B01D 29/96
In which the filtering elements are moved between filtering operations
Official title: in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters (B01D29/09, B01D29/70 take precedence)
B01D29/96 (In which the filtering elements are moved between filtering operations) appears on 1,168 US grants and 914 published applications in this corpus.
Search patents in B01D- Granted patents
- 1,168
- Published applications
- 914
- Assignees
- 571
- Inventors
- 1,927
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 12 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 15 | 0 |
| 1990 | 17 | 0 |
| 1991 | 20 | 0 |
| 1992 | 24 | 0 |
| 1993 | 28 | 0 |
| 1994 | 21 | 0 |
| 1995 | 28 | 0 |
| 1996 | 35 | 0 |
| 1997 | 42 | 0 |
| 1998 | 36 | 0 |
| 1999 | 32 | 0 |
| 2000 | 38 | 0 |
| 2001 | 33 | 11 |
| 2002 | 27 | 29 |
| 2003 | 39 | 41 |
| 2004 | 32 | 53 |
| 2005 | 26 | 40 |
| 2006 | 30 | 40 |
| 2007 | 26 | 44 |
| 2008 | 21 | 34 |
| 2009 | 11 | 17 |
| 2010 | 23 | 30 |
| 2011 | 18 | 23 |
| 2012 | 32 | 24 |
| 2013 | 23 | 27 |
| 2014 | 18 | 25 |
| 2015 | 19 | 15 |
| 2016 | 20 | 28 |
| 2017 | 22 | 43 |
| 2018 | 31 | 43 |
| 2019 | 34 | 37 |
| 2020 | 35 | 63 |
| 2021 | 39 | 45 |
| 2022 | 44 | 47 |
| 2023 | 38 | 43 |
| 2024 | 42 | 46 |
| 2025 | 42 | 43 |
| 2026 | 20 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bouncing drainer15 Sep 2026US 12,735,879 B2Xiamen Aomute Technology Co., Ltd
- Rock straining system15 Sep 2026US 12,735,950 B2Proppant Express Solutions, LLC
- Retrofitting and use of rectangular filters, assembly and method for filtration25 Aug 2026US 12,714,957 B2Filtration Technology Corporation
- Filter apparatus with pivotable filter cartridge11 Aug 2026US 12,702,940 B2Robert Bosch GmbH
- Filter apparatus and clothes treating apparatus having the same21 Jul 2026US 12,686,963 B2Samsung Electronics Co., Ltd.
- Filter Assembly having a Locking Mechanism with Enhanced Engagement Features8 Oct 2026US 2026/0306975 A1Parker-Hannifin Corporation
- Keyed flange filtration manifold interface8 Oct 2026US 2026/0306977 A1Midea Group Co., Ltd.
- Fluid treatment module for an appliance that includes a microfiber filter access mechanism3 Sep 2026US 2026/0258592 A1Whirlpool Corporation
- Filter Apparatus and Filter Element6 Aug 2026US 2026/0225012 A1Hydac Filtertechnik GmbH
- Washing machine and filter device for washing machine30 Jul 2026US 2026/0218435 A1LG Electronics Inc.
Most cited
By later US patents
- Deformable well screen320US 5,901,789 AShell Oil Company · 1999
- Environmentally friendly filter cartridge275US 5,685,985 ABaldwin Filters, Inc. · 1997
- Replacement filter cartridge assembly253US 5,211,846 APleatco Electronic & Filter Corp. · 1993
- Deformable well screen218US 6,012,522 AShell Oil Company · 2000
- Open flow filter with safety element214US 6,416,561 B1Nelson Industries, Inc. · 2002