B01D 2201/165
Multi-way valves
B01D2201/165 (Multi-way valves) appears on 75 US grants and 75 published applications in this corpus.
Search patents in B01D- Granted patents
- 75
- Published applications
- 75
- Assignees
- 58
- Inventors
- 178
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 0 |
| 2003 | 0 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 2 |
| 2011 | 0 | 0 |
| 2012 | 0 | 3 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 3 |
| 2019 | 1 | 6 |
| 2020 | 2 | 4 |
| 2021 | 4 | 6 |
| 2022 | 7 | 6 |
| 2023 | 6 | 9 |
| 2024 | 2 | 11 |
| 2025 | 10 | 4 |
| 2026 | 10 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Filter dryer component and filter dryer2 Jul 2026US 2026/0183685 A1
- Valve arrangement and liquid treatment installation for a vehicle washing installation16 Apr 2026US 2026/0104097 A1WashTec Holding GmbH
- Tool-free water filter12 Mar 2026US 2026/0070007 A1Kemflo International Co., Ltd.
- Substrate processing apparatus and substrate processing method12 Mar 2026US 2026/0076133 A1SCREEN Holdings Co., Ltd.
Most cited
By later US patents
- Rotary valve assembly for fluid filtration system76US 7,407,148 B23M Innovative Properties Company · 2008
- Filter housing for closed fluid circulating system66US 4,615,812 AMetro-Line Industries, Inc. · 1986
- Valve61US 4,529,515 ASurculus Aktiengesellschaft · 1985
- Deep fryer and filtration system55US 5,247,876 A1993
- Water filter assembly44US 3,935,106 A1976