B01D 46/64
Arranged concentrically or coaxially
Official title: arranged concentrically or coaxially
B01D46/64 (Arranged concentrically or coaxially) appears on 496 US grants and 537 published applications in this corpus.
Search patents in B01D- Granted patents
- 496
- Published applications
- 537
- Assignees
- 273
- Inventors
- 1,066
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 14 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 7 |
| 2003 | 8 | 6 |
| 2004 | 3 | 13 |
| 2005 | 5 | 12 |
| 2006 | 8 | 15 |
| 2007 | 4 | 7 |
| 2008 | 10 | 10 |
| 2009 | 12 | 20 |
| 2010 | 10 | 24 |
| 2011 | 13 | 14 |
| 2012 | 22 | 20 |
| 2013 | 12 | 9 |
| 2014 | 18 | 23 |
| 2015 | 8 | 25 |
| 2016 | 19 | 30 |
| 2017 | 18 | 23 |
| 2018 | 20 | 19 |
| 2019 | 23 | 35 |
| 2020 | 26 | 32 |
| 2021 | 18 | 47 |
| 2022 | 30 | 28 |
| 2023 | 13 | 37 |
| 2024 | 30 | 28 |
| 2025 | 26 | 28 |
| 2026 | 14 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Haircare appliance29 Sep 2026US 12,746,492 B2Dyson Technology Limited
- Filtration assembly and system29 Sep 2026US RE51,044 E1Walk Industrial, Inc.
- Hand held hair appliance having filter grill1 Sep 2026US 12,722,111 B2Kaz Europe SàRl
- Stackable air treatment device14 Jul 2026US 12,678,725 B2Carrier Corporation
- Sterilizing cabinet filter assembly7 Jul 2026US 12,673,286 B2Turbett Surgical, Inc.
- Stackable air treatment device8 Oct 2026US 2026/0306982 A1Carrier Corporation
- Sterilizing Cabinet Filter Assembly1 Oct 2026US 2026/0295487 A1
- 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
- Ring filter element assembly including two ring filter elements rotationally aligned relative to each other27 Aug 2026US 2026/0249221 A1Mann+Hummel GmbH
Most cited
By later US patents
- Air filter element with radial seal sealing gasket260US 5,484,466 ABaldwin Filters, Inc. · 1996
- Compressor unit and separator therefor245US 5,158,585 AHitachi, Ltd. · 1992
- Filtration arrangement and method242US 5,082,476 ADonaldson Company, Inc. · 1992
- Radially sealed air filters229US 5,487,767 ADana Corporation · 1996
- Filtration arrangement221US 5,238,474 ADonaldson Company, Inc. · 1993