B03C 3/78
By washing
Official title: by washing
B03C3/78 (By washing) appears on 72 US grants and 82 published applications in this corpus.
Search patents in B03C- Granted patents
- 72
- Published applications
- 82
- Assignees
- 79
- Inventors
- 191
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 0 |
| 2002 | 0 | 1 |
| 2003 | 4 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 2 | 4 |
| 2016 | 4 | 1 |
| 2017 | 2 | 5 |
| 2018 | 1 | 3 |
| 2019 | 3 | 2 |
| 2020 | 3 | 9 |
| 2021 | 5 | 11 |
| 2022 | 2 | 8 |
| 2023 | 7 | 12 |
| 2024 | 3 | 6 |
| 2025 | 3 | 2 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrostatic precipitator with rotary collecting walls2 Jun 2026US 12,643,112 B2Nestec S. A.
- Method for drying a smoke filter unit5 May 2026US 12,616,234 B2Societe des Produits Nestle S. A.
- Particulate collecting device17 Mar 2026US 12,576,409 B2The Tyre Collective Ltd
- Method and apparatus for cleaning an electrostatic precipitator gas scrubbing apparatus10 Feb 2026US 12,544,770 B2Exentec U.S., Inc.
- Electrostatic precipitator15 Apr 2025US 12,275,018 B2Mitsubishi Heavy Industries Power Environmental Solutions, Ltd.
- Gas shut-off in a particulate removal device and method13 Mar 2025US 2025/0085728 A1Dürr Systems AG
- Air purification filter device using x-ray ionizer30 Jan 2025US 2025/0033065 A1Cobalt Technology Inc.
- Electrostatic precipitator cleaning19 Sep 2024US 2024/0307891 A1
- Vehicle having a device for capturing dust particles8 Aug 2024US 2024/0261797 A1Ford Global Technologies, LLC
- Electrostatic precipitator with circulating dust collection plates30 May 2024US 2024/0173725 A1U&G Technology Co., Ltd.
Most cited
By later US patents
- Electrostatic particle collecting apparatus58US 4,264,343 AMonsanto Company · 1981
- Wet electrostatic precipitators52US 3,958,961 AUnited States Filter Corporation · 1976
- Wet electrostatic precipitators48US 3,958,960 AUnited States Filter Corporation · 1976
- Electrostatic precipitator assembly43US 5,395,430 AWet Electrostatic Technology, Inc. · 1995
- Wet electrostatic precipitators42US 4,074,983 AUnited States Filter Corporation · 1978