B01D 15/125
Pre-filtration
Official title: {Pre-filtration}
B01D15/125 (Pre-filtration) appears on 79 US grants and 115 published applications in this corpus.
Search patents in B01D- Granted patents
- 79
- Published applications
- 115
- Assignees
- 73
- Inventors
- 295
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 3 |
| 2014 | 2 | 1 |
| 2015 | 2 | 8 |
| 2016 | 2 | 10 |
| 2017 | 2 | 9 |
| 2018 | 4 | 7 |
| 2019 | 6 | 11 |
| 2020 | 6 | 6 |
| 2021 | 9 | 11 |
| 2022 | 9 | 11 |
| 2023 | 6 | 8 |
| 2024 | 5 | 10 |
| 2025 | 5 | 10 |
| 2026 | 10 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter assemblies, depth indicators, torque-limiting fittings, torque-indicating fittings, and systems incorporating the same23 Jun 2026US 12,663,403 B2Agilent Technologies, Inc.
- Process for selective adsorption and recovery of lithium from natural and synthetic brines19 May 2026US 12,630,436 B2ILiAD IP COMPANY, LLC
- Process for selective adsorption and recovery of lithium from natural and synthetic brines12 May 2026US 12,623,913 B2ILiAD IP COMPANY, LLC
- Process for selective adsorption and recovery of lithium from natural and synthetic brines12 May 2026US 12,623,914 B2ILiAD IP COMPANY, LLC
- Optimizing the operation of a chromatography system5 May 2026US 12,616,919 B2Cytiva Sweden AB
- Purification of capsular polysaccharides13 Aug 2026US 2026/0234293 A1Vaxcyte, Inc.
- Methods of reducing contaminants in protein purification23 Jul 2026US 2026/0209268 A1Eli Lilly and Company
- Filter system usable as cell culture clarification filter in protein purification11 Dec 2025US 2025/0375724 A1Sartorius Stedim Biotech GmbH
- Purifying antibodies6 Nov 2025US 2025/0340589 A1The United States of America as represented by the Secretary, Department of Health and Human Service
- Process of phytocannabinoids enrichment its formulation and use in the management of pain9 Oct 2025US 2025/0312357 A1Council of Scientific and Industrial Research
Most cited
By later US patents
- Cartridge type separation column and holder assembly for liquid chromatographs81US 4,283,280 ABrownlee Labs, Inc. · 1981
- Integral fitting and filter of an analytical chemical instrument45US 5,730,943 AOptimize Technologies, Inc. · 1998
- Integral fitting and filter of an analytical chemical instrument41US 5,525,303 AOptimize Technologies, Inc. · 1996
- Process for selective adsorption and recovery of lithium from natural and synthetic brines32US 11,365,128 B2Energysource Minerals LLC · 2022
- Prefilter system for biological systems30US 7,390,403 B2Millipore Corporation · 2008