B03C 3/60
Use of special materials other than liquids
B03C3/60 (Use of special materials other than liquids) appears on 291 US grants and 326 published applications in this corpus.
Search patents in B03C- Granted patents
- 291
- Published applications
- 326
- Assignees
- 217
- Inventors
- 651
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 3 | 4 |
| 2006 | 5 | 9 |
| 2007 | 5 | 11 |
| 2008 | 4 | 9 |
| 2009 | 4 | 8 |
| 2010 | 4 | 17 |
| 2011 | 6 | 10 |
| 2012 | 10 | 16 |
| 2013 | 11 | 10 |
| 2014 | 9 | 11 |
| 2015 | 11 | 7 |
| 2016 | 8 | 18 |
| 2017 | 11 | 16 |
| 2018 | 10 | 16 |
| 2019 | 10 | 12 |
| 2020 | 8 | 22 |
| 2021 | 19 | 30 |
| 2022 | 13 | 32 |
| 2023 | 13 | 29 |
| 2024 | 17 | 13 |
| 2025 | 25 | 17 |
| 2026 | 9 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Membrane for collecting airborne particles22 Sep 2026US 12,741,287 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Electric precipitator for press mold and press mold using same8 Sep 2026US 12,728,425 B2Creative Technology Ltd
- Dust collection sheet and electrostatic precipitator18 Aug 2026US 12,708,911 B2Samsung Electronics Co., Ltd.
- Nano surfaces on smoke particle electrodes2 Jun 2026US 12,643,111 B2Gyrus ACMI, Inc.
- Electric dust collector and dust collection method using same12 May 2026US 12,623,232 B2Creative Technology Ltd
- Air filter for high-efficiency pm2.5 capture14 May 2026US 2026/0131270 A1The Board of Trustees of the Leland Stanford Junior University
- Electrostatic dust collection device and air purification apparatus30 Apr 2026US 2026/0115736 A1Suzhou BeiAng Smart Technology Co., Ltd.
- Aerosol ionization device and air purifier employing same2 Apr 2026US 2026/0091396 A1Samsung Electronics Co., Ltd.
- Air Filter and Air Filter Assembly30 Oct 2025US 2025/0332598 A1Mahle International GmbH
- Air conditioner and air purifier including electrostatic precipitator28 Aug 2025US 2025/0271159 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Air purifier and ionizer95US 4,253,852 ATau Systems Corporation · 1981
- Two-stage electrostatic filter95US 5,993,521 ATL-Vent AB · 1999
- Electric dust collector system74US 5,466,279 AKabushiki Kaisha Toshiba · 1995
- Apparatus for dedusting a gas at high temperature71US 5,348,571 AMetallgesellschaft Aktiengesellschaft · 1994
- Air cleaner70US 4,772,297 AKyowa Seiko Co., Ltd. · 1988