing high-purity vanadium pentoxide powder13 Nov 2018US 10,125,024 B2Beijing Zhongkaihongde Technology Co., Ltd
- System and method for producing high-purity vanadium pentoxide powder16 Oct 2018US 10,099,939 B2Beijing Zhongkaihong De Technology Co., Ltd
- Laboratory apparatus20 Feb 2018US 9,895,641 B2
- Laboratory apparatus31 May 2016US 9,352,260 B2
- Laboratory apparatus10 Mar 2015US 8,973,585 B2
- System and method for purifying and preparing high-purity vanadium pentoxide powder11 Jan 2018US 2018/0009673 A1Beijing Zhongkaihongde Technology Co., Ltd
- System and Method for Producing High-Purity Vanadium Pentoxide Powder11 Jan 2018US 2018/0009675 A1Beijing Zhongkaihongde Technology Co., Ltd
- Laboratory Apparatus7 May 2015US 2015/0122270 A1
- Laboratory Apparatus26 Sep 2013US 2013/0247767 A1
- Laboratory Apparatus2 May 2013US 2013/0104738 A1
Most cited
By later US patents
- Laboratory apparatus for separating substances from gas samples12US 5,154,891 A1992
- Laboratory apparatus12US 8,973,585 B22015
- Laboratory apparatus3US 9,895,641 B22018
- Gas detector and method for refrigeration systems2US 4,958,503 A1990
- Vapor generator safety release device2US 8,191,398 B1The United States of America as represented by the Secretary of the Army · 2012