B01D 27/148
Arranged concentrically or coaxially
Official title: {arranged concentrically or coaxially}
B01D27/148 (Arranged concentrically or coaxially) appears on 77 US grants and 83 published applications in this corpus.
Search patents in B01D- Granted patents
- 77
- Published applications
- 83
- Assignees
- 47
- Inventors
- 173
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 4 |
| 2003 | 3 | 5 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 5 | 6 |
| 2007 | 1 | 4 |
| 2008 | 2 | 4 |
| 2009 | 0 | 4 |
| 2010 | 2 | 3 |
| 2011 | 3 | 3 |
| 2012 | 4 | 2 |
| 2013 | 2 | 3 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 5 | 6 |
| 2017 | 3 | 0 |
| 2018 | 1 | 4 |
| 2019 | 1 | 3 |
| 2020 | 4 | 7 |
| 2021 | 4 | 6 |
| 2022 | 2 | 1 |
| 2023 | 6 | 3 |
| 2024 | 8 | 2 |
| 2025 | 1 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiple threaded connector for filter8 Jul 2025US 12,350,612 B2Cummins Filtration IP, Inc.
- Closed bioprocessing device24 Dec 2024US 12,172,108 B2EMD Millipore Corporation
- Quick oil change filter and assembly17 Dec 2024US 12,168,188 B2Briggs & Stratton Corporation
- Refrigerator drawer with cassette filter17 Dec 2024US 12,169,095 B2Electrolux Home Products, Inc.
- Household water purifier3 Dec 2024US 12,157,680 B2YUNDA H&H TECH (Tianjin) CO., LTD.
- Composite filter cartridge7 May 2026US 2026/0124559 A1Kemflo International Co., Ltd.
- Filter insert with improved filter performance under operating conditions19 Mar 2026US 2026/0077280 A1
- Closed Bioprocessing Device29 May 2025US 2025/0170500 A1EMD Millipore Corporation
- Quick oil change filter and assembly13 Mar 2025US 2025/0083074 A1Briggs & Stratton Corporation
- Disposable filter capsule for a filtration device2 Jan 2025US 2025/0001364 A1Sartorius Stedim Biotech GmbH
Most cited
By later US patents
- Oil filter with inner and outer coaxial filter elements140US 5,342,511 ABaldwin Filters, Inc. · 1994
- Apparatus for filtering impurities out of fluid118US 6,478,958 B1Baldwin Filters, Inc. · 2002
- Apparatus for filtering impurities out of fluid96US 6,787,033 B2Baldwin Filters, Inc. · 2004
- Combination particulate and acid-neutralizing filter77US 6,969,461 B2Baldwin Filters, Inc. · 2005
- Dual flow and dual stage lubricant filter assembly67US 5,078,877 ABaldwin Filters, Inc. · 1992