B01D 47/14
Packed scrubbers
Official title: Packed scrubbers (packing elements B01J19/30, B01J19/32)
B01D47/14 (Packed scrubbers) appears on 119 US grants and 121 published applications in this corpus.
Search patents in B01D- Granted patents
- 119
- Published applications
- 121
- Assignees
- 115
- Inventors
- 344
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 3 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 2 | 5 |
| 2008 | 3 | 11 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 1 | 3 |
| 2013 | 5 | 6 |
| 2014 | 4 | 4 |
| 2015 | 3 | 5 |
| 2016 | 3 | 5 |
| 2017 | 5 | 7 |
| 2018 | 3 | 6 |
| 2019 | 8 | 7 |
| 2020 | 6 | 9 |
| 2021 | 9 | 13 |
| 2022 | 11 | 9 |
| 2023 | 6 | 7 |
| 2024 | 7 | 5 |
| 2025 | 4 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for washing and purification with low-temperature methanol16 Jun 2026US 12,655,022 B2Dalian Jiachun Gas Purification Technology Development Co., Ltd
- Low-cost and high-efficiency absorption-desorption decoupling method for contaminant-CO2 synergistic capture27 Jan 2026US 12,533,627 B2Jiaxing Research Institute, Zhejiang University
- System for eliminating bad-smelling emissions from industrial processes14 Oct 2025US 12,440,796 B2Valli Zabban S.P.A
- Gas treatment system and gas treatment method using the same26 Aug 2025US 12,400,879 B2Samsung Electronics Co., Ltd.
- Device and method for cleaning a gas stream20 May 2025US 12,303,826 B2DAS Environmental Expert GmbH
- Air sterilisation unit and method for sterilising air26 Feb 2026US 2026/0053970 A1Eirchemicals Ltd
- Scrubbing apparatus15 Jan 2026US 2026/0014511 A1
- System for carbon dioxide capture and carbon recycling for steel mill3 Jul 2025US 2025/0214026 A1Lowcarbon Co., Ltd.
- Mist trap19 Jun 2025US 2025/0196036 A1
- Trickle-bed scrubber and scrubbing process with woodchip packed bed20 Mar 2025US 2025/0090989 A1
Most cited
By later US patents
- Using liquid desiccant as a regenerable filter for capturing and deactivating contaminants105US 7,306,650 B2Midwest Research Institute · 2007
- Multi-chambered air cleaner74US 4,578,091 A1986
- Vapor-liquid contact method73US 3,959,419 AFritz W. Glitsch & Sons, Inc. · 1976
- Air pollution control system51US 4,344,779 A1982
- Method for removing contaminants from a gas stream38US 6,284,022 B1BASF SE · 2001