B67D 7/34
Means for preventing unauthorised delivery of liquid
B67D7/34 (Means for preventing unauthorised delivery of liquid) appears on 454 US grants and 422 published applications in this corpus.
Search patents in B67D- Granted patents
- 454
- Published applications
- 422
- Assignees
- 236
- Inventors
- 802
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 8 | 0 |
| 1999 | 25 | 0 |
| 2000 | 17 | 0 |
| 2001 | 9 | 1 |
| 2002 | 21 | 9 |
| 2003 | 10 | 8 |
| 2004 | 8 | 12 |
| 2005 | 9 | 8 |
| 2006 | 3 | 15 |
| 2007 | 6 | 6 |
| 2008 | 2 | 11 |
| 2009 | 5 | 16 |
| 2010 | 10 | 18 |
| 2011 | 4 | 25 |
| 2012 | 12 | 10 |
| 2013 | 10 | 16 |
| 2014 | 19 | 21 |
| 2015 | 15 | 24 |
| 2016 | 14 | 19 |
| 2017 | 21 | 33 |
| 2018 | 20 | 34 |
| 2019 | 34 | 27 |
| 2020 | 28 | 18 |
| 2021 | 22 | 18 |
| 2022 | 16 | 18 |
| 2023 | 21 | 15 |
| 2024 | 17 | 21 |
| 2025 | 18 | 9 |
| 2026 | 8 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Aircraft refueling safety system11 Aug 2026US 12,703,501 B2FliteLogix, LLC
- Electronic vaporiser system28 Jul 2026US 12,690,610 B2Ayr Ltd.
- Monitoring refueling operations26 May 2026US 12,637,348 B2ryd GmbH
- Interlock apparatus for chemical supply system19 May 2026US 12,630,411 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Detecting locations associated with anomalous fuel dispensing operations within a network of gas stations19 May 2026US 12,630,413 B27-Eleven, Inc.
- Modular rfid reader for fuel dispensing nozzle13 Aug 2026US 2026/0233986 A1Assa Abloy AB
- Detecting locations associated with anomalous fuel dispensing operations within a network of gas stations2 Jul 2026US 2026/0184557 A17-Eleven, Inc.
- Oil delivery process with bulk oil quality control18 Jun 2026US 2026/0167082 A1
- Fluid management system and fluid dispenser4 Jun 2026US 2026/0152378 A1Graco Minnesota Inc.
- Fuel Filling Device and Vehicle Fuel Tank Filling Assembly14 May 2026US 2026/0132015 A1Staubli Faverges
Most cited
By later US patents
- Fluid delivery control nozzle218US 5,913,180 A1999
- Connector apparatus and method for connecting the same for controlling fluid dispensing185US 6,649,829 B2Colder Products Company · 2003
- Preconditioning a fuel dispensing system using a transponder183US 6,089,284 AMarconi Commerce Systems Inc. · 2000
- Monitored delivery systems163US 4,469,149 AMonitronix Systems Limited · 1984
- Communications system and method, fleet management system and method, and method of impeding theft of fuel162US 6,085,805 AMicron Technology, Inc. · 2000