B31B 70/876
Involving application of reinforcement strips or patches
Official title: {involving application of reinforcement strips or patches; involving reinforcements obtained by folding}
B31B70/876 (Involving application of reinforcement strips or patches) appears on 44 US grants and 36 published applications in this corpus.
Search patents in B31B- Granted patents
- 44
- Published applications
- 36
- Assignees
- 34
- Inventors
- 76
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 6 |
| 2013 | 1 | 4 |
| 2014 | 3 | 1 |
| 2015 | 5 | 5 |
| 2016 | 1 | 1 |
| 2017 | 3 | 4 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 2 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Reinforced paper bag23 Sep 2025US 12,420,987 B1
- Panel for a flexible package4 Feb 2025US 12,214,948 B2Positive Packaging United (ME) FZCO
- T-shirt bag for positioning device and method for manufacturing t-shirt bag26 Mar 2024US 11,939,113 B2Niverplast Holding B.V.
- Method for manufacturing a packaging material, a packaging material, and a packaging22 Mar 2022US 11,279,524 B2Silbo Sp. Z O.O.
- Bag with handle22 Mar 2022US 11,279,525 B2Future Flex Co., Ltd.
- Pouch-type bag made of paper as well as method and apparatus for producing a pouch-type bag made of paper9 May 2024US 2024/0150083 A1Windmoller & Holscher
- T-shirt bag for positioning device and method for manufacturing t-shirt bag18 Aug 2022US 2022/0258923 A1Niverplast Holding B.V.
- A panel for a flexible package31 Mar 2022US 2022/0097942 A1Positive Packaging United (ME) FZCO
- Method for manufacturing a packaging material, a packaging material and a packaging2 Jan 2020US 2020/0002059 A1Silbo Sp. Z O.O.
- Bag With Handle And Method For Manufacture Thereof26 Dec 2019US 2019/0389627 A1Future Flex Co., Ltd.
Most cited
By later US patents
- Method of producing an internally reinforced thermoplastic film and film and articles produced therefrom123US 4,592,938 AMobil Oil Corporation · 1986
- Reclosable pouch with reinforced handle52US 6,053,635 APac One, Inc. · 2000
- Plastic bag construction45US 4,931,033 AEquitable Bag Co., Inc. · 1990
- Plastic shopping bag having a reinforced handle portion36US 4,125,220 A1978
- Bag with closeable flap and method of manufacturing same36US 4,790,670 APoly-Pak Industries, Inc. · 1988