B31B 50/146
Using tools mounted on a drum
Official title: {using tools mounted on a drum}
B31B50/146 (Using tools mounted on a drum) appears on 101 US grants and 111 published applications in this corpus.
Search patents in B31B- Granted patents
- 101
- Published applications
- 111
- Assignees
- 70
- Inventors
- 176
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 0 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 3 |
| 2005 | 2 | 4 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 1 |
| 2012 | 3 | 5 |
| 2013 | 0 | 2 |
| 2014 | 2 | 7 |
| 2015 | 2 | 5 |
| 2016 | 2 | 3 |
| 2017 | 0 | 7 |
| 2018 | 3 | 16 |
| 2019 | 10 | 5 |
| 2020 | 7 | 4 |
| 2021 | 8 | 5 |
| 2022 | 6 | 8 |
| 2023 | 8 | 4 |
| 2024 | 4 | 10 |
| 2025 | 8 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Apparatus for producing frustoconical barrel bodies made of paper and method9 Apr 2026US 2026/0097572 A1Imballaggi Invernizzi S.På.
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Most cited
By later US patents
- Slit-score method and apparatus56US 4,596,541 AThe Ward Machinery Company · 1986
- Method and apparatus for slitting and scoring corrugated paperboard sheets for folding44US 5,690,601 AMarquip, Inc. · 1997
- Corrugated board container and method of making the same32US 5,944,252 AConnelly Containers, Inc. · 1999
- Opening cutter assembly for having opening perforation line on plastic packaging film32US 8,312,797 B2Chan Li Machinery Co., Ltd. · 2012
- Process and device for preparing a packaging blank and packaging prepared by such blank31US 6,234,943 B1Philip Morris Incorporated · 2001