B01D 46/003
Including coalescing means for the separation of liquid
Official title: {including coalescing means for the separation of liquid}
B01D46/003 (Including coalescing means for the separation of liquid) appears on 702 US grants and 700 published applications in this corpus.
Search patents in B01D- Granted patents
- 702
- Published applications
- 700
- Assignees
- 398
- Inventors
- 1,412
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 10 | 0 |
| 1979 | 5 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 10 | 0 |
| 1996 | 4 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 10 | 0 |
| 2001 | 13 | 2 |
| 2002 | 11 | 13 |
| 2003 | 16 | 16 |
| 2004 | 11 | 20 |
| 2005 | 12 | 19 |
| 2006 | 11 | 9 |
| 2007 | 7 | 28 |
| 2008 | 16 | 13 |
| 2009 | 11 | 14 |
| 2010 | 10 | 27 |
| 2011 | 16 | 24 |
| 2012 | 17 | 19 |
| 2013 | 20 | 12 |
| 2014 | 18 | 32 |
| 2015 | 22 | 28 |
| 2016 | 24 | 37 |
| 2017 | 24 | 36 |
| 2018 | 23 | 48 |
| 2019 | 34 | 37 |
| 2020 | 56 | 53 |
| 2021 | 32 | 31 |
| 2022 | 42 | 56 |
| 2023 | 30 | 38 |
| 2024 | 36 | 42 |
| 2025 | 33 | 25 |
| 2026 | 27 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for rotating coalescers maintaining positive recirculation through a dynamic seal6 Oct 2026US 12,752,228 B2Atmus Filtration IP Inc.
- Crankcase oil separation device for internal combustion engine6 Oct 2026US 12,752,229 B2Caterpillar Inc.
- 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.
- Adapter element and retaining device for an air/oil separator of a vacuum pump22 Sep 2026US 12,741,244 B2Busch Produktions GmbH
- 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 2026/0273445 A1Mann+Hummel GmbH
- 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
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
- Surgical evacuation system with a communication circuit for communication between a filter and a smoke evacuation device165US 10,898,622 B2Ethicon, Inc. · 2021
- System for inlet air mass enhancement165US 8,414,673 B2Freudenberg Filtration Technologies India Pvt. Ltd. · 2013