B65D 85/808
For immersion in the liquid to release part or all of their
Official title: for immersion in the liquid {to release part or all of their contents}, e.g. tea bags
B65D85/808 (For immersion in the liquid to release part or all of their) appears on 271 US grants and 388 published applications in this corpus.
Search patents in B65D- Granted patents
- 271
- Published applications
- 388
- Assignees
- 143
- Inventors
- 604
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 9 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 12 | 0 |
| 1998 | 2 | 0 |
| 1999 | 10 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 4 |
| 2002 | 3 | 7 |
| 2003 | 2 | 14 |
| 2004 | 8 | 17 |
| 2005 | 2 | 11 |
| 2006 | 7 | 9 |
| 2007 | 5 | 13 |
| 2008 | 3 | 13 |
| 2009 | 2 | 8 |
| 2010 | 6 | 10 |
| 2011 | 2 | 8 |
| 2012 | 4 | 9 |
| 2013 | 4 | 15 |
| 2014 | 7 | 27 |
| 2015 | 5 | 23 |
| 2016 | 8 | 24 |
| 2017 | 12 | 34 |
| 2018 | 12 | 16 |
| 2019 | 15 | 28 |
| 2020 | 20 | 25 |
| 2021 | 13 | 18 |
| 2022 | 13 | 11 |
| 2023 | 10 | 12 |
| 2024 | 9 | 16 |
| 2025 | 5 | 11 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Nonwoven fabric; pouched product and related methods14 Apr 2026US 12,601,093 B2Nonwovenn Ltd
- Fruit flavoring in the image of a fruit portion for introduction into a vessel for flavoring a liquid17 Feb 2026US 12,550,919 B2
- Hot beverage brewing aid17 Feb 2026US 12,552,598 B2
- Nonwoven pouch comprising heat sealable binder fiber3 Feb 2026US 12,538,943 B2R. J. Reynolds Tobacco Company
- Drip bag3 Feb 2026US 12,540,026 B2Ohki Co., Ltd.
- Brewing bag1 Oct 2026US 2026/0296771 A1
- Nonwoven pouch comprising heat sealable binder fiber20 Aug 2026US 2026/0240234 A1R. J. Reynolds Tobacco Company
- Nonwoven fabric; pouched product and related methods18 Jun 2026US 2026/0168146 A1Nonwovenn Ltd
- System and process for preparing a cold brewed beverage5 Mar 2026US 2026/0060468 A1Bean Lab LLC
- Fruit flavoring in the image of a fruit portion for introduction into a vessel for flavoring a liquid5 Feb 2026US 2026/0033518 A1
Most cited
By later US patents
- Water-insoluble, water-permeable bag having a water-soluble or water-dispersable protective layer and containing a particulate detergent composition93US 4,348,293 ALever Brothers Company · 1982
- Filter material82US 5,601,716 APAPCEL - Papier und Cellulose Technologie-und Handels-GmbH · 1997
- Disposable apparatus for brewing a beverage such as coffee72US 3,935,318 A1976
- Detergent products, methods and manufacture59US 7,125,828 B2The Procter & Gamble Company · 2006
- Beverage infusion device and method55US 5,047,252 ANestec S. A. · 1991