A24C 5/34
Examining cigarettes or the rod
Official title: Examining cigarettes or the rod, e.g. for regulating the feeding of tobacco; Removing defective cigarettes
A24C5/34 (Examining cigarettes or the rod) appears on 543 US grants and 303 published applications in this corpus.
Search patents in A24C- Granted patents
- 543
- Published applications
- 303
- Assignees
- 133
- Inventors
- 940
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 18 | 0 |
| 1978 | 8 | 0 |
| 1979 | 11 | 0 |
| 1980 | 20 | 0 |
| 1981 | 21 | 0 |
| 1982 | 12 | 0 |
| 1983 | 8 | 0 |
| 1984 | 13 | 0 |
| 1985 | 14 | 0 |
| 1986 | 16 | 0 |
| 1987 | 15 | 0 |
| 1988 | 8 | 0 |
| 1989 | 20 | 0 |
| 1990 | 21 | 0 |
| 1991 | 12 | 0 |
| 1992 | 13 | 0 |
| 1993 | 10 | 0 |
| 1994 | 12 | 0 |
| 1995 | 13 | 0 |
| 1996 | 13 | 0 |
| 1997 | 8 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 11 | 0 |
| 2001 | 6 | 3 |
| 2002 | 11 | 6 |
| 2003 | 5 | 8 |
| 2004 | 8 | 21 |
| 2005 | 4 | 8 |
| 2006 | 9 | 14 |
| 2007 | 7 | 11 |
| 2008 | 2 | 9 |
| 2009 | 5 | 4 |
| 2010 | 6 | 5 |
| 2011 | 4 | 4 |
| 2012 | 3 | 3 |
| 2013 | 3 | 12 |
| 2014 | 3 | 9 |
| 2015 | 9 | 7 |
| 2016 | 7 | 10 |
| 2017 | 10 | 9 |
| 2018 | 5 | 16 |
| 2019 | 12 | 17 |
| 2020 | 7 | 26 |
| 2021 | 19 | 18 |
| 2022 | 25 | 19 |
| 2023 | 19 | 27 |
| 2024 | 14 | 18 |
| 2025 | 12 | 13 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for checking an aerosol-generating article for manufacturing defects4 Aug 2026US 12,696,924 B2Philip Morris Products S. A.
- Arrangement for transversely axially conveying of rod-shaped articles of the tobacco processing industry14 Jul 2026US 12,677,866 B2KöRber Technologies GmbH
- Adaptor devices for use in emissions testing of smoking or vaping products and methods of use7 Jul 2026US 12,672,669 B2Ohio State Innovation Foundation
- Cigarette machine comprising a suction belt conveyor23 Jun 2026US 12,660,846 B2TEWS Elektronik GmbH & Co. KG
- Apparatus and method for aligning rod-shaped aerosol-generating articles16 Jun 2026US 12,653,223 B2Philip Morris Products S. A.
- Aerosol generating article and method of manufacturing aerosol generating article30 Jul 2026US 2026/0215515 A1Kt&G Corporation
- Cannabis Product-Manufacturing Machine4 Jun 2026US 2026/0152306 A1Le Groupe Solid Packaging Robotik Inc.
- On-line crimp control and measurement for tow26 Feb 2026US 2026/0055540 A1Acetate International LLC
- On-line inspection of cellulose acetate tow26 Feb 2026US 2026/0055550 A1Acetate International LLC
- Detection and monitoring of dosage delivery for vaporized waxes, solids or viscous oils, and cannabinoids15 Jan 2026US 2026/0014331 A1Arizona Board of Regents on behalf of Arizona State University
Most cited
By later US patents
- System and method for optically inspecting cigarettes by detecting the lengths of cigarette sections121US 6,075,882 APhilip Morris Incorporated · 2000
- Method of and apparatus for treating accumulations of fibers of tobacco or other smokable material97US 4,878,506 AKorber AG · 1989
- Method and apparatus for pinpointing the causes of malfunction of machines for the manufacture and/or processing of cigarettes or the like87US 4,280,187 AHauni-Werke Korber & Co. KG · 1981
- Control process and apparatus for the production of cigarette filters82US 5,116,298 AIntertaba, S.p.A. · 1992
- Method and apparatus for detecting foreign matter within a layer of tabacco82US 5,476,108 AR. J. Reynolds Tobacco Company · 1995