B01D 11/0449
With stationary contacting elements
Official title: {with stationary contacting elements}
B01D11/0449 (With stationary contacting elements) appears on 53 US grants and 51 published applications in this corpus.
Search patents in B01D- Granted patents
- 53
- Published applications
- 51
- Assignees
- 41
- Inventors
- 115
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 3 | 0 |
| 2010 | 0 | 4 |
| 2011 | 0 | 2 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 4 | 2 |
| 2017 | 2 | 2 |
| 2018 | 0 | 1 |
| 2019 | 3 | 3 |
| 2020 | 4 | 4 |
| 2021 | 4 | 6 |
| 2022 | 4 | 7 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Method for removing oxygenated compounds from a Fischer-Tropsch oil having a high carbon number24 Jun 2025US 12,338,401 B2Inner Mongolia Yitai Coal-based New Materials Research Institute Co., Ltd.
- Process and system for producing biodiesel13 May 2025US 12,297,404 B2Chemtor, LP
- Polyether polyol refining method and refining apparatus26 Mar 2024US 11,938,416 B2Jiahua Chemicals (Shanghai) Ltd.
- Acoustically settled liquid-liquid sample purification system and method of use9 Jan 2024US 11,865,475 B2Life Technologies Corporation
- Purification and extraction of cannabinoids26 Sep 2023US 11,766,628 B2Chemtor, LP
- Variable perforation liquid-liquid extraction column20 Feb 2025US 2025/0058249 A1Ifp Energies Nouvelles
- Method for removing oxygenated compounds from a Fischer-Tropsch oil having a high carbon number23 May 2024US 2024/0166958 A1Inner Mongolia Yitai Coal-based New Materials Research Institute Co., Ltd.
- Containment and removal system for drag and dregs in a decanter used in the solvent extraction process16 Nov 2023US 2023/0364529 A1Consultorias Y Servicios Mineros Integrales Limitada
- Micromixing for high throughput microfluidic refining22 Jun 2023US 2023/0191280 A1Chemtor, LP
- Liquid-Liquid Type Multistage Apparatus and Method of Producing Specific Substances Using It20 Oct 2022US 2022/0331751 A1Japan Atomic Energy Agency
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
- Water extraction using a directional solvent31US 9,428,404 B2Massachusetts Institute of Technology · 2016
- Solvent extraction apparatus28US 4,258,010 AEszakmagyarorszagi Vegyimu_ vek · 1981