B29C 65/7457
Comprising a perforating tool
Official title: {comprising a perforating tool}
B29C65/7457 (Comprising a perforating tool) appears on 66 US grants and 71 published applications in this corpus.
Search patents in B29C- Granted patents
- 66
- Published applications
- 71
- Assignees
- 49
- Inventors
- 125
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 3 |
| 2008 | 2 | 6 |
| 2009 | 2 | 7 |
| 2010 | 3 | 1 |
| 2011 | 3 | 3 |
| 2012 | 3 | 1 |
| 2013 | 2 | 3 |
| 2014 | 2 | 4 |
| 2015 | 2 | 5 |
| 2016 | 3 | 4 |
| 2017 | 5 | 7 |
| 2018 | 2 | 4 |
| 2019 | 2 | 3 |
| 2020 | 6 | 3 |
| 2021 | 3 | 3 |
| 2022 | 0 | 0 |
| 2023 | 3 | 2 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tape pasting mechanism with multiple functions of clutch-type synchronous punching, tape pasting and cutting30 Dec 2025US 12,508,777 B2Shenzhen Katop Automation Technology Co., Ltd.
- System and a method for packaging product into separate bags1 Apr 2025US 12,263,982 B2Trivision A/S
- Method and apparatus for making bags12 Sep 2023US 11,752,727 B2CMD Corporation
- Apparatus and method for making inflated articles6 Jun 2023US 11,667,451 B2Sealed Air Corporation (US)
- Welding device and method for welding an outlet element to a packaging material4 Apr 2023US 11,618,219 B2Syntegon Technology GmbH
- Heat seal assembly with perforating teeth for mono-material enclosure and method for sealing the mono-material enclosure18 Jun 2026US 2026/0167371 A1Illinois Tool Works Inc.
- Tape pasting mechanism with multiple functions of clutch-type synchronous punching, tape pasting and cutting30 May 2024US 2024/0173926 A1Shenzhen Katop Automation Technology Co., Ltd.
- Apparatus for Producing Perforated Strings of Separable Packages and Blade for Same1 Feb 2024US 2024/0034505 A1Frito-Lay North America, Inc.
- A system and a method for packaging product into separate bags31 Aug 2023US 2023/0271735 A1Trivision A/S
- Apparatus and method for cutting and joining a sheet element to a container5 Jan 2023US 2023/0001649 A1Sarong Societa' Per Azioni
Most cited
By later US patents
- Method and apparatus for continuously forming and sealing low density polyethylene bags at high speed57US 5,094,657 ACloud Corporation · 1992
- Tear resistant separable end-connected bags43US 4,285,681 AUnion Carbide Corporation · 1981
- Apparatus for making easy open and reclosable bags39US 4,682,976 A1987
- Methods of making thermal seals and perforations36US 6,635,139 B2Pactiv Corporation · 2003
- Apparatus and method for making a reclosable storage bag32US 5,284,002 ASimple Packaging Solutions, Inc. · 1994