B67D 7/54
With means for preventing escape of liquid or vapour or for recovering
Official title: with means for preventing escape of liquid or vapour or for recovering escaped liquid or vapour (B67D7/44 takes precedence)
B67D7/54 (With means for preventing escape of liquid or vapour or for recovering) appears on 318 US grants and 142 published applications in this corpus.
Search patents in B67D- Granted patents
- 318
- Published applications
- 142
- Assignees
- 107
- Inventors
- 330
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 20 | 0 |
| 1978 | 12 | 0 |
| 1979 | 9 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 6 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 18 | 0 |
| 1994 | 16 | 0 |
| 1995 | 15 | 0 |
| 1996 | 4 | 0 |
| 1997 | 10 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 6 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 3 |
| 2003 | 2 | 2 |
| 2004 | 4 | 1 |
| 2005 | 8 | 11 |
| 2006 | 8 | 4 |
| 2007 | 3 | 4 |
| 2008 | 2 | 2 |
| 2009 | 1 | 4 |
| 2010 | 3 | 4 |
| 2011 | 2 | 6 |
| 2012 | 2 | 5 |
| 2013 | 10 | 8 |
| 2014 | 6 | 11 |
| 2015 | 4 | 2 |
| 2016 | 8 | 5 |
| 2017 | 5 | 22 |
| 2018 | 5 | 16 |
| 2019 | 22 | 9 |
| 2020 | 14 | 8 |
| 2021 | 9 | 2 |
| 2022 | 4 | 4 |
| 2023 | 7 | 7 |
| 2024 | 5 | 0 |
| 2025 | 1 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic vaporiser system28 Jul 2026US 12,690,610 B2Ayr Ltd.
- Hydrogen liquefaction and recirculation for vehicle refueling16 Jun 2026US 12,655,010 B1Neoex Systems, Inc.
- Vapor line coupler5 May 2026US 12,617,667 B2Knappco, LLC
- Electronic vaporizer system13 May 2025US 12,295,411 B2Ayr Ltd.
- Automatic DEF tank filling system25 Jun 2024US 12,018,607 B2Zoetic Equipment Group
- Electronic vaporiser system24 Jul 2025US 2025/0234920 A1Ayr Ltd.
- Vapor line coupler15 May 2025US 2025/0153996 A1Knappco, LLC
- System for Emergency Pressure Relief and Vapor Capture24 Aug 2023US 2023/0264942 A1Carbovate Development Corp.
- Method for Emergency Pressure Relief and Vapor Capture24 Aug 2023US 2023/0265973 A1Carbovate Development Corp.
- System to Absorbing and Distributing Energy Over Time to Contain a Relief Event24 Aug 2023US 2023/0265974 A1Carbovate Development Corp.
Most cited
By later US patents
- Automatic, virtually leak-free filling system202US 5,651,400 ATechnology Trading B.V. · 1997
- Fuel fill tube with vapor vent and overfill protection80US 4,630,749 AGeneral Motors Corporation · 1986
- Fuel dispensing nozzle79US 5,562,133 AHiesky Corporation · 1996
- Gasoline vapor emission control76US 4,166,485 A1979
- Combination casting for a blending dispenser63US 5,203,384 ADresser Industries, Inc. · 1993