B31B 70/812
Applying patches, strips or strings on sheets or webs
Official title: {Applying patches, strips or strings on sheets or webs}
B31B70/812 (Applying patches, strips or strings on sheets or webs) appears on 132 US grants and 153 published applications in this corpus.
Search patents in B31B- Granted patents
- 132
- Published applications
- 153
- Assignees
- 89
- Inventors
- 251
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 2 |
| 2004 | 1 | 15 |
| 2005 | 4 | 7 |
| 2006 | 5 | 7 |
| 2007 | 4 | 6 |
| 2008 | 5 | 1 |
| 2009 | 4 | 9 |
| 2010 | 1 | 7 |
| 2011 | 4 | 19 |
| 2012 | 2 | 3 |
| 2013 | 4 | 4 |
| 2014 | 3 | 5 |
| 2015 | 6 | 6 |
| 2016 | 2 | 7 |
| 2017 | 1 | 3 |
| 2018 | 2 | 5 |
| 2019 | 2 | 4 |
| 2020 | 3 | 8 |
| 2021 | 6 | 5 |
| 2022 | 5 | 7 |
| 2023 | 4 | 6 |
| 2024 | 6 | 8 |
| 2025 | 6 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and machine for manufacturing a flexible envelope-like bag, particularly with reinforcement29 Sep 2026US 12,747,068 B2Holweg Group
- Flexible bag having a convertible bottom, method and machine for manufacturing same25 Aug 2026US 12,715,657 B2Holweg Group
- Counter-pressure roller, an arrangement and a method thereof3 Feb 2026US 12,539,677 B2Tetra Laval Holdings & Finance S. A.
- Phased intermeshing rollers for creating patterns in trash bags21 Oct 2025US 12,448,178 B2The Glad Products Company
- Four side seal packaging bag and preparation device and method thereof16 Sep 2025US 12,415,328 B2Shanghai Zhoutai Light Industry Machinery Manufacturing Co., Ltd.
- Phased intermeshing rollers for creating patterns in trash bags22 Jan 2026US 2026/0021941 A1The Glad Products Company
- Phased intermeshing rollers for creating patterns in trash bags22 Jan 2026US 2026/0021942 A1The Glad Products Company
- Expanded Slit Sheet Cushioning Product with Novel Reduced-Dimension Slit Patterns11 Dec 2025US 2025/0376311 A1HexcelPack, LLC
- Envelope and release cover formed from common substrate25 Sep 2025US 2025/0296740 A1Pregis LLC
- Envelope having a closing flap, method and machine for manufacturing such an envelope27 Feb 2025US 2025/0065590 A1Holweg Group
Most cited
By later US patents
- Apparatus for making reusable adhesive envelopes99US 5,429,576 AWinkler & Dunnebier · 1995
- Method of and means for making reclosable bag material, and material produced thereby97US 4,666,536 ASignode Corporation · 1987
- Package having re-sealable end closure and method for making same78US 6,502,986 B1Sonoco Development, Inc. · 2003
- Collapsible bag with evacuation passageway and method for making the same61US 4,998,990 AThe Coca-Cola Company · 1991
- Tamper-evident sealing system for envelope and method of making same58US 5,391,136 A1995