B01D 53/504
Characterised by a specific device
Official title: {characterised by a specific device}
B01D53/504 (Characterised by a specific device) appears on 422 US grants and 312 published applications in this corpus.
Search patents in B01D- Granted patents
- 422
- Published applications
- 312
- Assignees
- 193
- Inventors
- 727
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 3 | 0 |
| 1993 | 12 | 0 |
| 1994 | 4 | 0 |
| 1995 | 13 | 0 |
| 1996 | 18 | 0 |
| 1997 | 25 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 10 | 0 |
| 2001 | 11 | 1 |
| 2002 | 6 | 2 |
| 2003 | 7 | 6 |
| 2004 | 7 | 9 |
| 2005 | 6 | 7 |
| 2006 | 2 | 10 |
| 2007 | 5 | 8 |
| 2008 | 5 | 9 |
| 2009 | 7 | 10 |
| 2010 | 8 | 15 |
| 2011 | 6 | 6 |
| 2012 | 11 | 15 |
| 2013 | 10 | 21 |
| 2014 | 17 | 22 |
| 2015 | 19 | 20 |
| 2016 | 18 | 27 |
| 2017 | 18 | 14 |
| 2018 | 19 | 19 |
| 2019 | 24 | 32 |
| 2020 | 28 | 29 |
| 2021 | 23 | 11 |
| 2022 | 13 | 6 |
| 2023 | 3 | 7 |
| 2024 | 2 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flue gas purification system for hazardous waste incineration and purification method25 Aug 2026US 12,714,969 B2Chongqing Greening Environmental Protection Co. Ltd
- Method for simultaneously removing high-load sulfur dioxide and nitrogen oxide in waste gas10 Mar 2026US 12,569,807 B2Nanjing University
- Collection and separation systems and methods of use thereof and isotope analysis systems and methods of use thereof15 Jul 2025US 12,357,943 B2University of Georgia Research Foundation, Inc.
- Nozzle lance, combustion plant and method for exhaust gas treatment1 Apr 2025US 12,263,499 B2Rs Rittel GmbH
- Treated water drying device and boiler system including the same28 Jan 2025US 12,208,360 B2Mitsubishi Heavy Industries, Ltd.
- Cooling tower, carbon dioxide capture device, and method for treating surface of packing20 Aug 2026US 2026/0241340 A1Mitsubishi Heavy Industries, Ltd.
- Corrosion resistant nozzle and lid for an adiabatic gas cooler9 Apr 2026US 2026/0097409 A1Cg Thermal, LLC
- Carbon dioxide and sulfur oxide capture and carbon resource conversion system for integrated gasification combined cycle4 Sep 2025US 2025/0276278 A1Lowcarbon Co., Ltd.
- Carbon dioxide and sulfur oxide capture and carbon resource conversion system for coal-fired power generation20 Mar 2025US 2025/0090993 A1Lowcarbon Co., Ltd.
- Method of assembling a vessel overboard discharge assembly18 Jul 2024US 2024/0239454 A1Maersk A/S
Most cited
By later US patents
- Scrubber for the treatment of flue gases79US 6,562,304 B1Clue AS · 2003
- Gas-liquid contact reaction apparatus67US 4,239,515 AChiyoda Chemical Engineering & Construction Co., Ltd. · 1980
- Combined flue gas desulfurization and carbon dioxide removal system58US 6,399,030 B1The Babcock & Wilcox Company · 2002
- Dry flue gas desulfurization system with dual feed atomizer liquid distributor56US 9,498,786 B2General Electric Technology GmbH · 2016
- Gas-liquid contact system55US 4,263,021 AThe Babcock & Wilcox Company · 1981