B01J 20/28033
Membrane, sheet, cloth, pad, lamellar or mat
Official title: {Membrane, sheet, cloth, pad, lamellar or mat}
B01J20/28033 (Membrane, sheet, cloth, pad, lamellar or mat) appears on 1,289 US grants and 1,528 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,289
- Published applications
- 1,528
- Assignees
- 894
- Inventors
- 3,862
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 17 | 0 |
| 1995 | 18 | 0 |
| 1996 | 28 | 0 |
| 1997 | 28 | 0 |
| 1998 | 21 | 0 |
| 1999 | 24 | 0 |
| 2000 | 22 | 0 |
| 2001 | 17 | 7 |
| 2002 | 32 | 54 |
| 2003 | 40 | 59 |
| 2004 | 37 | 53 |
| 2005 | 31 | 76 |
| 2006 | 30 | 66 |
| 2007 | 32 | 50 |
| 2008 | 34 | 55 |
| 2009 | 31 | 48 |
| 2010 | 22 | 41 |
| 2011 | 31 | 41 |
| 2012 | 40 | 43 |
| 2013 | 35 | 46 |
| 2014 | 34 | 46 |
| 2015 | 33 | 59 |
| 2016 | 35 | 55 |
| 2017 | 46 | 65 |
| 2018 | 39 | 63 |
| 2019 | 50 | 62 |
| 2020 | 48 | 84 |
| 2021 | 48 | 65 |
| 2022 | 48 | 80 |
| 2023 | 57 | 98 |
| 2024 | 48 | 83 |
| 2025 | 63 | 76 |
| 2026 | 43 | 53 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- High throughput moving panel direct air capture system6 Oct 2026US 12,752,238 B2Zero Carbon Systems, Inc.
- Humidity controlling material22 Sep 2026US 12,741,264 B2Sharp Kabushiki Kaisha
- Ammonium-functionalized polysulfone copolymers for moisture-swing CO2 capture22 Sep 2026US 12,741,265 B2Arizona Board of Regents on behalf of Arizona State University
- Adsorbent, method for manufacturing the same, adsorption sheet, artificial dialysis membrane, and artificial dialyzer15 Sep 2026US 12,734,484 B2Murata Manufacturing Co., Ltd.
- Oil and fuel collector25 Aug 2026US 12,714,951 B2Manvers Engineering Limited
- Polysiloxane, method for its production and deodorant comprising it8 Oct 2026US 2026/0306689 A1Sagami Chemical Research Institute
- Sorbent for lithium extraction from brines8 Oct 2026US 2026/0307042 A1International Battery Metals, Ltd.
- Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof8 Oct 2026US 2026/0307047 A1NuMat Technologies, Inc.
- Ethylene oxide abatement systems1 Oct 2026US 2026/0295520 A1Boston Scientific Scimed, Inc.
- Gas adsorption sheet for secondary battery with cover film24 Sep 2026US 2026/0284568 A1Nitto Denko Corporation
Most cited
By later US patents
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Desiccant entrained polymer287US 5,911,937 ACapitol Specialty Plastics, Inc. · 1999
- Ultra-thin absorbing sheet body, disposable absorbent article provided with ultra-thin absorbing sheet body and production device for ultra-thin absorbing sheet body197US 6,972,011 B2Toyo Eizai Kabushiki Kaisha · 2005
- Fibrous structures containing immobilized particulate matter181US 5,486,410 AHoechst Celanese Corporation · 1996
- Desiccant entrained polymer176US 7,005,459 B2CSP Technologies, Inc. · 2006