B31B 70/874
Involving punching or cutting
Official title: {involving punching or cutting}
B31B70/874 (Involving punching or cutting) appears on 69 US grants and 58 published applications in this corpus.
Search patents in B31B- Granted patents
- 69
- Published applications
- 58
- Assignees
- 36
- Inventors
- 101
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 5 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 2 |
| 2011 | 0 | 2 |
| 2012 | 1 | 5 |
| 2013 | 1 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 9 |
| 2016 | 3 | 6 |
| 2017 | 2 | 3 |
| 2018 | 2 | 3 |
| 2019 | 4 | 4 |
| 2020 | 3 | 5 |
| 2021 | 2 | 1 |
| 2022 | 5 | 3 |
| 2023 | 1 | 1 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Panel for a flexible package4 Feb 2025US 12,214,948 B2Positive Packaging United (ME) FZCO
- Multi-film thermoplastic bags having grab zones secured to sidewalls via selfing and methods of making the same1 Oct 2024US 12,103,738 B2The Glad Products Company
- T-shirt bag for positioning device and method for manufacturing t-shirt bag26 Mar 2024US 11,939,113 B2Niverplast Holding B.V.
- Flexible material packages21 Feb 2023US 11,584,578 B2Ica S.P.A.
- Self opening bag pack, apparatus and method of making same18 Oct 2022US 11,472,147 B2
- Bag, method and device for producing a bag21 Mar 2024US 2024/0092536 A1Windmoller & Holscher
- Bag, method and device for producing a bag18 Jan 2024US 2024/0017886 A1Windmoller & Holscher
- Multi-film thermoplastic bags having grab zones secured to sidewalls via selfing and methods of making the same25 May 2023US 2023/0159230 A1The Glad Products Company
- T-shirt bag for positioning device and method for manufacturing t-shirt bag18 Aug 2022US 2022/0258923 A1Niverplast Holding B.V.
- Rock bag16 Jun 2022US 2022/0185557 A1
Most cited
By later US patents
- Self-supporting polymer bag and method of manufacture165US 5,158,371 A1992
- Dies for manufacturing a pack of self-opening bags42US 5,670,013 ADurabag Co., Inc. · 1997
- Shrink bag with integral handle36US 4,555,025 AW. R. Grace & Co., Cryovac Div. · 1985
- Bag and method of manufacturing the same34US 4,721,396 A1988
- Apparatus and method for forming handles in plastic bags27US 5,935,367 ATenneco Packaging · 1999