B01D 50/40
Combinations of devices covered by groups b01d45/00 and b01d47/00
Official title: Combinations of devices covered by groups B01D45/00 and B01D47/00
B01D50/40 (Combinations of devices covered by groups b01d45/00 and b01d47/00) appears on 188 US grants and 128 published applications in this corpus.
Search patents in B01D- Granted patents
- 188
- Published applications
- 128
- Assignees
- 139
- Inventors
- 387
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 12 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 3 | 0 |
| 2000 | 9 | 0 |
| 2001 | 7 | 2 |
| 2002 | 2 | 2 |
| 2003 | 4 | 4 |
| 2004 | 2 | 6 |
| 2005 | 1 | 5 |
| 2006 | 5 | 4 |
| 2007 | 2 | 3 |
| 2008 | 0 | 3 |
| 2009 | 4 | 2 |
| 2010 | 1 | 0 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 2 | 11 |
| 2016 | 4 | 3 |
| 2017 | 6 | 5 |
| 2018 | 4 | 6 |
| 2019 | 4 | 6 |
| 2020 | 3 | 8 |
| 2021 | 7 | 10 |
| 2022 | 11 | 8 |
| 2023 | 6 | 13 |
| 2024 | 7 | 5 |
| 2025 | 7 | 10 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separator system and method19 May 2026US 12,631,076 B2
- Two-phase separator device for removing condensate or particulate from a gas stream5 May 2026US 12,616,927 B2Paragon Space Development Corporation
- Liquid filter apparatus with thermal shield14 Apr 2026US 12,599,860 B2Edwards Vacuum LLC
- Devices, systems and methods for flux removal from furnace process gas3 Feb 2026US 12,539,485 B2BTU International, Inc.
- Gas treatment system and gas treatment method using the same26 Aug 2025US 12,400,879 B2Samsung Electronics Co., Ltd.
- System to Remove Food Particles from Air Stream27 Aug 2026US 2026/0251326 A1MP Equipment, LLC
- Integrated devices for drying organic solid wastes and extracting metals and methods thereof9 Jul 2026US 2026/0193540 A1Harbin Normal University
- Devices, systems and methods for flux removal from furnace process gas2 Apr 2026US 2026/0091338 A1BTU International, Inc.
- Hydrocyclone for separating solids and/or liquids from a gaseous process stream11 Dec 2025US 2025/0375726 A1ESTA Apparatebau GmbH & Co. KG
- Apparatus and method of trapping an exhaust material from a substrate-processing process and apparatus for processing a substrate including the trapping apparatus20 Nov 2025US 2025/0352949 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Air pollution control system51US 4,344,779 A1982
- Filtering system for cleaning air51US 5,908,493 A1999
- Particulate collection device with integral wet scrubber41US 5,250,267 AThe Babcock & Wilcox Company · 1993
- Powder collection apparatus/method39US 5,277,705 AIowa State University Research Foundation, Inc. · 1994
- Process and apparatus for the removal of particulate matter and reactive or water soluble gases from carrier gases36US 4,272,499 ALone Star Steel Company · 1981