B01D 2313/24
Specific pressurizing or depressurizing means
B01D2313/24 (Specific pressurizing or depressurizing means) appears on 623 US grants and 869 published applications in this corpus.
Search patents in B01D- Granted patents
- 623
- Published applications
- 869
- Assignees
- 505
- Inventors
- 1,635
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 6 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 3 |
| 2006 | 2 | 8 |
| 2007 | 2 | 14 |
| 2008 | 3 | 16 |
| 2009 | 5 | 26 |
| 2010 | 8 | 25 |
| 2011 | 14 | 26 |
| 2012 | 16 | 26 |
| 2013 | 20 | 31 |
| 2014 | 17 | 28 |
| 2015 | 13 | 25 |
| 2016 | 27 | 46 |
| 2017 | 22 | 51 |
| 2018 | 31 | 45 |
| 2019 | 47 | 52 |
| 2020 | 45 | 67 |
| 2021 | 47 | 66 |
| 2022 | 52 | 81 |
| 2023 | 41 | 67 |
| 2024 | 50 | 71 |
| 2025 | 50 | 51 |
| 2026 | 32 | 39 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hybrid system and method of waste heat utilization-based photovoltaic power generation and seawater desalination6 Oct 2026US 12,752,240 B2Xi' An Jiaotong University
- One-way pressure exchange device for reverse osmosis desalination plants15 Sep 2026US 12,734,483 B2
- Membranes with controlled porosity for serial filtration8 Sep 2026US 12,728,389 B2Gradiant Corporation
- System for reverse osmosis and for pressure retarded osmosis8 Sep 2026US 12,728,391 B2Danfoss A/S
- Concentration apparatus and concentration method1 Sep 2026US 12,722,120 B2Yokogawa Electric Corporation
- Hybrid Energy Recovery System24 Sep 2026US 2026/0284597 A1Fluid Equipment Development Company, LLC
- System and Method for Desalination of Water3 Sep 2026US 2026/0257175 A1FSubsea AS
- Systems and devices for filtering biological products and methods of using the same3 Sep 2026US 2026/0257178 A1
- Deaerator3 Sep 2026US 2026/0257179 A1DIC Corporation
- Organic solvent regenerator, substrate processing system, and method of regenerating organic solvent27 Aug 2026US 2026/0250222 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- Peritoneal dialysis system using reverse osmosis purification device260US 5,498,338 AAbbott Laboratories · 1996
- Wearable ultrafiltration device185US 7,645,253 B2National Quality Care, Inc. · 2010
- Pump control apparatus for cellular filtration systems employing rotating microporous membranes161US 5,376,263 A1994
- Blood fractionation system and method147US 5,034,135 A1991
- Portable dialysis machine147US 8,597,505 B2Fresenius Medical Care Holdings, Inc. · 2013