B01D 2239/0631
Electro-spun
B01D2239/0631 (Electro-spun) appears on 133 US grants and 288 published applications in this corpus.
Search patents in B01D- Granted patents
- 133
- Published applications
- 288
- Assignees
- 139
- Inventors
- 623
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 1 | 16 |
| 2012 | 6 | 7 |
| 2013 | 4 | 8 |
| 2014 | 4 | 8 |
| 2015 | 8 | 12 |
| 2016 | 3 | 17 |
| 2017 | 4 | 9 |
| 2018 | 3 | 13 |
| 2019 | 6 | 14 |
| 2020 | 11 | 18 |
| 2021 | 13 | 25 |
| 2022 | 9 | 32 |
| 2023 | 11 | 39 |
| 2024 | 16 | 26 |
| 2025 | 21 | 19 |
| 2026 | 11 | 15 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Polyethersulfone fiber webs22 Sep 2026US 12,741,243 B2Hollingsworth & Vose Company
- Biodegradable filters11 Aug 2026US 12,702,942 B2NxtNano, LLC
- Filter media comprising a polyethersulfone-based fine fiber layer4 Aug 2026US 12,697,569 B2Hollingsworth & Vose Company
- Multifunctional filter materials30 Jun 2026US 12,667,143 B2Khalifa University of Science and Technology
- Biodegradable composite filter media for air filters and manufacturing method thereof16 Jun 2026US 12,654,118 B2Nam Yang Non-Woven Fabric Co., Ltd.
- Multifunctional filter materials8 Oct 2026US 2026/0305741 A1Khalifa University of Science and Technology
- Method for preparing a composite filter medium and the composite filter medium obtained with this method1 Oct 2026US 2026/0295484 A1Saati S.P.A.
- Air filter for high-efficiency pm2.5 capture14 May 2026US 2026/0131270 A1The Board of Trustees of the Leland Stanford Junior University
- Non-woven filter media with an acrylic & pp fiber layer and a nanofiber layer9 Apr 2026US 2026/0097340 A1Neenah Gessner GmbH
- Dual-layer gas filters and systems and methods for making the same9 Apr 2026US 2026/0097341 A1DelStar Technologies, Inc.
Most cited
By later US patents
- Web comprising fine fiber and reactive, adsorptive or absorptive particulate116US 7,655,070 B1Donaldson Company, Inc. · 2010
- Multilayered composite structure with electrospun layer34US 8,257,640 B2Zeus Industrial Products, Inc. · 2012
- Process of making a prosthetic device from electrospun fibers34US 8,262,979 B2Zeus Industrial Products, Inc. · 2012
- Enclosure ventilation filter and assembly method28US 8,979,811 B2Donaldson Company, Inc. · 2015
- Filter materials comprising a bipolar coating26US 7,070,836 B2Helsa-Automotive GmbH & Co. KG · 2006