B01D 3/007
Energy recuperation
Official title: {Energy recuperation; Heat pumps}
B01D3/007 (Energy recuperation) appears on 573 US grants and 608 published applications in this corpus.
Search patents in B01D- Granted patents
- 573
- Published applications
- 608
- Assignees
- 340
- Inventors
- 1,151
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 12 | 0 |
| 1983 | 6 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 5 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 8 |
| 2005 | 3 | 6 |
| 2006 | 2 | 4 |
| 2007 | 2 | 3 |
| 2008 | 7 | 7 |
| 2009 | 1 | 8 |
| 2010 | 3 | 8 |
| 2011 | 6 | 8 |
| 2012 | 10 | 20 |
| 2013 | 12 | 25 |
| 2014 | 16 | 37 |
| 2015 | 13 | 30 |
| 2016 | 25 | 27 |
| 2017 | 32 | 52 |
| 2018 | 34 | 38 |
| 2019 | 43 | 45 |
| 2020 | 53 | 49 |
| 2021 | 41 | 38 |
| 2022 | 29 | 37 |
| 2023 | 33 | 40 |
| 2024 | 36 | 49 |
| 2025 | 29 | 33 |
| 2026 | 24 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heat integration via heat pump on bottom dividing wall column6 Oct 2026US 12,752,216 B2Sulzer Management AG
- Resonant thermal oscillator to improve output of a thermo-fluidic system22 Sep 2026US 12,741,232 B2William Marsh Rice University
- VE enrichment system22 Sep 2026US 12,741,233 B2Jj-Lurgi Engineering Equipment (Shanghai) Co. Ltd
- Distillation using mechanical advantage and a single fluid15 Sep 2026US 12,735,332 B1
- Water treatment plant1 Sep 2026US 12,722,101 B2
- Systems, Devices, and Methods for Electrical Generation from Vacuum Distillation1 Oct 2026US 2026/0295457 A1American Water and Energy LLC
- High-temperature internal cascade heat pumps for industrial manufacturing applications especially distillations1 Oct 2026US 2026/0295458 A1
- Application of a bottom divided wall column (bdwc) with and without vapor recompression (vrc) to separate aromatic rich streams from the pyrolysis gasoline hydrogenation reactor1 Oct 2026US 2026/0297434 A1Lummus Technology Inc.
- Process and system for dehydrating a product stream in ethanol production10 Sep 2026US 2026/0263961 A1Whitefox Technologies Limited
- Simplified ethylene oxide purification methods10 Sep 2026US 2026/0265210 A1Dow Global Technologies LLC
Most cited
By later US patents
- Distillation process for ethanol209US 5,124,004 ATrustees of Dartmouth College · 1992
- Distillation systems and methods123US 4,626,321 ATrustees of Dartmouth College · 1986
- Distillation process for ethanol122US 4,961,826 ATrustees of Dartmouth College · 1990
- Fractionation process with power generation by depressurizing the overhead vapor stream95US 4,471,619 AUop LLC · 1984
- Vapor compression distillation system81US 4,539,076 A1985