B01D 46/4236
Reducing noise or vibration emissions
Official title: {Reducing noise or vibration emissions}
B01D46/4236 (Reducing noise or vibration emissions) appears on 123 US grants and 128 published applications in this corpus.
Search patents in B01D- Granted patents
- 123
- Published applications
- 128
- Assignees
- 95
- Inventors
- 327
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 4 |
| 2003 | 1 | 3 |
| 2004 | 6 | 3 |
| 2005 | 2 | 6 |
| 2006 | 3 | 3 |
| 2007 | 1 | 2 |
| 2008 | 3 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 7 |
| 2011 | 1 | 4 |
| 2012 | 6 | 0 |
| 2013 | 1 | 5 |
| 2014 | 3 | 5 |
| 2015 | 2 | 4 |
| 2016 | 5 | 5 |
| 2017 | 4 | 8 |
| 2018 | 10 | 10 |
| 2019 | 4 | 4 |
| 2020 | 7 | 3 |
| 2021 | 9 | 5 |
| 2022 | 4 | 10 |
| 2023 | 2 | 11 |
| 2024 | 7 | 12 |
| 2025 | 5 | 6 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter system comprising filter housing, replaceable filter element, and resonator structure6 Oct 2026US 12,752,227 B2Mann+Hummel GmbH
- Filter element for a filter system having a resonator structure, and filter system having a resonator structure29 Sep 2026US 12,746,499 B2Mann+Hummel GmbH
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- Assemblies and methods for material extraction from retention collections11 Aug 2026US 12,703,585 B2Industrial Vacuum Transfer Services USA, LLC
- Systems, methods, and devices for industrial tower waste extraction4 Aug 2026US 12,698,199 B2Industrial Vacuum Transfer Services USA, LLC
- Assemblies and methods for material extraction from retention collections24 Sep 2026US 2026/0285620 A1Industrial Vacuum Transfer Services USA, LLC
- Systems, methods, and devices for industrial tower waste extraction17 Sep 2026US 2026/0274643 A1Industrial Vacuum Transfer Services USA, LLC
- Sound absorber for air cleaner, and air cleaner9 Jul 2026US 2026/0192230 A1Toyota Boshoku Kabushiki Kaisha
- Systems and methods for cleaning elevated open storage tanks9 Jul 2026US 2026/0193077 A1Industrial Vacuum Transfer Services USA, LLC
- An outdoor enclosure for electrical equipment and a method thereof4 Jun 2026US 2026/0156759 A1Vertiv Energy Private Limited
Most cited
By later US patents
- Particulate trap for diesel engine61US 5,709,722 ASumitomo Electric Industries, Ltd. · 1998
- Air cleaner59US 4,790,863 ANitta Corporation · 1988
- Room air cleaner58US 5,837,020 AHMI Industries, Inc. · 1998
- Inlet silencer/filter for an oxygen concentrator56US 6,702,880 B2Porous Media Corporation · 2004
- Filter insert and process for producing it54US 5,888,262 A"Jacobi" Systemtechnik GmbH · 1999