B31B 50/22
Notching
Official title: Notching; Trimming edges of flaps
B31B50/22 (Notching) appears on 81 US grants and 71 published applications in this corpus.
Search patents in B31B- Granted patents
- 81
- Published applications
- 71
- Assignees
- 46
- Inventors
- 122
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 2 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 1 | 7 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 7 |
| 2019 | 1 | 2 |
| 2020 | 5 | 6 |
| 2021 | 10 | 9 |
| 2022 | 5 | 7 |
| 2023 | 10 | 3 |
| 2024 | 1 | 7 |
| 2025 | 7 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Converting machine with inversion transfer module1 Sep 2026US 12,722,924 B2Bobst Lyon
- Inversion transfer module for a converting machine28 Apr 2026US 12,612,273 B2Bobst Lyon
- Cutting waste removing device, slotter device, and box making machine25 Nov 2025US 12,479,121 B2Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Skip slot box blanks, boxes and methods of forming the same14 Oct 2025US 12,441,507 B2Georgia-Pacific Corrugated LLC
- Box target2 Sep 2025US 12,405,093 B2
- Flap-cutting device for a converting machine23 Jul 2026US 2026/0208462 A1Bobst Lyon
- Converting machine with inversion transfer module23 Jan 2025US 2025/0026123 A1Bobst Lyon
- Package material manufacturing machine management system7 Nov 2024US 2024/0370884 A1Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Production machine diagnosing system and method, box making machine, and remote monitoring system24 Oct 2024US 2024/0353828 A1Mitsubishi Heavy Industries Machinery Systems, Ltd.
- Cutting waste removing device, slotter device, and box making machine5 Sep 2024US 2024/0293949 A1Mitsubishi Heavy Industries Machinery Systems, Ltd.
Most cited
By later US patents
- Rotary sheet material cutter and creaser41US 3,981,213 A1976
- Device for making cuts in the direction of the advance of pieces of thin material35US 5,775,194 ASasib S.p.A. · 1998
- High speed platen-type die cutter30US 4,767,393 A1988
- Method and apparatus for scoring plastic sheet material26US 4,415,515 A1983
- Method and apparatus for cutting and scoring folding container blanks23US 4,373,929 A1983