B01J 20/2804
Sheets with a specific shape
Official title: {Sheets with a specific shape, e.g. corrugated, folded, pleated, helical}
B01J20/2804 (Sheets with a specific shape) appears on 82 US grants and 139 published applications in this corpus.
Search patents in B01J- Granted patents
- 82
- Published applications
- 139
- Assignees
- 92
- Inventors
- 334
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 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 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 3 |
| 2005 | 1 | 9 |
| 2006 | 2 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 4 |
| 2012 | 1 | 3 |
| 2013 | 2 | 5 |
| 2014 | 5 | 5 |
| 2015 | 2 | 8 |
| 2016 | 2 | 4 |
| 2017 | 4 | 5 |
| 2018 | 5 | 8 |
| 2019 | 1 | 6 |
| 2020 | 4 | 7 |
| 2021 | 8 | 12 |
| 2022 | 3 | 9 |
| 2023 | 11 | 10 |
| 2024 | 5 | 16 |
| 2025 | 15 | 8 |
| 2026 | 1 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Adsorbent aerogel membrane sheets for direct air capture of CO29 Jun 2026US 12,649,147 B2Xerox Corporation
- Assay for filtration of suspended particles in microporous membranes30 Dec 2025US 12,508,551 B2Rensselaer Polytechnic Institute
- Evaporative emission control articles including activated carbon9 Dec 2025US 12,491,490 B2BASF Mobile Emissions Catalysts LLC
- Exhaust gas treatment system for an ammonia-containing exhaust gas30 Sep 2025US 12,427,475 B2Johnson Matthey Catalysts (Germany) GMBH
- Tubular knitted geotextiles implementing hydrophobic cellulose based threads, methods of making the same, and erosion sediment and pollution control products made from the same19 Aug 2025US 12,390,789 B2Mazcon, A Kurtz Bros. Company, LLC
- Modified Metal-Organic Framework (MOF) Compositions, Process of Making and Process of Use Thereof8 Oct 2026US 2026/0307047 A1NuMat Technologies, Inc.
- Gas sorption rotor for air treatment and method for manufacturing such gas sorption rotor27 Aug 2026US 2026/0249232 A1Munters Europe Aktiebolag
- Sorbent polymer composite for improved so2 removal20 Aug 2026US 2026/0241365 A1W. L. Gore & Associates, Inc.
- Tangential flow contactor element30 Jul 2026US 2026/0216695 A1Parker-Hannifin Corporation
- Solid substrate to immobilize reactive liquid9 Jul 2026US 2026/0192278 A1ExxonMobil Technology and Engineering Company
Most cited
By later US patents
- Carbon media filter element68US 7,070,641 B1Fleetguard, Inc. · 2006
- Method of dehumidification54US 4,391,616 AToyo Boseki Kabushiki Kaisha · 1983
- Filter system50US 7,250,387 B2Gore Enterprise Holdings, Inc. · 2007
- Negatively charged membrane21US 6,783,937 B1Pall Corporation · 2004
- Negatively charged membrane20US 7,132,049 B2Pall Corporation · 2006