B01D 2311/14
Pressure control
B01D2311/14 (Pressure control) appears on 270 US grants and 456 published applications in this corpus.
Search patents in B01D- Granted patents
- 270
- Published applications
- 456
- Assignees
- 258
- Inventors
- 942
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 5 |
| 2006 | 0 | 0 |
| 2007 | 2 | 6 |
| 2008 | 3 | 11 |
| 2009 | 0 | 12 |
| 2010 | 5 | 7 |
| 2011 | 5 | 25 |
| 2012 | 6 | 13 |
| 2013 | 2 | 13 |
| 2014 | 6 | 18 |
| 2015 | 8 | 19 |
| 2016 | 12 | 17 |
| 2017 | 18 | 31 |
| 2018 | 18 | 28 |
| 2019 | 25 | 26 |
| 2020 | 14 | 39 |
| 2021 | 30 | 32 |
| 2022 | 23 | 41 |
| 2023 | 19 | 35 |
| 2024 | 21 | 25 |
| 2025 | 31 | 28 |
| 2026 | 20 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separation of alcohol using a membrane15 Sep 2026US 12,734,482 B2Altr Fltr Inc.
- System and method for more complete removal of separated blood components from a separator18 Aug 2026US 12,708,875 B2Fenwal, Inc.
- Method for operating separation membrane module, computer-readable recording medium having program recorded thereon, and water production system18 Aug 2026US 12,708,878 B2Toray Industries, Inc.
- Composite semipermeable membrane, spiral membrane element, water treatment system, and water treatment method18 Aug 2026US 12,708,880 B2Nitto Denko Corporation
- Method for purifying liquid and system for the implementation thereof11 Aug 2026US 12,702,952 B2Electrophor, Inc.
- Method of regenerating organic solvent, organic solvent regenerator, and substrate processing system27 Aug 2026US 2026/0249246 A1SCREEN Holdings Co., Ltd.
- Organic solvent regenerator, substrate processing system, and method of regenerating organic solvent27 Aug 2026US 2026/0250222 A1SCREEN Holdings Co., Ltd.
- System and method for polymer purification using coil coalescer13 Aug 2026US 2026/0233125 A1PureCycle Technologies, Inc.
- Energy-free and spontaneous reverse osmosis device6 Aug 2026US 2026/0225921 A1Xi'an Xishizun Electromechanical Technology Co., Ltd
- Control device, control method, and control program6 Aug 2026US 2026/0225933 A1Yokogawa Electric Corporation
Most cited
By later US patents
- Multi-phase selective mass transfer through a membrane41US 8,500,960 B2Dais Analytic Corporation · 2013
- Reverse-osmosis apparatus for producing fresh water from seawater35US 4,452,696 A1984
- Range separation devices and processes33US 7,316,780 B1Pall Corporation · 2008
- Oxygen humidifier33US 7,331,342 B22008
- Devices and methods for integrated continuous manufacturing of biological molecules23US 9,133,433 B2Bayer HealthCare LLC · 2015