B03C 3/68
Control systems therefor
Official title: Control systems therefor {(electricity supply or control systems for cleaning the electrodes B03C3/746, B03C3/763)}
B03C3/68 (Control systems therefor) appears on 374 US grants and 359 published applications in this corpus.
Search patents in B03C- Granted patents
- 374
- Published applications
- 359
- Assignees
- 240
- Inventors
- 813
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 6 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 6 | 0 |
| 1983 | 9 | 0 |
| 1984 | 6 | 0 |
| 1985 | 7 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 3 |
| 2002 | 5 | 5 |
| 2003 | 5 | 5 |
| 2004 | 5 | 23 |
| 2005 | 9 | 15 |
| 2006 | 11 | 20 |
| 2007 | 11 | 12 |
| 2008 | 13 | 15 |
| 2009 | 9 | 11 |
| 2010 | 14 | 12 |
| 2011 | 9 | 17 |
| 2012 | 9 | 12 |
| 2013 | 15 | 10 |
| 2014 | 14 | 21 |
| 2015 | 10 | 14 |
| 2016 | 16 | 12 |
| 2017 | 4 | 19 |
| 2018 | 8 | 11 |
| 2019 | 9 | 10 |
| 2020 | 11 | 13 |
| 2021 | 9 | 22 |
| 2022 | 12 | 18 |
| 2023 | 4 | 21 |
| 2024 | 13 | 19 |
| 2025 | 11 | 13 |
| 2026 | 10 | 6 |
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.
- Electrostatic precipitator and control method thereof8 Sep 2026US 12,728,426 B2Samsung Electronics Co., Ltd.
- Ion generator and system with mobile HVAC1 Sep 2026US 12,722,161 B2Dometic Sweden AB
- Ion generating apparatus1 Sep 2026US 12,722,162 B2Panasonic Ecology Systems Guangdong Co., Ltd.
- System and a method for reducing particulate pollutants in air, using pulsed electromagnetic waves18 Aug 2026US 12,708,910 B2Devic Earth Private Limited
- Air conditioner17 Sep 2026US 2026/0276225 A1Samsung Electronics Co., Ltd.
- Ducted Ventilation System, Particle Collection Unit and Method30 Jul 2026US 2026/0218929 A1E. Khoury Holding B.V.
- Electric dust-collecting filter23 Jul 2026US 2026/0208208 A1Hanon Systems
- Electrostatic air purifier18 Jun 2026US 2026/0166566 A1Suzhou Beiang Smark Technology Co., Ltd.
- Electrical dust collector, method of controlling the same, and air handler including the electrical dust collector26 Feb 2026US 2026/0054271 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Electrokinetic transducing methods and apparatus and systems comprising or utilizing the same130US 4,789,801 AZenion Industries, Inc. · 1988
- Electro-kinetic air transporter-conditioner122US 6,176,977 B1Sharper Image Corporation · 2001
- Electrode self-cleaning mechanism for electro-kinetic air transporter-conditioner devices102US 6,350,417 B1Sharper Image Corporation · 2002
- Electrostatic precipitator and method95US 3,984,215 AHudson Pulp & Paper Corp. · 1976
- Method and apparatus for detecting back corona in an electrostatic filter with ordinary or intermittent DC-voltage supply93US 4,936,876 AF. L. Smidth & Co. A/S · 1990