B01D 41/00
Regeneration of the filtering material or filter elements outside the filter for
Official title: Regeneration of the filtering material or filter elements outside the filter for liquid or gaseous fluids
B01D41/00 (Regeneration of the filtering material or filter elements outside the filter for) appears on 290 US grants and 273 published applications in this corpus.
Search patents in B01D- Granted patents
- 290
- Published applications
- 273
- Assignees
- 179
- Inventors
- 654
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 12 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 8 |
| 2003 | 9 | 4 |
| 2004 | 4 | 8 |
| 2005 | 1 | 4 |
| 2006 | 2 | 10 |
| 2007 | 3 | 8 |
| 2008 | 9 | 12 |
| 2009 | 4 | 11 |
| 2010 | 9 | 14 |
| 2011 | 3 | 8 |
| 2012 | 9 | 11 |
| 2013 | 3 | 11 |
| 2014 | 7 | 16 |
| 2015 | 11 | 13 |
| 2016 | 12 | 12 |
| 2017 | 16 | 20 |
| 2018 | 3 | 12 |
| 2019 | 11 | 12 |
| 2020 | 9 | 13 |
| 2021 | 14 | 6 |
| 2022 | 8 | 17 |
| 2023 | 6 | 8 |
| 2024 | 16 | 13 |
| 2025 | 10 | 16 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Garment care apparatus and control method therefor22 Sep 2026US 12,741,242 B2Samsung Electronics Co., Ltd.
- Method of cleaning a fouled reverse osmosis membrane12 May 2026US 12,623,171 B1King Fahd University of Petroleum and Minerals
- Cleaning frame for waste gas purification apparatus5 May 2026US 12,616,926 B2Illinois Tool Works Inc.
- Effluent management inline cleaner28 Apr 2026US 12,615,718 B2Illinois Tool Works Inc.
- Cartridge filter cleaning system and method3 Mar 2026US 12,564,806 B1Filter Preaux, LLC
- Integrated synergistic purification process for sulfur, dust, and nitrogen oxides, using ceramic fiber tube6 Aug 2026US 2026/0225020 A1Shandong Jingyao Glass Group Co., Ltd.
- Air filter cleaning device21 May 2026US 2026/0138070 A1
- Cleanable filter medium5 Mar 2026US 2026/0061352 A1DelStar Technologies, Inc.
- Portable Filter Cleaning System And Method Of Cleaning A Filter12 Feb 2026US 2026/0042038 A1Cyclone Filter Tools LLC
- Method of processing dust collected on a dust filter of a continuous dust monitoring device for analysis22 Jan 2026US 2026/0022998 A1Commonwealth Scientific and Industrial Research Organisation
Most cited
By later US patents
- Cleanable filter bag assembly72US 6,110,243 AGore Enterprise Holdings, Inc. · 2000
- Cleaner assembly for air filters62US 4,808,234 AMcWinn Filter Services Ltd. · 1989
- Filter cleaning system60US 4,299,245 A1981
- Embedded spin-clean cartridge-type water filters57US 6,156,213 A2000
- Spinner for cleaning cartridge-type water filters45US 5,989,419 A1999