B67D 7/72
Devices for applying air or other gas pressure for forcing liquid to
Official title: Devices for applying air or other gas pressure for forcing liquid to delivery point
B67D7/72 (Devices for applying air or other gas pressure for forcing liquid to) appears on 89 US grants and 66 published applications in this corpus.
Search patents in B67D- Granted patents
- 89
- Published applications
- 66
- Assignees
- 41
- Inventors
- 145
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 3 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 5 |
| 2016 | 3 | 5 |
| 2017 | 5 | 4 |
| 2018 | 3 | 5 |
| 2019 | 3 | 8 |
| 2020 | 6 | 7 |
| 2021 | 3 | 2 |
| 2022 | 3 | 5 |
| 2023 | 5 | 1 |
| 2024 | 3 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for vacuum-filling a heat exchanger with fluid and method of using27 Jan 2026US 12,535,028 B2
- Method and apparatus for limiting acidic corrosion and contamination in fuel delivery systems14 Oct 2025US 12,441,600 B2Franklin Fueling Systems, Inc.
- Fuel storage and supply arrangement having fuel conditioning assembly29 Apr 2025US 12,286,341 B2Veeder-Root Company
- Methods and systems for on demand fuel supply11 Feb 2025US 12,221,335 B2Texas Fueling Services, Inc.
- Control systems for liquid product delivery vehicles16 Jul 2024US 12,037,237 B2Knappco, LLC
- Device for the pressure testing, evacuation and filling of an assembly30 Oct 2025US 2025/0333291 A1DÜRR SOMAC GmbH
- Method and apparatus for limiting acidic corrosion and contamination in fuel delivery systems19 Jun 2025US 2025/0202086 A1Franklin Fueling Systems, Inc.
- Apparatus for vacuum-filling a heat exchanger with fluid and method of using12 Jun 2025US 2025/0187900 A1
- System for vacuum-filling a heat exchanger with fluid and method of using24 Apr 2025US 2025/0129736 A1
- Methods and systems for on demand fuel supply22 Feb 2024US 2024/0059551 A1Texas Fueling Services, Inc.
Most cited
By later US patents
- Refueling method for supplying fuel to fracturing equipment185US 9,856,131 B12018
- Process and device for the conveyance and measuring of medical liquids98US 6,036,668 AFresenius AG · 2000
- Liquid material dispenser70US 5,246,147 ASil Medics Ltd. · 1993
- Method and apparatus for feeding drug liquid from hermetic returnable can61US 4,676,404 AFujitsu Limited · 1987
- Gas generator for a carbonated drink dispenser50US 5,021,219 AThe Coca-Cola Company · 1991