B01D 2323/081
Heating
B01D2323/081 (Heating) appears on 609 US grants and 612 published applications in this corpus.
Search patents in B01D- Granted patents
- 609
- Published applications
- 612
- Assignees
- 439
- Inventors
- 1,988
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 18 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 16 | 0 |
| 1998 | 18 | 0 |
| 1999 | 19 | 0 |
| 2000 | 17 | 0 |
| 2001 | 22 | 4 |
| 2002 | 9 | 11 |
| 2003 | 12 | 14 |
| 2004 | 7 | 19 |
| 2005 | 11 | 16 |
| 2006 | 9 | 18 |
| 2007 | 11 | 20 |
| 2008 | 12 | 10 |
| 2009 | 8 | 24 |
| 2010 | 9 | 32 |
| 2011 | 21 | 27 |
| 2012 | 21 | 19 |
| 2013 | 19 | 23 |
| 2014 | 16 | 15 |
| 2015 | 18 | 26 |
| 2016 | 16 | 25 |
| 2017 | 16 | 25 |
| 2018 | 16 | 27 |
| 2019 | 18 | 21 |
| 2020 | 19 | 27 |
| 2021 | 13 | 23 |
| 2022 | 20 | 21 |
| 2023 | 12 | 47 |
| 2024 | 28 | 50 |
| 2025 | 27 | 39 |
| 2026 | 16 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon molecular sieve membranes based on oxygen-free polymeric precursors22 Sep 2026US 12,741,250 B2King Abdullah University of Science and Technology
- Method for preparing durable hydrophilic ultrafiltration membrane11 Aug 2026US 12,702,955 B2Tiangong University
- Soy proteins for preparation of gels, fibers and films7 Jul 2026US 12,673,031 B2The Regents of the University of California
- Method for preparing porous aromatic framework membranes based on inorganic salt template method7 Jul 2026US 12,673,297 B2
- High temperature-resistant composite nanofiltration membrane and preparation method thereof9 Jun 2026US 12,649,128 B2Hunan Ovay Technology Co., Ltd.
- Conductive hollow fiber membrane and preparation method thereof and membrane assembly24 Sep 2026US 2026/0284601 A1Cangzhou Institute of Tiangong University
- Substrate for liquid filter and liquid filter17 Sep 2026US 2026/0273473 A1Teijin Limited
- High-pressure reverse osmosis membrane based on pectin-assisted interfacial polymerization and preparation method therefor17 Sep 2026US 2026/0273475 A1Shandong Industrial Institute of Seawater Desalination and Multipurpose Utilization
- Separation membrane, method for manufacturing same, membrane module for at least one of deaeration and aeration, and device for at least one of deaeration and aeration17 Sep 2026US 2026/0273477 A1Toray Industries, Inc.
- Acid-resistant and alkali-resistant composite nanofiltration membrane, and preparation method therefor and use thereof17 Sep 2026US 2026/0273478 A1China Petroleum & Chemical Corporation
Most cited
By later US patents
- Hydrogen gas-extraction module and method of fabrication341US 6,152,987 AWorcester Polytechnic Institute · 2000
- Asymmetric membranes315US 4,629,563 ABrunswick Corporation · 1986
- Composite hydrogen separation element and module185US 5,498,278 ABend Research, Inc. · 1996
- Composite hydrogen separation element and module164US 5,645,626 ABend Research, Inc. · 1997
- Method of making a product with a micro or nano sized structure and product158US 7,531,120 B2Aquamarijn Holding B.V. · 2009