B67D 7/32
Arrangements of safety or warning devices
Official title: Arrangements of safety or warning devices; Means for preventing unauthorised delivery of liquid
B67D7/32 (Arrangements of safety or warning devices) appears on 1,310 US grants and 1,037 published applications in this corpus.
Search patents in B67D- Granted patents
- 1,310
- Published applications
- 1,037
- Assignees
- 586
- Inventors
- 1,942
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 6 | 0 |
| 1989 | 15 | 0 |
| 1990 | 16 | 0 |
| 1991 | 18 | 0 |
| 1992 | 25 | 0 |
| 1993 | 23 | 0 |
| 1994 | 32 | 0 |
| 1995 | 14 | 0 |
| 1996 | 20 | 0 |
| 1997 | 21 | 0 |
| 1998 | 31 | 0 |
| 1999 | 51 | 0 |
| 2000 | 39 | 0 |
| 2001 | 41 | 5 |
| 2002 | 43 | 21 |
| 2003 | 25 | 22 |
| 2004 | 30 | 42 |
| 2005 | 31 | 44 |
| 2006 | 27 | 37 |
| 2007 | 22 | 22 |
| 2008 | 10 | 20 |
| 2009 | 14 | 30 |
| 2010 | 19 | 31 |
| 2011 | 11 | 35 |
| 2012 | 20 | 27 |
| 2013 | 22 | 36 |
| 2014 | 30 | 44 |
| 2015 | 32 | 51 |
| 2016 | 45 | 44 |
| 2017 | 48 | 64 |
| 2018 | 40 | 76 |
| 2019 | 71 | 71 |
| 2020 | 78 | 65 |
| 2021 | 65 | 51 |
| 2022 | 54 | 57 |
| 2023 | 62 | 45 |
| 2024 | 47 | 47 |
| 2025 | 41 | 28 |
| 2026 | 24 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B67D 7/34Means for preventing unauthorised delivery of liquid454
- B67D 7/3209Relating to spillage or leakage389
- B67D 7/3218Relating to emergency shut-off means236
- B67D 7/3245Relating to the transfer method96
- B67D 7/3281Details82
- B67D 7/3236Relating to electrostatic charges63
- B67D 7/3227Relating to venting of a container during loading or unloading47
Recent patents
- Fuel charging module and fuel charging method6 Oct 2026US 12,753,885 B2Hyundai Motor Company
- Mobile distribution station with fail-safes22 Sep 2026US 12,741,862 B2Fuel Automation Station, LLC
- Hydrogen gas filling device15 Sep 2026US 12,736,182 B2Eneos Corporation
- Chemical dispensing tank and system for dispensing liquid chemicals18 Aug 2026US 12,709,463 B1Sherman Roto Tank LLC
- Aircraft refueling safety system11 Aug 2026US 12,703,501 B2FliteLogix, LLC
- System and method of fuel dispenser impact conveyance8 Oct 2026US 2026/0307978 A1Gilbarco Inc.
- Ammonia supply device and ammonia supply method17 Sep 2026US 2026/0274644 A1IHI Corporation
- System and method for fuel monitoring and spill prevention17 Sep 2026US 2026/0276426 A1BNSF Railway Company
- Modular rfid reader for fuel dispensing nozzle13 Aug 2026US 2026/0233986 A1Assa Abloy AB
- Tank overfill and pump runaway prevention for a fluid management system23 Jul 2026US 2026/0209026 A1Graco Minnesota Inc.
Most cited
By later US patents
- Dental apparatus281US 3,989,952 ASiemens Aktiengesellschaft · 1976
- 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
- Method and system for mobile distribution station173US 10,196,258 B2Fuel Automation Station, LLC · 2019