B03C 3/746
Electricity supply or control systems therefor
Official title: {Electricity supply or control systems therefor}
B03C3/746 (Electricity supply or control systems therefor) appears on 5 US grants and 11 published applications in this corpus.
Search patents in B03C- Granted patents
- 5
- Published applications
- 11
- Assignees
- 8
- Inventors
- 24
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Negative ion generating device and air purifier24 Jun 2025US 12,337,333 B2Beijing Smartmi Technology Co., Ltd.
- Filtering system, apparatus, and method10 Dec 2024US 12,161,378 B2Buffalo Filter LLC
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- Electro-kinetic air transporter with mechanism for emitter electrode travel past cleaning member25 Oct 2011US 8,043,573 B2Tessera, Inc.
- Air cleaner23 May 2006US 7,048,787 B2
- Electrostatic precipitator with circulating dust collection plates30 May 2024US 2024/0173725 A1U&G Technology Co., Ltd.
- Filtering system, apparatus, and method16 Nov 2023US 2023/0363810 A1Buffalo Filter LLC
- Negative ion generating device and air purifier26 Oct 2023US 2023/0338970 A1Beijing Smartmi Technology Co., Ltd.
- Electrostatic precipitator and control method thereof30 Mar 2023US 2023/0097963 A1Samsung Electronics Co., Ltd.
- Filtering system, apparatus, and method31 Dec 2020US 2020/0405367 A1Buffalo Filter LLC
Most cited
By later US patents