B01D 29/35
Arranged for outward flow filtration
Official title: arranged for outward flow filtration
B01D29/35 (Arranged for outward flow filtration) appears on 321 US grants and 304 published applications in this corpus.
Search patents in B01D- Granted patents
- 321
- Published applications
- 304
- Assignees
- 235
- Inventors
- 697
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 1 |
| 2002 | 8 | 5 |
| 2003 | 4 | 1 |
| 2004 | 1 | 12 |
| 2005 | 2 | 6 |
| 2006 | 5 | 3 |
| 2007 | 5 | 7 |
| 2008 | 2 | 4 |
| 2009 | 3 | 3 |
| 2010 | 3 | 7 |
| 2011 | 1 | 6 |
| 2012 | 5 | 6 |
| 2013 | 2 | 8 |
| 2014 | 5 | 4 |
| 2015 | 5 | 10 |
| 2016 | 6 | 15 |
| 2017 | 4 | 10 |
| 2018 | 7 | 13 |
| 2019 | 11 | 28 |
| 2020 | 27 | 25 |
| 2021 | 9 | 29 |
| 2022 | 15 | 22 |
| 2023 | 25 | 25 |
| 2024 | 21 | 24 |
| 2025 | 17 | 19 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pool skimmer6 Oct 2026US 12,753,619 B1Sichuan Cootway Technology Co., Ltd.
- Rock straining system15 Sep 2026US 12,735,950 B2Proppant Express Solutions, LLC
- Surface cleaning apparatus8 Sep 2026US 12,727,731 B2Omachron Intellectual Property Inc.
- Pool skimmer1 Sep 2026US 12,723,423 B1Sichuan Cootway Technology Co., Ltd.
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,963 B2Samsung Electronics Co., Ltd.
- Surface cleaning apparatus24 Sep 2026US 2026/0283435 A1Omachron Intellectual Property Inc.
- Lye outlet within a lye filter24 Sep 2026US 2026/0284562 A1John Cockerill Hydrogen Belgium
- Impeller for laundry appliance that incorporates a filtering cap for separating particulate matter from wash fluid within the appliance10 Sep 2026US 2026/0265987 A1Whirlpool Corporation
- Filter unit with particle filter and ion exchanger and cooling circuit with filter unit16 Jul 2026US 2026/0204599 A1Mann+Hummel GmbH
- Surface cleaning apparatus25 Jun 2026US 2026/0174304 A1Omachron Intellectual Property Inc.
Most cited
By later US patents
- Filter element and manufacture method thereof141US 5,049,326 ANippondenso Co., Ltd. · 1991
- Filter element and manufacture method thereof95US 5,002,666 ANippondenso Co., Ltd. · 1991
- Pneumatic hydro-pulse filter system and method of operation81US 4,552,669 AMott Metallurgical Corporation · 1985
- Storm drain filter system80US 6,270,663 B12001
- High surface area filter cartridge70US 4,842,739 AMinnesota Mining and Manufacturing Company · 1989