B01D 29/6407
Brushes
Official title: {brushes}
B01D29/6407 (Brushes) appears on 125 US grants and 85 published applications in this corpus.
Search patents in B01D- Granted patents
- 125
- Published applications
- 85
- Assignees
- 84
- Inventors
- 231
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 1 |
| 2003 | 2 | 7 |
| 2004 | 4 | 6 |
| 2005 | 4 | 2 |
| 2006 | 3 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 4 |
| 2013 | 1 | 4 |
| 2014 | 1 | 5 |
| 2015 | 5 | 4 |
| 2016 | 4 | 7 |
| 2017 | 2 | 6 |
| 2018 | 4 | 2 |
| 2019 | 5 | 3 |
| 2020 | 5 | 3 |
| 2021 | 4 | 5 |
| 2022 | 4 | 7 |
| 2023 | 4 | 3 |
| 2024 | 5 | 7 |
| 2025 | 4 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device for pretreating refined cotton and method of use of same16 Jun 2026US 12,655,232 B2Hubei Jinhanjiang Refined Cotton Co., Ltd.
- Faucet water purifier and filtering device for faucet water purifier19 May 2026US 12,629,618 B2
- Screening device for use in coarse matter screening wells of a waste water treatment plant24 Mar 2026US 12,583,762 B2Deyma La Mancha, S.L.
- Sewage purification treatment apparatus capable of being assembled in prefabricated way17 Feb 2026US 12,552,684 B2Jiangsu Taiyuan Environmental Science and Technology Co., Ltd.
- Wastewater heat exchange system16 Sep 2025US 12,415,149 B2SHARC Energy Systems Inc.
- Filtration apparatus30 Apr 2026US 2026/0115630 A1Nihon Genryo Co., Ltd.
- Mechanical Sludge Thickener System and Method Thereof16 Oct 2025US 2025/0320147 A1
- Water purifier and control valve for use in water purifier28 Aug 2025US 2025/0270112 A1Yuyao Yadong Plastic Co., Ltd.
- Circulating water pump for data center computer room19 Jun 2025US 2025/0196029 A1Hebei Qinhuai Data Co., Limited.
- Device for capturing and removing particles5 Sep 2024US 2024/0293827 A1Caleffi S.p.A.
Most cited
By later US patents
- Portable water purification system including a filter cleaning mechanism66US 5,106,500 ARecovery Engineering, Inc. · 1992
- Self cleaning water filter60US 6,666,976 B22003
- Self-cleaning filter assembly for solenoid-actuated valves52US 4,081,171 AClemar Manufacturing Corporation · 1978
- Filter especially intended for filtering natural water for the irrigation of cultivated fields41US 3,959,140 A1976
- Self-cleaning stationary basket strainer33US 5,401,396 AGA Industries Inc. · 1995