B65D 88/1668
Closures for top or bottom openings
Official title: {closures for top or bottom openings}
B65D88/1668 (Closures for top or bottom openings) appears on 148 US grants and 109 published applications in this corpus.
Search patents in B65D- Granted patents
- 148
- Published applications
- 109
- Assignees
- 93
- Inventors
- 231
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 4 | 5 |
| 2003 | 4 | 4 |
| 2004 | 2 | 7 |
| 2005 | 4 | 5 |
| 2006 | 2 | 7 |
| 2007 | 3 | 3 |
| 2008 | 1 | 4 |
| 2009 | 3 | 5 |
| 2010 | 2 | 3 |
| 2011 | 1 | 3 |
| 2012 | 1 | 4 |
| 2013 | 1 | 1 |
| 2014 | 4 | 2 |
| 2015 | 3 | 6 |
| 2016 | 5 | 4 |
| 2017 | 2 | 3 |
| 2018 | 2 | 6 |
| 2019 | 3 | 3 |
| 2020 | 3 | 9 |
| 2021 | 7 | 5 |
| 2022 | 5 | 3 |
| 2023 | 6 | 5 |
| 2024 | 6 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stitchless bulk bag with heat fused seams and method of production17 Feb 2026US 12,552,109 B2Ameriglobe, LLC
- Lift loop assembly test process and apparatus10 Jun 2025US 12,325,580 B1Ameriglobe, LLC
- Bulk material receiving, conveying, storing, and dispensing20 May 2025US 12,304,725 B2Owens-Brockway Glass Container Inc.
- Flexible intermediate bulk container with collection skirt22 Oct 2024US 12,122,591 B2Andax Industries, L.L.C.
- Bulk bag bottom and discharge assembly including a reinforcer6 Aug 2024US 12,054,336 B1Ameriglobe, LLC
- Bags for dry powder transportation with a fluidization system29 Jan 2026US 2026/0028175 A1Braskem S/A
- Soft-Sided Bulk Material Containers with Hold-Ins8 Jan 2026US 2026/0008571 A1I . C.E. Packaging Company, LLC
- Transfer adapter for connecting a bag to a container and process of establishing a transfer connection20 Nov 2025US 2025/0353634 A1Lugaia AG
- Flexible intermediate bulk container with collection skirt6 Feb 2025US 2025/0042649 A1Andax Industries, L.L.C.
- Collapsible, reusable bulk solid container9 Jan 2025US 2025/0011074 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Collapsible receptacle for flowable materials89US 4,194,652 ASuper Sack Manufacturing Corporation · 1980
- Bulk material containers78US 3,961,655 A1976
- Bulk containers78US 4,010,784 A1977
- Disposable container for bulk materials72US 4,113,146 ABetter Agricultural Goals Corporation · 1978
- Collapsible receptacle for flowable materials67US 4,143,796 ASuper Sack Manufacturing Corporation · 1979