B01D 2279/51
In clean rooms
Official title: in clean rooms, e.g. production facilities for electronic devices, laboratories
B01D2279/51 (In clean rooms) appears on 127 US grants and 122 published applications in this corpus.
Search patents in B01D- Granted patents
- 127
- Published applications
- 122
- Assignees
- 96
- Inventors
- 321
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 2 |
| 2002 | 4 | 2 |
| 2003 | 4 | 7 |
| 2004 | 3 | 4 |
| 2005 | 3 | 5 |
| 2006 | 2 | 7 |
| 2007 | 4 | 2 |
| 2008 | 3 | 1 |
| 2009 | 4 | 4 |
| 2010 | 2 | 4 |
| 2011 | 0 | 0 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 1 | 0 |
| 2017 | 0 | 7 |
| 2018 | 2 | 7 |
| 2019 | 3 | 10 |
| 2020 | 7 | 9 |
| 2021 | 8 | 15 |
| 2022 | 11 | 11 |
| 2023 | 6 | 5 |
| 2024 | 6 | 5 |
| 2025 | 5 | 3 |
| 2026 | 3 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter unit29 Sep 2026US 12,746,493 B2Samsung Biologics Co., Ltd.
- Indoor air cleaning system8 Sep 2026US 12,729,868 B2Microjet Technology Co., Ltd.
- System for aseptic packaging and method of using the same3 Feb 2026US 12,539,482 B2Sanfilippo Tech, LLC.
- Copper microbicidal filter30 Dec 2025US 12,508,529 B2
- Exhaust fan for preventing air pollution2 Dec 2025US 12,485,376 B2Microjet Technology Co., Ltd.
- Substrate processing apparatus and substrate processing method17 Sep 2026US 2026/0275511 A1Wonik Ips Co., Ltd.
- Mobile pcr systems, mobile reverse pcr hoods and related methods27 Aug 2026US 2026/0249283 A1Radeas, LLC
- Indoor field intelligent cleaning system25 Jun 2026US 2026/0177263 A1Microjet Technology Co., Ltd.
- Clean air equipment18 Jun 2026US 2026/0166460 A1Hitachi Industrial Equipment Systems Co., Ltd.
- Fan filter unit and control method thereof16 Apr 2026US 2026/0102727 A1United Microelectronics Corp.
Most cited
By later US patents
- Hepa filter91US 6,428,610 B1The University of Tennessee Research Corporation · 2002
- ULPA filter86US 5,507,847 AW. L. Gore & Associates, Inc. · 1996
- Side access filter support and sealing system64US 6,099,612 AFiltration Group Incorporated · 2000
- Planar clean room ceiling structure45US 5,279,632 AInternational Business Machines Corporation · 1994
- Snap-in, snap-out clean room ceiling system44US 6,267,793 B1HEPA California · 2001