B03C 3/70
Insulating in electric separators
Official title: insulating in electric separators (B03C3/53 takes precedence)
B03C3/70 (Insulating in electric separators) appears on 112 US grants and 127 published applications in this corpus.
Search patents in B03C- Granted patents
- 112
- Published applications
- 127
- Assignees
- 95
- Inventors
- 299
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 3 |
| 2007 | 1 | 2 |
| 2008 | 5 | 2 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 2 | 4 |
| 2012 | 0 | 3 |
| 2013 | 6 | 6 |
| 2014 | 4 | 2 |
| 2015 | 0 | 3 |
| 2016 | 3 | 7 |
| 2017 | 7 | 4 |
| 2018 | 2 | 5 |
| 2019 | 4 | 1 |
| 2020 | 1 | 10 |
| 2021 | 4 | 17 |
| 2022 | 5 | 16 |
| 2023 | 5 | 11 |
| 2024 | 4 | 5 |
| 2025 | 6 | 11 |
| 2026 | 7 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrostatic precipitator and control method thereof8 Sep 2026US 12,728,424 B2Samsung Electronics Co., Ltd.
- Electric precipitator for press mold and press mold using same8 Sep 2026US 12,728,425 B2Creative Technology Ltd
- Electrostatic dust separator for purifying air and other dielectric fluids14 Jul 2026US 12,678,801 B2Mikroninter-Dig GmbH
- System comprising a discharge electrode assembly and an electrostatic precipitator unit comprising such a system23 Jun 2026US 12,661,662 B2exodraft a/s
- Electric dust collector and dust collection method using same12 May 2026US 12,623,232 B2Creative Technology Ltd
- Hybrid filter unit8 Oct 2026US 2026/0307082 A1Brairtech Sweden AB
- Insulator and wet electrostatic precipitator having the same8 Oct 2026US 2026/0307083 A1
- Devices and methods to reduce air pollution and global warming23 Jul 2026US 2026/0208207 A1Temple University of the Commonwealth System of Higher Education
- Electrostatic air purifier18 Jun 2026US 2026/0166566 A1Suzhou Beiang Smark Technology Co., Ltd.
- Electrostatic dust collection device and air purification apparatus30 Apr 2026US 2026/0115736 A1Suzhou BeiAng Smart Technology Co., Ltd.
Most cited
By later US patents
- Self-cleaning air purification system and process64US 6,464,754 B1Kairos, L.L.C. · 2002
- Apparatus and method for reducing particulate emissions from combustion processes63US 5,702,244 AThermal Energy Systems, Incorporated · 1997
- Hand dryer with sanitizing ionization assembly58US 9,421,291 B2Fifth Third Bank · 2016
- Compact electrostatic precipitator for droplet aerosol collection45US 6,221,136 B1MSP Corporation · 2001
- Diesel engine exhaust oxidizer37US 4,969,328 A1990