B65D 81/3261
Flexible containers having several compartments
Official title: {Flexible containers having several compartments}
B65D81/3261 (Flexible containers having several compartments) appears on 558 US grants and 637 published applications in this corpus.
Search patents in B65D- Granted patents
- 558
- Published applications
- 637
- Assignees
- 351
- Inventors
- 1,284
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 5 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 9 | 0 |
| 1992 | 6 | 0 |
| 1993 | 12 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 20 | 0 |
| 2000 | 13 | 0 |
| 2001 | 16 | 7 |
| 2002 | 12 | 19 |
| 2003 | 15 | 29 |
| 2004 | 13 | 28 |
| 2005 | 17 | 19 |
| 2006 | 12 | 24 |
| 2007 | 11 | 30 |
| 2008 | 7 | 26 |
| 2009 | 13 | 29 |
| 2010 | 10 | 30 |
| 2011 | 20 | 34 |
| 2012 | 11 | 12 |
| 2013 | 9 | 28 |
| 2014 | 14 | 27 |
| 2015 | 19 | 23 |
| 2016 | 18 | 25 |
| 2017 | 17 | 32 |
| 2018 | 23 | 45 |
| 2019 | 25 | 29 |
| 2020 | 24 | 37 |
| 2021 | 20 | 24 |
| 2022 | 17 | 20 |
| 2023 | 21 | 16 |
| 2024 | 12 | 17 |
| 2025 | 11 | 17 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flexible pouch having a nozzle11 Aug 2026US 12,703,554 B1
- Multi-compartment oral pouched product2 Jun 2026US 12,642,292 B2Nicoventures Trading Limited
- Aquatic plants mixing pack28 Apr 2026US 12,612,235 B2GreenOnyx LTD
- Packaged consumer product with preservative generation system21 Apr 2026US 12,605,017 B2The Procter & Gamble Company
- Bag, method, and machine for producing a foam-in-bag dunnage material13 Jan 2026US 12,522,417 B2Storopack Hans Reichenecker GmbH
- Multi-compartment pouch apparatus and methods of manufacture24 Sep 2026US 2026/0285574 A1ALUBaby Inc.
- Multi-purpose recyclable dual-pouch system with optional integrated temperature monitoring and optional one-way valve3 Sep 2026US 2026/0257851 A1
- Water-soluble pouch cutting23 Apr 2026US 2026/0109523 A1The Procter & Gamble Company
- Water-soluble pouches23 Apr 2026US 2026/0109918 A1The Procter & Gamble Company
- Self-contained cleaning system16 Apr 2026US 2026/0101982 A1WR Capital Holdings LLC
Most cited
By later US patents
- Forming in situ a composition consisting of two separately packaged constituents and dispensing assembly for carrying out this process254US 4,823,985 AL'oreal · 1989
- Automatic sealing closure means for closing off a passage in a flexible cuvette195US 5,154,888 AEastman Kodak Company · 1992
- Filled and sealed, self-contained mixing container187US 5,114,004 AMaterial Engineering Technology Laboratory, Incorporated · 1992
- Compartmented flexible solution container177US 4,458,811 AAbbott Laboratories · 1984
- Flexible package for bone cement components152US 5,370,221 ABiomet, Inc. · 1994