A24B 1/04
Sifting, sorting, cleaning or removing impurities from tobacco
A24B1/04 (Sifting, sorting, cleaning or removing impurities from tobacco) appears on 64 US grants and 36 published applications in this corpus.
Search patents in A24B- Granted patents
- 64
- Published applications
- 36
- Assignees
- 35
- Inventors
- 116
- Latest grant
- 1 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 3 | 1 |
| 2004 | 1 | 2 |
| 2005 | 1 | 7 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 3 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 3 | 5 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 2 | 1 |
| 2019 | 0 | 2 |
| 2020 | 5 | 6 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Smoking article machine1 Apr 2025US 12,262,730 B2
- Cryro device and method for processing cannabis flowers1 Aug 2023US 11,712,699 B2
- Oil soluble taggants17 Jan 2023US 11,555,790 B2Altria Client Services LLC
- Menthol detection on tobacco24 May 2022US 11,340,168 B2Altria Client Services LLC
- Oil soluble taggants15 Dec 2020US 10,866,194 B2Altria Client Services LLC
- Device and method for separating non-tobacco related materials from a mass flow of small parts and use of the device8 Jan 2026US 2026/0007162 A1KöRber Technologies GmbH
- Method of processing green tobacco leaves into cut tobacco24 Nov 2022US 2022/0369687 A1
- Constraining mechanisms and associated methods16 Dec 2021US 2021/0386569 A1W. L. Gore & Associates, Inc.
- Oil soluble taggants10 Dec 2020US 2020/0386691 A1Altria Client Services LLC
- Menthol detection on tobacco8 Oct 2020US 2020/0319109 A1Altria Client Services LLC
Most cited
By later US patents
- Method and apparatus for detecting and removing foreign material from a stream of particulate matter75US 4,657,144 APhilip Morris Incorporated · 1987
- Multi-band spectral sorting system for light-weight articles74US 6,646,218 B1Key Technology, Inc. · 2003
- Tobacco sorting method and apparatus41US 4,609,108 AInstitute Po Technicheska Kibernetika I Robotika · 1986
- Apparatus for automatically grading leaf tobacco33US 4,018,674 A1977
- Latex detection system32US 5,462,176 ABrown & Williamson Tobacco Corporation · 1995