B01D 50/60
Combinations of devices covered by groups b01d46/00 and b01d47/00
Official title: Combinations of devices covered by groups B01D46/00 and B01D47/00
B01D50/60 (Combinations of devices covered by groups b01d46/00 and b01d47/00) appears on 142 US grants and 111 published applications in this corpus.
Search patents in B01D- Granted patents
- 142
- Published applications
- 111
- Assignees
- 94
- Inventors
- 286
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 4 |
| 2002 | 7 | 3 |
| 2003 | 4 | 2 |
| 2004 | 0 | 2 |
| 2005 | 4 | 2 |
| 2006 | 1 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 3 | 5 |
| 2011 | 1 | 2 |
| 2012 | 3 | 1 |
| 2013 | 3 | 7 |
| 2014 | 3 | 3 |
| 2015 | 2 | 4 |
| 2016 | 5 | 5 |
| 2017 | 5 | 6 |
| 2018 | 4 | 7 |
| 2019 | 8 | 7 |
| 2020 | 4 | 5 |
| 2021 | 3 | 9 |
| 2022 | 8 | 8 |
| 2023 | 6 | 4 |
| 2024 | 3 | 8 |
| 2025 | 3 | 6 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable breathing air filtering device and method6 Oct 2026US 12,752,231 B2King Abdullah University of Science and Technology
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Method for clean and low-carbon in-situ disposal of waste incineration fly ash14 Jul 2026US 12,678,726 B2Zhejiang University
- Dust filter for integration with a conveyor skirting system13 Jan 2026US 12,521,666 B2Benetech, Inc.
- Oil-gas treatment system, oil-gas treatment method and mechanical apparatus25 Mar 2025US 12,257,543 B2Yantai Jereh Petroleum Equipment & Technologies Co., Ltd.
- Air purifier and air purifying method4 Jun 2026US 2026/0151724 A1Hongik University Industry-Academia Cooperation Foundation
- Lead-recovery process30 Apr 2026US 2026/0117341 A1
- Air sterilisation unit and method for sterilising air26 Feb 2026US 2026/0053970 A1Eirchemicals Ltd
- Air purifying apparatus17 Jul 2025US 2025/0229210 A1MEDMONTS Co., Ltd.
- Integrated system of devices and procedure for converting carbon-based composite material into a hydrogen-rich gas, with the option of capturing and using its emissions and waste26 Jun 2025US 2025/0206603 A1Blueplasma Power, S.L.
Most cited
By later US patents
- Multi-chambered air cleaner74US 4,578,091 A1986
- Process and apparatus for the removal of fine particulate matter and vapors from process exhaust air stream61US 5,123,936 APMC, Inc. · 1992
- Filtration device and method using absorption for the removal of gas phase contaminants59US 6,004,381 AAlliedSignal Inc. · 1999
- Filtration device using absorption for the removal of gas phase contaminants54US 5,713,971 AAlliedSignal Inc. · 1998
- Air cleaning apparatus and method for cleaning air47US 6,843,835 B2The Procter & Gamble Company · 2005