B01D 5/0039
Recuperation of heat
Official title: {Recuperation of heat, e.g. use of heat pump(s), compression}
B01D5/0039 (Recuperation of heat) appears on 250 US grants and 213 published applications in this corpus.
Search patents in B01D- Granted patents
- 250
- Published applications
- 213
- Assignees
- 170
- Inventors
- 469
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 9 | 0 |
| 1993 | 9 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 5 | 2 |
| 2003 | 2 | 3 |
| 2004 | 5 | 2 |
| 2005 | 0 | 7 |
| 2006 | 4 | 7 |
| 2007 | 2 | 3 |
| 2008 | 4 | 12 |
| 2009 | 3 | 5 |
| 2010 | 3 | 13 |
| 2011 | 2 | 7 |
| 2012 | 4 | 9 |
| 2013 | 8 | 10 |
| 2014 | 6 | 11 |
| 2015 | 10 | 6 |
| 2016 | 11 | 9 |
| 2017 | 2 | 9 |
| 2018 | 6 | 13 |
| 2019 | 12 | 14 |
| 2020 | 19 | 17 |
| 2021 | 13 | 8 |
| 2022 | 5 | 11 |
| 2023 | 13 | 11 |
| 2024 | 9 | 12 |
| 2025 | 10 | 5 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water treatment plant1 Sep 2026US 12,722,101 B2
- Heat exchanger, method of operating a heat exchanger and process water distillation system30 Jun 2026US 12,668,508 B2KMU LOFT Cleanwater SE
- System and method for improving water quality of dehydration tower in purified terephthalic acid device23 Jun 2026US 12,661,603 B2Tianhua Institute of Chemical Machinery and Automation Co., Ltd
- Liquid separation system14 Apr 2026US 12,599,847 B2Baryon Inc.
- Gas supply system with water removal24 Feb 2026US 12,558,636 B2Oxus America, Inc.
- Apparatus for intense/rapid cooling and for removing a substance in suspension in a gaseous fluid and method thereof13 Aug 2026US 2026/0233122 A1Snf Group
- Multiple-effect multi-train desalination (memtd) device7 May 2026US 2026/0124555 A1Wga Water Global Access S.L.
- Methods and systems for direct-contact evaporation and condensation, and desalination methods and systems employing the same16 Apr 2026US 2026/0103402 A1Global Water Farms Corporation
- Water treatment and desalination9 Apr 2026US 2026/0097972 A9Sylvan Source, Inc.
- System and method for multi-functional slurry processing12 Feb 2026US 2026/0043609 A1Sedron Technologies, LLC
Most cited
By later US patents
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator136US 5,979,440 ASeQual Technologies, Inc. · 1999
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator133US 6,698,423 B1SeQual Technologies, Inc. · 2004
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator101US 6,681,764 B1SeQual Technologies, Inc. · 2004
- Methods and apparatus to generate liquid ambulatory oxygen from an oxygen concentrator91US 6,651,653 B1SeQual Technologies, Inc. · 2003
- Process and apparatus for the recovery of water from the flue gas of a combined cycle power station87US 6,449,954 B2Alstom (Switzerland) Ltd · 2002