B65D 81/3897
Formed of different materials
Official title: {formed of different materials, e.g. laminated or foam filling between walls}
B65D81/3897 (Formed of different materials) appears on 207 US grants and 275 published applications in this corpus.
Search patents in B65D- Granted patents
- 207
- Published applications
- 275
- Assignees
- 115
- Inventors
- 439
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 4 |
| 2004 | 1 | 6 |
| 2005 | 2 | 7 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 1 | 5 |
| 2009 | 0 | 10 |
| 2010 | 2 | 4 |
| 2011 | 3 | 3 |
| 2012 | 3 | 7 |
| 2013 | 1 | 10 |
| 2014 | 3 | 2 |
| 2015 | 4 | 4 |
| 2016 | 2 | 8 |
| 2017 | 4 | 12 |
| 2018 | 13 | 23 |
| 2019 | 8 | 26 |
| 2020 | 13 | 22 |
| 2021 | 20 | 20 |
| 2022 | 15 | 21 |
| 2023 | 20 | 22 |
| 2024 | 15 | 23 |
| 2025 | 10 | 22 |
| 2026 | 10 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and machine for manufacturing a flexible envelope-like bag, particularly with reinforcement29 Sep 2026US 12,747,068 B2Holweg Group
- System to hold multiple beverage containers22 Sep 2026US 12,741,802 B22Surv, Inc.
- System to hold multiple beverage containers22 Sep 2026US 12,741,803 B22Surv, Inc.
- System to hold multiple beverage containers8 Sep 2026US 12,729,051 B22Surv, Inc.
- Insulating device11 Aug 2026US 12,704,306 B2YETI Coolers, LLC
- Insulated and heated glove bag for powerline workers8 Oct 2026US 2026/0307881 A1
- Resealable Closure for a Container1 Oct 2026US 2026/0294062 A1YETI Coolers, LLC
- Structure of packaging bag10 Sep 2026US 2026/0264956 A11teck Automation Technology Co., Ltd.
- Re-pulpable insulated paper products and methods of making and using the same25 Jun 2026US 2026/0175553 A1Astra Thermal Sciences LLC
- Flexible bag body and cooler bag26 Mar 2026US 2026/0084886 A1Zhejiang Natural Outdoor Goods Inc.
Most cited
By later US patents