B01D 2311/08
Specific process operations in the concentrate stream
B01D2311/08 (Specific process operations in the concentrate stream) appears on 282 US grants and 470 published applications in this corpus.
Search patents in B01D- Granted patents
- 282
- Published applications
- 470
- Assignees
- 289
- Inventors
- 1,059
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 5 |
| 2009 | 1 | 6 |
| 2010 | 4 | 11 |
| 2011 | 3 | 17 |
| 2012 | 10 | 20 |
| 2013 | 4 | 12 |
| 2014 | 9 | 14 |
| 2015 | 11 | 20 |
| 2016 | 9 | 24 |
| 2017 | 11 | 21 |
| 2018 | 17 | 23 |
| 2019 | 27 | 24 |
| 2020 | 13 | 32 |
| 2021 | 22 | 34 |
| 2022 | 26 | 56 |
| 2023 | 22 | 35 |
| 2024 | 28 | 58 |
| 2025 | 30 | 27 |
| 2026 | 16 | 28 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Composite semipermeable membrane, spiral membrane element, water treatment system, and water treatment method18 Aug 2026US 12,708,880 B2Nitto Denko Corporation
- Method for efficiently extracting and separating high-purity tetrodotoxin from pufferfish viscera18 Aug 2026US 12,709,618 B2Zhongyang Biotechnology (Shanghai) Co., LTD.
- Membrane-based separation processes enhanced with an absorption device23 Jun 2026US 12,662,437 B2ExxonMobil Chemical Patents Inc.
- Device and method for removing silicate from reverse osmosis concentrate by induced crystallization3 Sep 2026US 2026/0257147 A1Greentech Environment Co., Ltd.
- Method for Increasing Reverse Osmosis Recovery for High Silica Waters27 Aug 2026US 2026/0250161 A1Veolia Water Solutions & Technologies Support
- Potato protein extraction apparatus and method27 Aug 2026US 2026/0250314 A1Root Extracts Limited
- Apparatus and process for recovery of a valuable material13 Aug 2026US 2026/0233129 A1Evonik Operations GmbH
- Hydrogen production from wastewater13 Aug 2026US 2026/0234030 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Peritoneal dialysis system using reverse osmosis purification device260US 5,498,338 AAbbott Laboratories · 1996
- Distillation method114US 7,744,727 B22S-Sophisticated Systems Limited · 2010
- Medical drug formulation and delivery system and reverse osmosis purification device88US 5,352,364 AAbbott Laboratories · 1994
- Liquid waste processing system67US 4,105,556 ACombustion Engineering, Inc. · 1978
- Water purification using reverse osmosis device for formulation of medical solution65US 5,951,863 AAbbott Laboratories · 1999