B03C 3/368
By other than static mechanical means
Official title: {by other than static mechanical means, e.g. internal ventilator or recycler}
B03C3/368 (By other than static mechanical means) appears on 196 US grants and 277 published applications in this corpus.
Search patents in B03C- Granted patents
- 196
- Published applications
- 277
- Assignees
- 156
- Inventors
- 530
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 2 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 3 |
| 2008 | 1 | 2 |
| 2009 | 4 | 7 |
| 2010 | 3 | 9 |
| 2011 | 4 | 11 |
| 2012 | 4 | 8 |
| 2013 | 15 | 12 |
| 2014 | 8 | 9 |
| 2015 | 9 | 12 |
| 2016 | 7 | 14 |
| 2017 | 10 | 13 |
| 2018 | 9 | 22 |
| 2019 | 13 | 16 |
| 2020 | 14 | 18 |
| 2021 | 7 | 15 |
| 2022 | 16 | 24 |
| 2023 | 16 | 28 |
| 2024 | 20 | 24 |
| 2025 | 16 | 16 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Ion generating apparatus1 Sep 2026US 12,722,162 B2Panasonic Ecology Systems Guangdong Co., Ltd.
- Methods and systems for negative ion-based and radiation-based pollution reduction7 Jul 2026US 12,673,332 B2Rainlons Corp.
- Oil mist filtering apparatus, cooking apparatus including the same, and ventilation system including the same16 Jun 2026US 12,655,993 B2Samsung Electronics Co., Ltd.
- Smart multifunction air purification and ventilation9 Jul 2026US 2026/0194247 A1Nature's Cooling Solutions
- Air purification system28 May 2026US 2026/0145110 A1Dyson Technology Limited
- Aerosol ionization device and air purifier employing same2 Apr 2026US 2026/0091396 A1Samsung Electronics Co., Ltd.
- Electronically enhanced air cleaner with multiple filters and energy grids12 Mar 2026US 2026/0070067 A1Healthway Home Products Company Inc.
- Ionizer and air conditioner equipped with same4 Dec 2025US 2025/0367681 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Air purifier64US 7,537,647 B2S. C. Johnson & Son, Inc. · 2009
- Systems and methods of air treatment using bipolar ionization43US 8,564,924 B1Global Plasma Solutions, Inc. · 2013
- Rectilinear turbulent flow type air purifier38US 5,622,543 A1997
- Electrical dust collector27US 5,322,550 ASamsung Electronics Co., Ltd. · 1994
- Negative ion generating apparatus26US 6,174,500 B1Mitsubishi Denki Kabushiki Kaisha · 2001