B01D 19/0015
In contact columns containing plates, grids or other filling elements
Official title: {in contact columns containing plates, grids or other filling elements}
B01D19/0015 (In contact columns containing plates, grids or other filling elements) appears on 126 US grants and 111 published applications in this corpus.
Search patents in B01D- Granted patents
- 126
- Published applications
- 111
- Assignees
- 115
- Inventors
- 304
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 6 |
| 2010 | 2 | 5 |
| 2011 | 2 | 8 |
| 2012 | 2 | 10 |
| 2013 | 5 | 4 |
| 2014 | 5 | 5 |
| 2015 | 5 | 6 |
| 2016 | 6 | 11 |
| 2017 | 3 | 7 |
| 2018 | 12 | 7 |
| 2019 | 7 | 4 |
| 2020 | 5 | 2 |
| 2021 | 4 | 5 |
| 2022 | 3 | 6 |
| 2023 | 4 | 5 |
| 2024 | 3 | 3 |
| 2025 | 3 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device and method for atomizing and degassing7 Apr 2026US 12,594,511 B1Upchem (USA) Co., LTD.
- Carbon dioxide capturing system and operation method thereof10 Feb 2026US 12,544,713 B2Kabushiki Kaisha Toshiba
- System for removing ammonia from an ammonia-containing effluent, and method for the same20 Jan 2026US 12,528,716 B2Nijhuis Water Technology B.V.
- Methods of vapor pressure stabilization of crude oil18 Nov 2025US 12,473,502 B2ExxonMobil Technology and Engineering Company
- Process for the production of synthesis gas26 Aug 2025US 12,398,036 B2Topsoe A/S
- High temperature solvent separation with advanced stripper and direct contact condenser6 Aug 2026US 2026/0225003 A1
- Hydrodynamic separator with alternating baffles23 Jul 2026US 2026/0209084 A1Advanced Drainage Systems, Inc.
- Hydrodynamic separator with alternating baffles23 Jul 2026US 2026/0209085 A1Advanced Drainage Systems, Inc.
- Water treatment system for producing oxygen depleted, dried steam and process for producing it11 Dec 2025US 2025/0376399 A1Topsoe A/S
- System for separating gas13 Feb 2025US 2025/0050239 A1Cri, Ehf
Most cited
By later US patents
- Diluent slip stream to give catalyst wetting agent491US 6,262,191 B1Phillips Petroleum Company · 2001
- Process for treating a gas stream to selectively separate acid gases therefrom47US 5,820,837 AMobil Oil Corporation · 1998
- Column gas-liquid contacting apparatus and its use thereof43US 6,423,235 B1Nittetu Chemical Engineering Ltd. · 2002
- Modularized multi-stage separator system39US 4,378,290 A1983
- Apparatus for air stripping contaminants from water35US 5,378,267 ACarbonair Environmental Services, Inc. · 1995