B01D 61/06
Energy recovery
B01D61/06 (Energy recovery) appears on 276 US grants and 317 published applications in this corpus.
Search patents in B01D- Granted patents
- 276
- Published applications
- 317
- Assignees
- 154
- Inventors
- 545
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 2 |
| 2002 | 7 | 2 |
| 2003 | 9 | 2 |
| 2004 | 4 | 7 |
| 2005 | 2 | 3 |
| 2006 | 2 | 11 |
| 2007 | 8 | 8 |
| 2008 | 2 | 7 |
| 2009 | 5 | 8 |
| 2010 | 4 | 7 |
| 2011 | 6 | 17 |
| 2012 | 6 | 15 |
| 2013 | 8 | 15 |
| 2014 | 6 | 17 |
| 2015 | 8 | 11 |
| 2016 | 14 | 20 |
| 2017 | 15 | 22 |
| 2018 | 24 | 17 |
| 2019 | 16 | 14 |
| 2020 | 11 | 18 |
| 2021 | 17 | 16 |
| 2022 | 13 | 26 |
| 2023 | 11 | 9 |
| 2024 | 15 | 20 |
| 2025 | 9 | 13 |
| 2026 | 11 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- One-way pressure exchange device for reverse osmosis desalination plants15 Sep 2026US 12,734,483 B2
- System for reverse osmosis and for pressure retarded osmosis8 Sep 2026US 12,728,391 B2Danfoss A/S
- Osmotic methods and systems involving energy recovery1 Sep 2026US 12,722,989 B2Gradiant Corporation
- Method for purifying liquid and system for the implementation thereof11 Aug 2026US 12,702,952 B2Electrophor, Inc.
- Reverse osmosis methods14 Jul 2026US 12,678,739 B1Ozono Polaris, S.A. de C.V.
- Hybrid Energy Recovery System24 Sep 2026US 2026/0284597 A1Fluid Equipment Development Company, LLC
- Wastewater concentration device and concentration method23 Jul 2026US 2026/0209087 A1Kurita Water Industries Ltd.
- Simultaneous electricity generation and low-energy-intensive water desalination using a hydraulic wind turbine2 Jul 2026US 2026/0183713 A1
- Hyperfiltration system and method with pressure exchange4 Jun 2026US 2026/0152417 A1
- Direct water purification system with automatic backwash function21 May 2026US 2026/0138093 A1Fluxtek International Corp.
Most cited
By later US patents
- System and method for detecting time-bomb malware168US 9,536,091 B2FireEye, Inc. · 2017
- System and method for detecting time-bomb malware153US 10,083,302 B1FireEye, Inc. · 2018
- Reverse osmosis liquid purification apparatus137US 4,367,140 ASykes Ocean Water Ltd. · 1983
- Transportable reverse osmosis water purification unit93US 5,244,579 AZenon Environmental Inc. · 1993
- Reverse osmosis method and apparatus88US 4,187,173 A1980