B65D 47/2031
The element being formed by a slit, narrow opening or constrictable spout
Official title: {the element being formed by a slit, narrow opening or constrictable spout, the size of the outlet passage being able to be varied by increasing or decreasing the pressure (B65D47/2025 takes precedence)}
B65D47/2031 (The element being formed by a slit, narrow opening or constrictable spout) appears on 592 US grants and 604 published applications in this corpus.
Search patents in B65D- Granted patents
- 592
- Published applications
- 604
- Assignees
- 300
- Inventors
- 977
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 6 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 23 | 0 |
| 2000 | 26 | 0 |
| 2001 | 21 | 3 |
| 2002 | 13 | 18 |
| 2003 | 9 | 13 |
| 2004 | 12 | 12 |
| 2005 | 6 | 21 |
| 2006 | 10 | 26 |
| 2007 | 11 | 21 |
| 2008 | 2 | 28 |
| 2009 | 8 | 23 |
| 2010 | 11 | 17 |
| 2011 | 13 | 20 |
| 2012 | 9 | 25 |
| 2013 | 20 | 28 |
| 2014 | 31 | 33 |
| 2015 | 22 | 27 |
| 2016 | 21 | 27 |
| 2017 | 34 | 38 |
| 2018 | 16 | 47 |
| 2019 | 39 | 37 |
| 2020 | 37 | 26 |
| 2021 | 28 | 22 |
| 2022 | 20 | 29 |
| 2023 | 19 | 10 |
| 2024 | 12 | 18 |
| 2025 | 11 | 21 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dispensing valve15 Sep 2026US 12,735,232 B2AptarGroup, Inc.
- Ergonomic squeezable pulp bottle8 Sep 2026US 12,729,053 B2The Procter & Gamble Company
- Liquid dispenser for an inverted container21 Jul 2026US 12,686,537 B2The Procter & Gamble Company
- Vertical-feed personal hydration system14 Jul 2026US 12,679,609 B2BruMate, Inc.
- Drinking container with multi-position valve9 Jun 2026US 12,649,612 B2Munchkin, Inc.
- Layered sippy cups8 Oct 2026US 2026/0305852 A1Wow Gear LLC
- Flavor enhancing condiment dispenser1 Oct 2026US 2026/0296728 A1Seriously Spicy Foods LLC
- Flexible object expansion device control system and flexible object expansion device17 Sep 2026US 2026/0273608 A1Honda Motor Co., Ltd.
- Liquid dispenser for an inverted container17 Sep 2026US 2026/0274526 A1The Procter & Gamble Company
- Squeezable fiber-based bottle with a personal care composition20 Aug 2026US 2026/0242098 A1The Procter & Gamble Company
Most cited
By later US patents
- Flexible container including self-sealing dispensing valve to provide automatic shut-off and leak resistant inverted storage266US 4,728,006 AThe Procter & Gamble Company · 1988
- Table top drug dispensing vial access adapter264US 6,997,917 B2Bracco Diagnostics Inc. · 2006
- Dispensing valve for packaging194US 5,213,236 ALiquid Molding Systems, Inc. · 1993
- Vial access adapter and vial combination184US 6,544,246 B1Bracco Diagnostics Inc. · 2003
- Drink bottles with bite-actuated mouthpieces181US 7,533,783 B2CamelBak Products, LLC · 2009