B01D 46/74
By forces created by movement of the filter element
Official title: by forces created by movement of the filter element
B01D46/74 (By forces created by movement of the filter element) appears on 213 US grants and 184 published applications in this corpus.
Search patents in B01D- Granted patents
- 213
- Published applications
- 184
- Assignees
- 174
- Inventors
- 496
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 7 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 2 |
| 2004 | 2 | 5 |
| 2005 | 2 | 7 |
| 2006 | 2 | 7 |
| 2007 | 4 | 7 |
| 2008 | 3 | 12 |
| 2009 | 3 | 6 |
| 2010 | 5 | 5 |
| 2011 | 3 | 3 |
| 2012 | 4 | 7 |
| 2013 | 9 | 10 |
| 2014 | 5 | 10 |
| 2015 | 7 | 10 |
| 2016 | 3 | 3 |
| 2017 | 6 | 9 |
| 2018 | 6 | 13 |
| 2019 | 9 | 11 |
| 2020 | 8 | 7 |
| 2021 | 2 | 7 |
| 2022 | 7 | 10 |
| 2023 | 5 | 14 |
| 2024 | 5 | 5 |
| 2025 | 9 | 8 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Integrated dust extractor and power tool11 Aug 2026US 12,703,053 B2Milwaukee Electric Tool Corporation
- Apparatus for collecting powder in exhaust gas with an increased collection capacity and exhaust gas treatment equipment provided with same2 Jun 2026US 12,643,064 B2Kabushiki Kaisha CSK
- Filtration system with collector tray5 May 2026US 12,618,442 B2Tallano Technologie
- Arrangement of a de-dusting unit in a vacuuming device and vacuuming device with such an arrangement28 Apr 2026US 12,611,080 B2Hilti Aktiengesellschaft
- Filtration systems with selective pulse control13 Jan 2026US 12,521,664 B2Donaldson Company, Inc.
- Apparatus for removing dust emitted from melting furnace25 Jun 2026US 2026/0177320 A1Korea Hydro & Nuclear Power Co., Ltd.
- Vacuum cleaner with self-cleaning function11 Jun 2026US 2026/0157588 A1Dongguan Comfort Electrical Industrial Co., Ltd.
- Two-stage air cleaner system with side-positioned pre-cleaner and pre-cleaner19 Feb 2026US 2026/0048356 A1Donaldson Company, Inc.
- Method of treating a gas stream and method of operating an apparatus for producing a three-dimensional work piece24 Jul 2025US 2025/0235931 A1Nikon SLM Solutions AG
- Integrated dust extractor and power tool10 Jul 2025US 2025/0222549 A1Milwaukee Electric Tool Corporation
Most cited
By later US patents
- Filter cleaning system for an ash vacuum65US 5,704,956 A1998
- Self-cleaning cabinet dust collector62US 4,443,235 ADonaldson Company, Inc. · 1984
- Polycyclonic vacuum collectors for virtually non-stop environmental remediation52US 6,471,751 B1Houston Industrial Corporation · 2002
- Filter51US 4,257,791 ALydall, Inc. · 1981
- Self-cleaning air filter system45US 4,482,367 A1984