B01D 15/166
Fluid composition conditioning
Official title: {Fluid composition conditioning, e.g. gradient}
B01D15/166 (Fluid composition conditioning) appears on 217 US grants and 351 published applications in this corpus.
Search patents in B01D- Granted patents
- 217
- Published applications
- 351
- Assignees
- 173
- Inventors
- 755
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 7 |
| 2003 | 3 | 5 |
| 2004 | 3 | 3 |
| 2005 | 2 | 8 |
| 2006 | 5 | 11 |
| 2007 | 5 | 6 |
| 2008 | 5 | 8 |
| 2009 | 3 | 6 |
| 2010 | 5 | 9 |
| 2011 | 3 | 7 |
| 2012 | 6 | 13 |
| 2013 | 2 | 15 |
| 2014 | 6 | 9 |
| 2015 | 9 | 14 |
| 2016 | 8 | 9 |
| 2017 | 11 | 21 |
| 2018 | 6 | 8 |
| 2019 | 15 | 20 |
| 2020 | 10 | 22 |
| 2021 | 17 | 27 |
| 2022 | 11 | 21 |
| 2023 | 13 | 36 |
| 2024 | 15 | 24 |
| 2025 | 16 | 26 |
| 2026 | 11 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Formulations and processes for treating water from impacted sources25 Aug 2026US 12,714,991 B2Brown University
- Online native mass spectrometry methods for assaying viral particles11 Aug 2026US 12,704,515 B2Regeneron Pharmaceuticals, Inc.
- Mixing disk assembly for use on centrifugal platform4 Aug 2026US 12,697,565 B2Feng Chia University
- Use of neutral pH mobile phases in reversed phase chromatography of acidic peptides12 May 2026US 12,624,065 B2Waters Technologies Corporation
- Degasser with two weakly coupled spaces and/or with a restriction adjustment device31 Mar 2026US 12,589,333 B2Agilent Technologies, Inc.
- Chromatography column packing material, chromatography column, method for producing chromatography column, chromatography analysis apparatus, and analysis method17 Sep 2026US 2026/0273435 A1AQAS Corporation
- Methods and Compositions for the Enrichment of Nucleic Acid Containing AAV Capsids3 Sep 2026US 2026/0258372 A1Brammer Bio, LLC
- Lc-ms method for analyzing carbon capture solvents and their degradation products13 Aug 2026US 2026/0233123 A1Aramco Services Company
- Method for selective separation of amphoteric species30 Jul 2026US 2026/0216621 A1i3 Membrane GmbH
- Degasser with two weakly coupled spaces and/or with a restriction adjustment device9 Jul 2026US 2026/0192218 A1Agilent Technologies, Inc.
Most cited
By later US patents
- Carrier composition control for liquid chromatographic systems57US 4,128,476 ASpectra-Physics, Inc. · 1978
- Liquid chromatography apparatus54US 4,233,156 AHitachi, Ltd. · 1980
- Mixing chamber45US 4,475,821 ABruker Analytische Messtechnik GmbH · 1984
- Automated sample concentrator for trace components45US 4,500,432 AHewlett-Packard Company · 1985
- Single-pump multiple stroke proportioning for gradient elution liquid chromatography44US 4,437,812 AVarian Associates, Inc. · 1984