B01D 46/0031
With collecting, draining means
Official title: {with collecting, draining means}
B01D46/0031 (With collecting, draining means) appears on 434 US grants and 421 published applications in this corpus.
Search patents in B01D- Granted patents
- 434
- Published applications
- 421
- Assignees
- 256
- Inventors
- 862
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 2 |
| 2002 | 8 | 9 |
| 2003 | 9 | 11 |
| 2004 | 9 | 13 |
| 2005 | 7 | 12 |
| 2006 | 6 | 5 |
| 2007 | 5 | 20 |
| 2008 | 12 | 8 |
| 2009 | 6 | 7 |
| 2010 | 5 | 12 |
| 2011 | 10 | 14 |
| 2012 | 7 | 6 |
| 2013 | 11 | 5 |
| 2014 | 8 | 22 |
| 2015 | 14 | 16 |
| 2016 | 12 | 19 |
| 2017 | 15 | 23 |
| 2018 | 15 | 30 |
| 2019 | 22 | 24 |
| 2020 | 30 | 33 |
| 2021 | 21 | 19 |
| 2022 | 27 | 36 |
| 2023 | 17 | 21 |
| 2024 | 20 | 25 |
| 2025 | 26 | 17 |
| 2026 | 14 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Separating device with a separating element29 Sep 2026US 12,746,495 B2Mann+Hummel GmbH
- Crankcase ventilation element29 Sep 2026US 12,747,684 B2Atmus Filtration Inc.
- Drain discharge structure in compressed pneumatic circuit8 Sep 2026US 12,728,385 B2Fukuhara Co., Ltd.
- Pollutant capturer and mobilizer8 Sep 2026US 12,729,640 B2
- Flow stream filtering method and system8 Sep 2026US 12,729,673 B2Le Groupe Dsd Inc.
- Oil separator structure for blow-by gas recirculation system, and vehicle1 Oct 2026US 2026/0295464 A1Isuzu Motors Limited
- Coalescing separator insert, coalescing separator, and process for manufacturing a coalescing separator insert17 Sep 2026US 2026/0273446 A1Mann+Hummel GmbH
- Improvements in or relating to gas apparatus27 Aug 2026US 2026/0249220 A1Peak Scientific Instruments Limited
- Conversion Assembly for Converting an Outside-to-inside Coalescing Filter System to an Inside-to-outside Coalescing Filter System for Air and Oil Separators and Method of Use20 Aug 2026US 2026/0241318 A1
- Fog collector that can reduce the gravitational loss of captured water, with facilitated transport in a folded or rolled state13 Aug 2026US 2026/0234913 A1Desmontables S.A.
Most cited
By later US patents
- Reverse flow air filter arrangement and method292US 5,613,992 ADonaldson Company, Inc. · 1997
- Compressor unit and separator therefor245US 5,158,585 AHitachi, Ltd. · 1992
- Reverse flow air filter arrangement and method215US 5,897,676 ADonaldson Company, Inc. · 1999
- System for inlet air mass enhancement165US 8,414,673 B2Freudenberg Filtration Technologies India Pvt. Ltd. · 2013
- Air purification system and process135US 4,231,768 APall Corporation · 1980