B32B 2307/31
Heat sealable
B32B2307/31 (Heat sealable) appears on 1,942 US grants and 2,717 published applications in this corpus.
Search patents in B32B- Granted patents
- 1,942
- Published applications
- 2,717
- Assignees
- 971
- Inventors
- 5,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 13 | 0 |
| 1978 | 16 | 0 |
| 1979 | 9 | 0 |
| 1980 | 20 | 0 |
| 1981 | 36 | 0 |
| 1982 | 24 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 22 | 0 |
| 1986 | 29 | 0 |
| 1987 | 43 | 0 |
| 1988 | 28 | 0 |
| 1989 | 25 | 0 |
| 1990 | 26 | 0 |
| 1991 | 22 | 0 |
| 1992 | 17 | 0 |
| 1993 | 9 | 0 |
| 1994 | 19 | 0 |
| 1995 | 23 | 0 |
| 1996 | 22 | 0 |
| 1997 | 17 | 0 |
| 1998 | 26 | 0 |
| 1999 | 17 | 0 |
| 2000 | 18 | 0 |
| 2001 | 14 | 6 |
| 2002 | 9 | 9 |
| 2003 | 16 | 16 |
| 2004 | 11 | 37 |
| 2005 | 9 | 66 |
| 2006 | 12 | 83 |
| 2007 | 21 | 80 |
| 2008 | 20 | 33 |
| 2009 | 25 | 83 |
| 2010 | 24 | 95 |
| 2011 | 34 | 95 |
| 2012 | 53 | 92 |
| 2013 | 40 | 75 |
| 2014 | 57 | 88 |
| 2015 | 59 | 75 |
| 2016 | 54 | 111 |
| 2017 | 56 | 131 |
| 2018 | 63 | 146 |
| 2019 | 82 | 173 |
| 2020 | 111 | 181 |
| 2021 | 108 | 198 |
| 2022 | 115 | 186 |
| 2023 | 120 | 181 |
| 2024 | 122 | 222 |
| 2025 | 108 | 144 |
| 2026 | 83 | 111 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for diffusing volatile substances and method for its manufacturing6 Oct 2026US 12,752,030 B2Zobele Holding SPA
- Polylactide formulation for improved extrusion processing6 Oct 2026US 12,753,555 B2WestRock MWV, LLC
- Waterproofing membrane with mineral binder component29 Sep 2026US 12,746,737 B2Sika Technology AG
- Compositions, multilayer films formed from such compositions, and articles22 Sep 2026US 12,742,066 B2Dow Global Technologies LLC
- Resin composition, polyurethane adhesive agent, and layered product22 Sep 2026US 12,742,099 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Barrier-coated fibrous cellulose substrate and laminated packaging material8 Oct 2026US 2026/0307380 A1Tetra Laval Holdings & Finance S. A.
- Multilayer film structures and packages comprising the same24 Sep 2026US 2026/0285567 A1NOVA Chemicals (International) S.A.
- Packaging material for power storage device, method of producing same, and power storage device17 Sep 2026US 2026/0273898 A1Dai Nippon Printing Co.Ltd.
- Barrier-coated cellulose-based substrate, laminated packaging material and packaging container comprising the cellulose-based substrate17 Sep 2026US 2026/0274535 A1Tetra Laval Holdings & Finance S. A.
- Laminate and packaging container17 Sep 2026US 2026/0274540 A1Toyo Seikan Co., Ltd.
Most cited
By later US patents
- Sealable polyolefin films containing very low density ethylene copolymers315US 5,206,075 AExxon Chemical Patents Inc. · 1993
- Headgear for masks216US 8,950,404 B2ResMed Limited · 2015
- Elastic laminate web208US 6,830,800 B2The Procter & Gamble Company · 2004
- Heat sealable blend of very low density polyethylene or plastomer with polypropylene based polymers and heat sealable film and articles made thereof179US 5,358,792 AExxon Chemical Patents Inc. · 1994
- Thermoplastic planks and methods for making the same160US 8,021,741 B2Mannington Mills, Inc. · 2011