B01D 11/0453
With narrow passages limited by plates, walls
Official title: {with narrow passages limited by plates, walls, e.g. helically coiled tubes (B01D11/0461 takes precedence)}
B01D11/0453 (With narrow passages limited by plates, walls) appears on 49 US grants and 36 published applications in this corpus.
Search patents in B01D- Granted patents
- 49
- Published applications
- 36
- Assignees
- 34
- Inventors
- 98
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 3 | 2 |
| 2011 | 1 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 4 |
| 2015 | 2 | 2 |
| 2016 | 4 | 3 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 4 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 4 |
| 2023 | 0 | 1 |
| 2024 | 2 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods for the separation and/or purification of metals9 Dec 2025US 12,492,448 B2Johnson Matthey Public Limited Company
- Liquid-liquid extractor and battery comprising such extractors25 Jun 2024US 12,017,153 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- System and method for liquid-organic particle separation13 Feb 2024US 11,898,222 B2Freeport Minerals Corporation
- System and method for liquid-organic particle separation14 Jun 2022US 11,359,257 B2Freeport Minerals Corporation
- Multi-stage contacting process and apparatus24 May 2022US 11,339,334 B2Merichem Company
- Methods for the separation and/or purification of metals9 Apr 2026US 2026/0098320 A1Johnson Matthey Public Limited Company
- Methods for the separation and/or purification of metals8 Jun 2023US 2023/0175097 A1Johnson Matthey Public Limited Company
- Liquid-Liquid Type Multistage Apparatus and Method of Producing Specific Substances Using It20 Oct 2022US 2022/0331751 A1Japan Atomic Energy Agency
- System and method for liquid-organic particle separation15 Sep 2022US 2022/0290270 A1Freeport Minerals Corporation
- Extraction system7 Apr 2022US 2022/0105446 A1Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Most cited
By later US patents
- Liquid-spraying system60US 4,749,130 A1988
- Mass transfer apparatus47US 3,992,156 AMerichem Company · 1976
- Liquid-liquid mass transfer apparatus46US 3,977,829 AMerichem Company · 1976
- Method of, and apparatus for, effecting liquid-liquid contact38US 4,391,711 ADavy McKee (Minerals & Metals) Limited · 1983
- Parallel plate extractor system and method for using same37US 4,747,948 A1988