A24D 3/046
With electrical or magnetical filtering means
Official title: {with electrical or magnetical filtering means}
A24D3/046 (With electrical or magnetical filtering means) appears on 3 US grants and 6 published applications in this corpus.
Search patents in A24D- Granted patents
- 3
- Published applications
- 6
- Assignees
- 5
- Inventors
- 11
- Latest grant
- 26 Jan 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Nonlinear Flexible Magnetic Filter Element19 Jul 2018US 2018/0199620 A1Diem GmbH
- Cooling filter for cigarettes and smoking articles20 Feb 2014US 2014/0048085 A1Borealis Technical Limited
- Filter including electrostatically charged fiber material25 Dec 2008US 2008/0314400 A1Philip Morris USA Inc.
- Magnetic Advanced Cigarette Filtration System14 Feb 2008US 2008/0035163 A1
- Smoking articles comprising magnetic filter elements11 Oct 2007US 2007/0235046 A1Philip Morris USA Inc.
Most cited
By later US patents