B01D 24/4869
By level measuring
Official title: {by level measuring}
B01D24/4869 (By level measuring) appears on 56 US grants and 15 published applications in this corpus.
Search patents in B01D- Granted patents
- 56
- Published applications
- 15
- Assignees
- 34
- Inventors
- 65
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 2 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 4 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 4 | 2 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 2 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Filter system for removing and/or neutralizing undissolved oil, grease, and salts and/or abraded metal particles on and in emulsions containing water6 May 2025US 12,290,763 B2Newfluid GmbH
- Method for producing a pattern in or on a support10 Mar 2020US 10,583,618 B2De La Rue International Limited
- Method and apparatus for treating liquid containing impurities30 Oct 2018US 10,112,847 B2Parkson Corporation
- Method for washing a filter having at least two layers of filtering media, in particular for filtering seawater, and equipment for implementing said method29 Mar 2016US 9,295,929 B2Degremont
- Coiled continuous flow water treatment apparatus and method18 Nov 2014US 8,889,007 B2
- Method and system for determining liquid levels in sand filters and effective air scouring during backwash23 Feb 2023US 2023/0059255 A1Saudi Arabian Oil Company
- Improved filter system for removing and/or neutralizing undissolved oil, grease, and salts and/or abraded metal particles on and in emulsions containing water8 Dec 2022US 2022/0387907 A1Newfluid GmbH
- Liquid filteration system6 Jan 2022US 2022/0001306 A1
- Fluid treatment system having concentric chambers7 Oct 2021US 2021/0308604 A1Stonehouse Innovations, LLC
- A method for producing a pattern in or on a support12 Jul 2018US 2018/0194090 A1De La Rue International Limited
Most cited
By later US patents
- Computer controlled method of operating a swimming pool filtration system85US 5,804,080 A1998
- Apparatus for operating a filter arrangement78US 5,628,896 AKlingenberger GmbH · 1997
- Water filtration process and apparatus having upflow filter with buoyant filter media and downflow filter with nonbuoyant filter media70US 4,547,286 ANeptune Microfloc, Inc. · 1985
- Moving bed filters48US 5,454,959 A1995
- Apparatus for clarification of water39US 4,626,345 ALenox Institute for Research, Inc. · 1986