B01D 2201/16
Valves
B01D2201/16 (Valves) appears on 342 US grants and 434 published applications in this corpus.
Search patents in B01D- Granted patents
- 342
- Published applications
- 434
- Assignees
- 227
- Inventors
- 850
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 3 |
| 2002 | 7 | 4 |
| 2003 | 6 | 7 |
| 2004 | 4 | 4 |
| 2005 | 6 | 11 |
| 2006 | 7 | 8 |
| 2007 | 4 | 3 |
| 2008 | 4 | 7 |
| 2009 | 2 | 11 |
| 2010 | 4 | 8 |
| 2011 | 3 | 5 |
| 2012 | 5 | 7 |
| 2013 | 4 | 5 |
| 2014 | 3 | 6 |
| 2015 | 3 | 3 |
| 2016 | 7 | 7 |
| 2017 | 8 | 28 |
| 2018 | 11 | 23 |
| 2019 | 20 | 36 |
| 2020 | 18 | 44 |
| 2021 | 26 | 27 |
| 2022 | 32 | 41 |
| 2023 | 32 | 30 |
| 2024 | 27 | 39 |
| 2025 | 30 | 31 |
| 2026 | 27 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shower system with a filter6 Oct 2026US 12,753,092 B2
- Automatic shutoff valve for a water filter assembly15 Sep 2026US 12,734,468 B2Haier US Appliance Solutions, Inc.
- Filtering shower assembly system8 Sep 2026US 12,729,137 B2
- Filter adapter, filter system and installation method1 Sep 2026US 12,722,106 B1Koros Technology (Shenzhen) Co. Ltd
- Filter assembly25 Aug 2026US 12,715,785 B2Samsung Electronics Co., Ltd.
- Filtering device and mounting structure10 Sep 2026US 2026/0263980 A1Yamashin-Filter Corp.
- Filter Element3 Sep 2026US 2026/0257156 A1Hydac Filtertechnik GmbH
- Split resin bed, low pressure drop, and replaceable cartridge deionization filter20 Aug 2026US 2026/0241312 A1Atmus Filtration Inc.
- Positive pressure filtration apparatus and method20 Aug 2026US 2026/0241314 A1Scientific Plastic Products, Inc.
- System and method for polymer purification using coil coalescer13 Aug 2026US 2026/0233125 A1PureCycle Technologies, Inc.
Most cited
By later US patents
- Extension and locking assembly for dripless element, and container therefore144US 6,554,139 B1Parker-Hannifin Corporation · 2003
- Rotary valve assembly for fluid filtration system76US 7,407,148 B23M Innovative Properties Company · 2008
- Fluid filter with filter bypass valve and sealing surface on filter element side73US 5,770,054 AFirma Ing. Walter Hengst GmbH & Co. KG · 1998
- Liquid filter with connection flange73US 5,922,196 AIng. Walter Hengst GmbH & Co. KG · 1999
- Liquid filter72US 5,538,626 AIng. Walter Hengst GmbH & Co. KG · 1996