B01D 35/147
Bypass or safety valves
B01D35/147 (Bypass or safety valves) appears on 897 US grants and 864 published applications in this corpus.
Search patents in B01D- Granted patents
- 897
- Published applications
- 864
- Assignees
- 423
- Inventors
- 1,624
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 11 | 0 |
| 1978 | 8 | 0 |
| 1979 | 9 | 0 |
| 1980 | 10 | 0 |
| 1981 | 13 | 0 |
| 1982 | 9 | 0 |
| 1983 | 10 | 0 |
| 1984 | 8 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 7 | 0 |
| 1990 | 7 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 22 | 0 |
| 1997 | 12 | 0 |
| 1998 | 8 | 0 |
| 1999 | 14 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 7 |
| 2002 | 14 | 13 |
| 2003 | 26 | 29 |
| 2004 | 15 | 26 |
| 2005 | 17 | 26 |
| 2006 | 15 | 18 |
| 2007 | 16 | 30 |
| 2008 | 10 | 20 |
| 2009 | 11 | 33 |
| 2010 | 12 | 27 |
| 2011 | 11 | 23 |
| 2012 | 24 | 33 |
| 2013 | 23 | 26 |
| 2014 | 19 | 35 |
| 2015 | 26 | 31 |
| 2016 | 27 | 44 |
| 2017 | 31 | 34 |
| 2018 | 27 | 46 |
| 2019 | 34 | 44 |
| 2020 | 45 | 58 |
| 2021 | 37 | 56 |
| 2022 | 45 | 49 |
| 2023 | 51 | 39 |
| 2024 | 33 | 51 |
| 2025 | 32 | 35 |
| 2026 | 32 | 31 |
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
- Filtering shower assembly system8 Sep 2026US 12,729,137 B2
- Pure water systems25 Aug 2026US 12,715,790 B2Unger Marketing International, LLC
- Filter valve assembly18 Aug 2026US 12,708,868 B2Hamilton Sundstrand Corporation
- Filter apparatus with pivotable filter cartridge11 Aug 2026US 12,702,940 B2Robert Bosch GmbH
- 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.
- Outflow filter assembly for a water filtration system and a method therefor13 Aug 2026US 2026/0233131 A1
- Outflow filter assembly for a water filtration system and a method therefor13 Aug 2026US 2026/0234919 A1
- Filter Apparatus and Filter Element6 Aug 2026US 2026/0225012 A1Hydac Filtertechnik GmbH
Most cited
By later US patents
- Stormwater filter assembly483US 8,110,099 B2Contech Stormwater Solutions Inc. · 2012
- Extension and locking assembly for dripless element, and container therefore144US 6,554,139 B1Parker-Hannifin Corporation · 2003
- Stackable filter head unit130US 4,192,750 AMassey-Ferguson Inc. · 1980
- Spin-on oil filter replacement element128US 5,548,893 A1996
- Universal filter mounting attachment123US 4,052,307 AWix Corporation · 1977