B65D 81/20
Under vacuum or superatmospheric pressure, or in a special atmosphere
Official title: under vacuum or superatmospheric pressure, or in a special atmosphere, e.g. of inert gas {(B65D81/28 takes precedence; containers with pressurising means for maintaining ball pressure A63B39/025)}
B65D81/20 (Under vacuum or superatmospheric pressure, or in a special atmosphere) appears on 1,257 US grants and 1,838 published applications in this corpus.
Search patents in B65D- Granted patents
- 1,257
- Published applications
- 1,838
- Assignees
- 863
- Inventors
- 2,883
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 1 | 0 |
| 1983 | 5 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 10 | 0 |
| 1993 | 8 | 0 |
| 1994 | 15 | 0 |
| 1995 | 14 | 0 |
| 1996 | 25 | 0 |
| 1997 | 22 | 0 |
| 1998 | 22 | 0 |
| 1999 | 35 | 0 |
| 2000 | 25 | 0 |
| 2001 | 24 | 5 |
| 2002 | 19 | 28 |
| 2003 | 20 | 57 |
| 2004 | 20 | 66 |
| 2005 | 11 | 99 |
| 2006 | 21 | 79 |
| 2007 | 22 | 72 |
| 2008 | 23 | 94 |
| 2009 | 33 | 65 |
| 2010 | 32 | 55 |
| 2011 | 31 | 65 |
| 2012 | 36 | 61 |
| 2013 | 26 | 59 |
| 2014 | 37 | 47 |
| 2015 | 37 | 72 |
| 2016 | 49 | 74 |
| 2017 | 40 | 85 |
| 2018 | 49 | 101 |
| 2019 | 71 | 121 |
| 2020 | 60 | 86 |
| 2021 | 70 | 91 |
| 2022 | 63 | 95 |
| 2023 | 55 | 79 |
| 2024 | 70 | 69 |
| 2025 | 43 | 65 |
| 2026 | 29 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Heart valve storage and shipping packaging6 Oct 2026US 12,751,811 B2Medtronic, Inc.
- Systems methods devices assemblies and apparatuses for vacuumed storage6 Oct 2026US 12,752,998 B2
- Sliced rare, medium rare and medium cooked roast beef in modified atmosphere packaging29 Sep 2026US 12,747,051 B2Cargill, Incorporated
- Hot fill container with wavy groove29 Sep 2026US 12,747,060 B2The Coca-Cola Company
- Heat preservation appliance15 Sep 2026US 12,735,241 B2Jiangmen Nanguang Electrical Appliance Industrial Co., Ltd.
- Systems, devices, and methods for transport and storage of air-sensitive materials24 Sep 2026US 2026/0285561 A1Tae Technologies, Inc.
- Vacuum sealing bag24 Sep 2026US 2026/0285573 A1Guangdong Willing Technology Corporation
- Sealing cap for container sealing and mason jar17 Sep 2026US 2026/0274546 A1Senhexin (Shenzhen) Technology Co., Ltd.
- Airtight bread storage device10 Sep 2026US 2026/0264961 A1
- Cordless vacuum sealer3 Sep 2026US 2026/0257849 A1Whirlpool Corporation
Most cited
By later US patents
- Apparatus for packaging contaminant-sensitive articles and resulting package548US 5,724,748 A1998
- Container for vacuum storing and/or shipping silicon wafers346US 4,886,162 ASGS-Thomson Microelectronics S.A. · 1989
- Method and apparatus for packaging and shipping horticultural products including cut flowers134US 6,050,412 AThe SunBlush Technologies Corporation · 2000
- Packages and methods for processing food products121US 7,205,016 B2SafeFresh Technologies, LLC · 2007
- Controlled atmosphere package107US 4,842,875 AHercules Incorporated · 1989