B01D 15/1842
Characterised by apparatus features
Official title: {characterised by apparatus features}
B01D15/1842 (Characterised by apparatus features) appears on 148 US grants and 123 published applications in this corpus.
Search patents in B01D- Granted patents
- 148
- Published applications
- 123
- Assignees
- 64
- Inventors
- 267
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 2 |
| 2003 | 4 | 5 |
| 2004 | 2 | 2 |
| 2005 | 3 | 3 |
| 2006 | 4 | 1 |
| 2007 | 1 | 2 |
| 2008 | 3 | 12 |
| 2009 | 6 | 7 |
| 2010 | 6 | 5 |
| 2011 | 2 | 7 |
| 2012 | 4 | 3 |
| 2013 | 5 | 3 |
| 2014 | 9 | 8 |
| 2015 | 4 | 2 |
| 2016 | 5 | 7 |
| 2017 | 1 | 5 |
| 2018 | 4 | 4 |
| 2019 | 8 | 3 |
| 2020 | 2 | 7 |
| 2021 | 5 | 4 |
| 2022 | 3 | 5 |
| 2023 | 7 | 11 |
| 2024 | 6 | 4 |
| 2025 | 6 | 9 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Concept for collection and distribution channels for a simulated moving bed separation process using N-columns in series4 Nov 2025US 12,458,907 B2Ifp Energies Nouvelles
- Simulated moving-bed type chromatographic separation method and simulated moving-bed type chromatographic separation system19 Aug 2025US 12,390,746 B2Organo Corporation
- Valve switching system for selectively interconnecting components of a bioprocess installation27 May 2025US 12,311,287 B2Sartorius Stedim Biotech GmbH
- Valve switching system for selectively interconnecting components of a bioprocess installation20 May 2025US 12,306,146 B2Sartorius Stedim North America Inc.
- High-flow fluid valve block1 Apr 2025US 12,264,756 B2Tosoh Bioscience LLC
- Method and device for simulated moving bed extraction by lithium adsorption11 Jun 2026US 2026/0158416 A1Ifp Energies Nouvelles
- Differential separation process with controlled parameters relevant to solid and liquid phase11 Dec 2025US 2025/0375718 A1
- Continuous fixed bed chromatography, adsorption, and ion exchange system20 Nov 2025US 2025/0352925 A1Amalgamated Research, Inc.
- Hybrid thermal - chromatographic system for simultaneous mineral purification and desalination of saline waters6 Nov 2025US 2025/0339789 A1Alliance for Sustainable Energy, LLC
- Parallel Separation and Washing in Size Exclusion Chromatography Separation or in Desalting of a Target from a Sample23 Oct 2025US 2025/0325922 A1Cytiva Sweden AB
Most cited
By later US patents
- Absorption apparatus including rotary valve101US 4,705,627 AToray Industries, Inc. · 1987
- Process and device for separation with variable-length chromatographic97US 6,413,419 B1Institut Francais du Petrole · 2002
- Continuous process and apparatus for chromatographic separation of a mixture of at least three constituents into three purified effluents using two solvents55US 5,093,004 AInstitut Francais du Petrole · 1992
- Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures55US 5,114,590 AInstitut Francais du Petrole · 1992
- Liquid transfer manifold system for maintaining plug flow48US 4,999,102 AThe Amalgamated Sugar Company · 1991