B31B 70/872
Forming integral handles on bags
Official title: {Forming integral handles on bags}
B31B70/872 (Forming integral handles on bags) appears on 59 US grants and 52 published applications in this corpus.
Search patents in B31B- Granted patents
- 59
- Published applications
- 52
- Assignees
- 46
- Inventors
- 103
- Latest grant
- 4 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 2 |
| 2010 | 2 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 7 |
| 2013 | 1 | 2 |
| 2014 | 4 | 1 |
| 2015 | 1 | 2 |
| 2016 | 0 | 5 |
| 2017 | 1 | 5 |
| 2018 | 2 | 3 |
| 2019 | 4 | 4 |
| 2020 | 1 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 2 |
| 2024 | 4 | 2 |
| 2025 | 1 | 1 |
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
- Reclosable bag and method to make same15 Oct 2024US 12,116,171 B2Poly-America, L. P.
- 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
- Roll of separable bags and method of manufacture23 Jul 2024US 12,043,450 B2Inteplast Group Corporation
- T-shirt bag for positioning device and method for manufacturing t-shirt bag26 Mar 2024US 11,939,113 B2Niverplast Holding B.V.
- Waste collection bag21 Aug 2025US 2025/0263228 A1
- Bag, method and device for producing a bag21 Mar 2024US 2024/0092536 A1Windmoller & Holscher
- Roll of separable bags and method of manufacture29 Feb 2024US 2024/0067407 A1Inteplast Group Corporation
- 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
- Reclosable bag and method to make same2 Feb 2023US 2023/0035719 A1Poly-America, L. P.
Most cited
By later US patents
- Process of making T-shirt bags39US 4,759,742 AWindmoller & Holscher · 1988
- Bags made of a thermoplastic synthetic resin sheeting and process for the production of said bags39US 4,925,438 AStiegler GmbH Maschinenfabrik · 1990
- Method for gas filling of a handle portion of a container37US 8,181,428 B2Ecolean Research & Development A/S · 2012
- Method and device for gas filling and sealing of a duct intended to be filled with gas and positioned in a container of a collapsible type, and container blank comprising such a duct31US 8,662,751 B2Ecolean AB · 2014
- Method of making bags27US 4,164,170 ARimbo Tekniska Fabrik Rimpac AB · 1979