B01J 20/28035
With more than one layer
Official title: {with more than one layer, e.g. laminates, separated sheets}
B01J20/28035 (With more than one layer) appears on 240 US grants and 394 published applications in this corpus.
Search patents in B01J- Granted patents
- 240
- Published applications
- 394
- Assignees
- 266
- Inventors
- 997
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 10 |
| 2003 | 3 | 7 |
| 2004 | 7 | 17 |
| 2005 | 6 | 14 |
| 2006 | 5 | 13 |
| 2007 | 6 | 12 |
| 2008 | 9 | 9 |
| 2009 | 6 | 14 |
| 2010 | 4 | 5 |
| 2011 | 7 | 13 |
| 2012 | 12 | 9 |
| 2013 | 8 | 11 |
| 2014 | 7 | 12 |
| 2015 | 9 | 16 |
| 2016 | 10 | 12 |
| 2017 | 8 | 16 |
| 2018 | 10 | 15 |
| 2019 | 11 | 16 |
| 2020 | 13 | 21 |
| 2021 | 12 | 19 |
| 2022 | 13 | 28 |
| 2023 | 15 | 38 |
| 2024 | 12 | 28 |
| 2025 | 12 | 25 |
| 2026 | 18 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adsorbent, method for manufacturing the same, adsorption sheet, artificial dialysis membrane, and artificial dialyzer15 Sep 2026US 12,734,484 B2Murata Manufacturing Co., Ltd.
- Anti-microbial filter18 Aug 2026US 12,708,690 B2Acell Industries Limited
- Devices and methods for detection of viruses from exhaled breath28 Jul 2026US 12,693,293 B2Northeastern University
- Sorbent for lithium extraction from brines21 Jul 2026US 12,685,993 B2International Battery Metals, Ltd.
- Absorbent composite, an absorbent article employing the same, and methods, systems, and apparatus for making the absorbent composite and/or article23 Jun 2026US 12,661,278 B2DSG Technology Holdings Ltd.
- Sorbent for lithium extraction from brines8 Oct 2026US 2026/0307042 A1International Battery Metals, Ltd.
- Gas adsorption sheet for secondary battery with cover film24 Sep 2026US 2026/0284568 A1Nitto Denko Corporation
- Adsorptive fabric construction with embedded adsorbent10 Sep 2026US 2026/0264048 A1NuMat Technologies, Inc.
- Absorbent article with leg gasketing system27 Aug 2026US 2026/0248661 A1The Procter & Gamble Company
- Tangential flow contactor element30 Jul 2026US 2026/0216695 A1Parker-Hannifin Corporation
Most cited
By later US patents
- Dessicant entrained polymer93US 6,080,350 ACapitol Specialty Plastics, Inc. · 2000
- Extraction articles and methods61US 6,492,183 B13M Innovative Properties Company · 2002
- Sorbent articles56US 5,468,536 AMinnesota Mining and Manufacturing Company · 1995
- Multilayered adsorbent system for gas separations by pressure swing adsorption56US 6,893,483 B2Air Products and Chemicals, Inc. · 2005
- Filters and methods of making and using the same54US 7,029,516 B2Georgia Tech Research Corporation · 2006