B01D 2325/44
Specific light transmission
B01D2325/44 (Specific light transmission) appears on 14 US grants and 24 published applications in this corpus.
Search patents in B01D- Granted patents
- 14
- Published applications
- 24
- Assignees
- 26
- Inventors
- 66
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 1 |
| 2019 | 3 | 1 |
| 2020 | 0 | 3 |
| 2021 | 1 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 5 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Transparent reusable ultrahigh molecular weight polyethylene air filter24 Feb 2026US 12,558,655 B2The Hong Kong University of Science and Technology
- Ultra-violet treatment of membranes and resulting membrane29 Oct 2024US 12,128,363 B2Solventum Intellectual Properties Company
- Method for synthesis of flexible multifunctional high-voidage ultrathin PE membranes19 Jul 2022US 11,389,772 B2The Hong Kong University of Science and Technology
- Hydrogel membrane and methods for selective retrieval of microbial targets1 Feb 2022US 11,235,330 B2Kansas State University Research Foundation
- Filter membrane27 Jul 2021US 11,071,945 B2Ibiden Co., Ltd.
- Light- and oxygen-permeable membrane and preparation method and use thereof24 Jul 2025US 2025/0235828 A1Cangzhou Institute of Tiangong University
- Dry-process membrane for filtration28 Nov 2024US 2024/0390855 A1Celgard, LLC
- Electrospun polymeric nanofiber filter material and devices22 Aug 2024US 2024/0278172 A1Liquidity Corporation
- Dry-process membrane for filtration11 Jul 2024US 2024/0226814 A1Celgard, LLC
- Transparent, gas-permeable and waterproof film, particularly for applications in the medical field2 May 2024US 2024/0139690 A1Adhex Technologies
Most cited
By later US patents
- Method of transferring nanoparticles using a microporous article having metallic nanoparticle coating27US 8,062,701 B23M Innovative Properties Company · 2011
- Triaxially oriented polymer membrane12US 5,411,805 AUniversity of Pittsburgh—Of the Commonwealth System of Higher Education · 1995
- Microporous article having metallic nanoparticle coating7US 8,834,686 B23M Innovative Properties Company · 2014
- Filtration system and use thereof5US 9,624,463 B2Charles River Laboratories, Inc. · 2017
- Microporous article having metallic nanoparticle coating2US 7,666,494 B23M Innovative Properties Company · 2010