B31B 70/82
Forming or attaching windows
B31B70/82 (Forming or attaching windows) appears on 43 US grants and 52 published applications in this corpus.
Search patents in B31B- Granted patents
- 43
- Published applications
- 52
- Assignees
- 38
- Inventors
- 83
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 2 | 6 |
| 2009 | 2 | 1 |
| 2010 | 0 | 2 |
| 2011 | 1 | 7 |
| 2012 | 2 | 3 |
| 2013 | 3 | 2 |
| 2014 | 0 | 3 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 1 |
| 2018 | 0 | 3 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 2 |
| 2025 | 0 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Recyclable compostable paper bag2 Jun 2026US 12,643,302 B2The Paper People LLC
- Method for preparing a paper web with a composite paper mesh for use to produce bags, and composite paper mesh31 Dec 2024US 12,179,959 B2Cristobal Meseguer, S.A.
- Recyclable compostable paper bag13 Feb 2024US 11,897,226 B2The Paper People LLC
- Flexible packaging structure with a built-in opening and reclose feature7 Nov 2023US 11,807,438 B2Sonoco Development, Inc.
- Method for making windowed packaging material21 Sep 2021US 11,123,942 B2JASA Group B.V.
- Process for making a recyclable compostable paper bag17 Sep 2026US 2026/0273885 A1The Paper People LLC
- Recyclable compostable paper bag17 Sep 2026US 2026/0273886 A1The Paper People LLC
- Flexible paper-polymer multilayer package, preferably for dried food products12 Dec 2024US 2024/0409287 A1Barilla G. e R. Fratelli S.p.A.
- Recyclable compostable paper bag25 Apr 2024US 2024/0131814 A1The Paper People LLC
- Method for Preparing a Paper Web With a Composite Paper Mesh for Use to Produce Bags, and Composite Paper Mesh7 Sep 2023US 2023/0278755 A1Cristobal Meseguer, S.A.
Most cited
By later US patents
- Machinery for patching envelopes and the like63US 3,957,570 AF. L. Smithe Machine Company, Inc. · 1976
- Process for making windowed form, fill and seal bags34US 5,410,857 AVitex Packaging, Inc. · 1995
- Apparatus for making window patches30US 4,642,085 AF. L. Smithe Machine Company, Inc. · 1987
- Queue-based bag forming system and method26US 7,115,086 B1Automated Solutions, LLC · 2006
- Holder for a panel cutting plate25US 4,823,659 ARofalex International Inc. · 1989