B01D 2201/4084
Snap or seeger ring connecting means
Official title: Snap or Seeger ring connecting means
B01D2201/4084 (Snap or seeger ring connecting means) appears on 489 US grants and 425 published applications in this corpus.
Search patents in B01D- Granted patents
- 489
- Published applications
- 425
- Assignees
- 248
- Inventors
- 890
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 13 | 0 |
| 1998 | 15 | 0 |
| 1999 | 13 | 0 |
| 2000 | 14 | 0 |
| 2001 | 13 | 6 |
| 2002 | 21 | 10 |
| 2003 | 14 | 14 |
| 2004 | 11 | 15 |
| 2005 | 12 | 17 |
| 2006 | 19 | 16 |
| 2007 | 11 | 15 |
| 2008 | 6 | 17 |
| 2009 | 11 | 19 |
| 2010 | 8 | 20 |
| 2011 | 11 | 9 |
| 2012 | 16 | 14 |
| 2013 | 9 | 20 |
| 2014 | 11 | 18 |
| 2015 | 11 | 13 |
| 2016 | 17 | 30 |
| 2017 | 23 | 20 |
| 2018 | 14 | 15 |
| 2019 | 26 | 19 |
| 2020 | 13 | 21 |
| 2021 | 9 | 20 |
| 2022 | 19 | 17 |
| 2023 | 18 | 11 |
| 2024 | 12 | 11 |
| 2025 | 14 | 17 |
| 2026 | 5 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter cartridge retention feature23 Jun 2026US 12,661,606 B2Atmus Filtration Inc.
- Filter insert for a fuel filter with three-stage filtration3 Mar 2026US 12,564,805 B2Hengst GmbH & Co. KG
- Water separating screen for a filter element in a liquid filter10 Feb 2026US 12,544,696 B2Mann+Hummel GmbH
- Filter cartridge, and method of retrofitting filter housing27 Jan 2026US 12,533,612 B2Entegris, Inc.
- Liquid filter assemblies; features; components; and, methods13 Jan 2026US 12,521,655 B2Donaldson Company, Inc.
- Filter assemblies and related filter elements8 Oct 2026US 2026/0306974 A1Donaldson Company, Inc.
- Filter cartridge27 Aug 2026US 2026/0250158 A1Gopala AG
- Spin-On Filter with Single Piece Housing and Snap-Together Assembly20 Aug 2026US 2026/0241311 A1Baldwin Filters, Inc.
- Filter Apparatus and Filter Element6 Aug 2026US 2026/0225012 A1Hydac Filtertechnik GmbH
- Filter for hydraulic fluids for hydraulic circuits18 Jun 2026US 2026/0166451 A1Mp Filtri S.P.A.
Most cited
By later US patents
- Extension and locking assembly for dripless element, and container therefore144US 6,554,139 B1Parker-Hannifin Corporation · 2003
- Oil filter with inner and outer coaxial filter elements140US 5,342,511 ABaldwin Filters, Inc. · 1994
- Recharge and filter assembly with replaceable cartridge131US 6,235,194 B1Parker-Hannifin Corporation · 2001
- Fluid filter assembly130US 5,556,542 AFleetguard, Inc. · 1996
- Oil filter pack and assembly116US 6,048,454 A2000