B67D 7/3227
Relating to venting of a container during loading or unloading
Official title: {relating to venting of a container during loading or unloading}
B67D7/3227 (Relating to venting of a container during loading or unloading) appears on 47 US grants and 43 published applications in this corpus.
Search patents in B67D- Granted patents
- 47
- Published applications
- 43
- Assignees
- 37
- Inventors
- 92
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 3 | 2 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 3 |
| 2016 | 1 | 2 |
| 2017 | 1 | 3 |
| 2018 | 2 | 3 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 7 | 1 |
| 2022 | 3 | 5 |
| 2023 | 5 | 4 |
| 2024 | 1 | 2 |
| 2025 | 5 | 4 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vent system26 May 2026US 12,637,228 B2Airbus Operations GmbH
- Apparatus for coupling pressurized water supply to recreational vehicle fresh water fill port5 May 2026US 12,617,668 B2
- Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle10 Mar 2026US 12,570,517 B2
- Refilling systems, refillable containers and method for refilling containers18 Nov 2025US 12,473,191 B2GOJO Industries, Inc.
- Pressure/vacuum (PV) valve for fuel storage tanks, in-line pressure-vacuum valve test unit, and combination thereof19 Aug 2025US 12,391,540 B2Vapor Systems Technologies, Inc.
- Apparatus for Coupling Pressurized Water Supply to Recreational Vehicle Fresh Water Fill Port19 Mar 2026US 2026/0077996 A1
- Follower plate15 May 2025US 2025/0153997 A1Atlas Copco IAS GmbH
- Liquid containers having a vent structure promoting improved liquid dispensing17 Apr 2025US 2025/0121993 A1
- Vent system27 Feb 2025US 2025/0066034 A1Airbus Operations GmbH
- Apparatus and method for monitoring fluid or material transfer into a receiving tank or receptacle9 Jan 2025US 2025/0011155 A1
Most cited
By later US patents
- Dual valve tank venting system68US 5,687,778 AStant Manufacturing Inc. · 1997
- Protective device for storage tanks38US 4,109,677 A1978
- Apparatus and method for use with a container for storing a substance27US 6,527,002 B12003
- Membrane and sensor for underground tank venting system13US 6,644,360 B1Gilbarco Inc. · 2003
- Fluid storage and dispensing systems and processes11US 9,079,758 B2Advanced Technology Materials, Inc. · 2015