B01D 2313/502
Concentrate storage tanks
B01D2313/502 (Concentrate storage tanks) appears on 49 US grants and 60 published applications in this corpus.
Search patents in B01D- Granted patents
- 49
- Published applications
- 60
- Assignees
- 39
- Inventors
- 125
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 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 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 1 | 0 |
| 2013 | 0 | 4 |
| 2014 | 2 | 0 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 2 | 4 |
| 2018 | 2 | 7 |
| 2019 | 3 | 5 |
| 2020 | 3 | 6 |
| 2021 | 3 | 5 |
| 2022 | 4 | 4 |
| 2023 | 5 | 1 |
| 2024 | 4 | 9 |
| 2025 | 3 | 3 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Concentration apparatus and concentration method1 Sep 2026US 12,722,120 B2Yokogawa Electric Corporation
- Systems and methods for harnessing thermal gradient energy18 Aug 2026US 12,712,192 B2
- Gas separation membrane operation method27 Jan 2026US 12,533,629 B2Lotte Chemical Corporation
- Salinity gradient grade-scale energy storage method and apparatus18 Nov 2025US 12,472,468 B2Purdue Research Foundation
- Reverse electrodialysis or pressure-retarded osmosis cell with heat pump29 Jul 2025US 12,374,711 B2
- Organic solvent regenerator, substrate processing system, and method of regenerating organic solvent27 Aug 2026US 2026/0250222 A1SCREEN Holdings Co., Ltd.
- System for energy storage by fluid compression and concentration difference in a liquid solution30 Apr 2026US 2026/0117735 A1
- Salinity gradient grade-scale energy storage method and apparatus26 Feb 2026US 2026/0054222 A1Purdue Research Foundation
- Systems and methods for harnessing thermal gradient energy15 Jan 2026US 2026/0018642 A1
- Reverse Electrodialysis or Pressure-Retarded Osmosis Cell and Methods of Use Thereof16 Oct 2025US 2025/0323303 A1
Most cited
By later US patents
- Combined purified water dispensing device and reject water control device63US 4,585,554 A1986
- Reverse osmosis assembly including an operating valve56US 4,657,674 A1987
- Method and apparatus for purifying and dispensing water50US 4,528,093 AWater Marketers, Inc. · 1985
- Separation of water from hydrocarbons and halogenated hydrocarbons39US 4,857,081 ASeparation Dynamics, Inc. · 1989
- Reverse osmosis assembly operating valve35US 4,830,744 A1989