B01D 2313/12
Specific discharge elements
B01D2313/12 (Specific discharge elements) appears on 404 US grants and 521 published applications in this corpus.
Search patents in B01D- Granted patents
- 404
- Published applications
- 521
- Assignees
- 305
- Inventors
- 1,194
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 5 |
| 2005 | 0 | 8 |
| 2006 | 2 | 8 |
| 2007 | 5 | 7 |
| 2008 | 4 | 16 |
| 2009 | 5 | 18 |
| 2010 | 7 | 21 |
| 2011 | 11 | 15 |
| 2012 | 16 | 40 |
| 2013 | 11 | 24 |
| 2014 | 17 | 18 |
| 2015 | 16 | 25 |
| 2016 | 11 | 19 |
| 2017 | 25 | 28 |
| 2018 | 19 | 26 |
| 2019 | 19 | 30 |
| 2020 | 26 | 33 |
| 2021 | 26 | 28 |
| 2022 | 29 | 44 |
| 2023 | 29 | 26 |
| 2024 | 26 | 36 |
| 2025 | 27 | 24 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cell retention device18 Aug 2026US 12,708,876 B2Sunflower Therapeutics, PBC
- Degassing apparatus19 May 2026US 12,629,637 B2DIC Corporation
- Modular device for fixedly arranging and interconnecting individual separation units and/or function units amongst one another12 May 2026US 12,623,168 B2Sartorius Stedim Biotech GmbH
- Microfluidic device design for extraction and phase separation for organic solvent purification12 May 2026US 12,623,184 B2University of Southern California
- Tubular membrane heat exchanger12 May 2026US 12,624,897 B2Baltimore Aircoil Company, Inc.
- Filtration manifold with integrated bypass8 Oct 2026US 2026/0307010 A1Midea Group Co., Ltd.
- Cassette1 Oct 2026US 2026/0295537 A1Donaldson Company, Inc.
- Systems, devices, and methods for electrodialysis-based home-scale desalination13 Aug 2026US 2026/0234033 A1Massachusetts Institute of Technology
- Integrated pre-filter for uf/mf membrane system30 Jul 2026US 2026/0216654 A1
- Tangential flow filtration manifold assembly23 Jul 2026US 2026/0208113 A1Merck Patent GmbH
Most cited
By later US patents
- Hollow fiber filter device156US 4,876,006 AEbara Corporation · 1989
- Portable dialysis machine147US 8,597,505 B2Fresenius Medical Care Holdings, Inc. · 2013
- Fluid separation apparatus143US 4,451,369 AToyo Boseki Kabushiki Kaisha · 1984
- System for operation of multiple membrane filtration assemblies118US 6,214,231 B1Zenon Environmental Inc. · 2001
- Modular microporous filter assemblies111US 5,405,528 AMemtec Limited · 1995