B01D 15/206
Packing or coating
Official title: {Packing or coating}
B01D15/206 (Packing or coating) appears on 267 US grants and 313 published applications in this corpus.
Search patents in B01D- Granted patents
- 267
- Published applications
- 313
- Assignees
- 176
- Inventors
- 667
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 6 |
| 2004 | 5 | 6 |
| 2005 | 1 | 7 |
| 2006 | 3 | 6 |
| 2007 | 5 | 13 |
| 2008 | 6 | 8 |
| 2009 | 1 | 8 |
| 2010 | 6 | 14 |
| 2011 | 7 | 12 |
| 2012 | 12 | 14 |
| 2013 | 10 | 13 |
| 2014 | 8 | 10 |
| 2015 | 7 | 10 |
| 2016 | 9 | 21 |
| 2017 | 17 | 17 |
| 2018 | 5 | 11 |
| 2019 | 12 | 28 |
| 2020 | 12 | 20 |
| 2021 | 14 | 24 |
| 2022 | 14 | 17 |
| 2023 | 14 | 14 |
| 2024 | 12 | 17 |
| 2025 | 19 | 10 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Column comprising particles6 Oct 2026US 12,752,220 B2Agilent Technologies, Inc.
- Preparation method of milk oligosaccharides and oligosaccharide powder and food prepared thereby15 Sep 2026US 12,735,512 B2Beijing Sanyuan Foods Co., Ltd.
- Biological material extraction carrier and biological material extraction method25 Aug 2026US 12,716,063 B2Seiko Epson Corporation
- Method for improving lithium yield in a direct lithium extraction process11 Aug 2026US 12,702,987 B2Aquatech International Corporation
- Chromatography column comprising an internal bracing24 Mar 2026US 12,582,925 B2Cytiva BioProcess R&D AB
- Two-in-one chromatography systems for use with small volume samples and with automated liquid handlers8 Oct 2026US 2026/0306967 A1Integrated Micro-Chromatography Systems, Inc.
- Chromatography column packing material, chromatography column, method for producing chromatography column, chromatography analysis apparatus, and analysis method17 Sep 2026US 2026/0273435 A1AQAS Corporation
- Antigen chromatography columns and methods of use thereof7 May 2026US 2026/0124557 A1Waters Technologies Corporation
- System and method of applied radial technology chromatography2 Apr 2026US 2026/0091368 A1emp Biotech GmbH
- Hydrophilic Interaction Microfluidic Chromatography22 Jan 2026US 2026/0023054 A1
Most cited
By later US patents
- Evaporative packing of capillary columns74US 5,997,746 ANew Objective, Inc. · 1999
- Evaporative packing a capillary columns73US 6,190,559 B12001
- Narrow bore micro-particulate column packing process and product61US 4,483,773 AVarian Associates, Inc. · 1984
- Passivated and stabilized porous mineral oxide supports and method for the preparation and use of same60US 5,268,097 ASepracor Inc. · 1993
- Column slurry packing compressor54US 5,169,522 AHT Chemicals, Inc. · 1992