B67D 7/0227
By an ejection plunger
Official title: {by an ejection plunger (B67D7/0238 takes precedence)}
B67D7/0227 (By an ejection plunger) appears on 125 US grants and 83 published applications in this corpus.
Search patents in B67D- Granted patents
- 125
- Published applications
- 83
- Assignees
- 60
- Inventors
- 167
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 6 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 1 |
| 2003 | 0 | 2 |
| 2004 | 2 | 2 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 2 |
| 2008 | 0 | 4 |
| 2009 | 2 | 1 |
| 2010 | 2 | 2 |
| 2011 | 2 | 4 |
| 2012 | 2 | 2 |
| 2013 | 2 | 0 |
| 2014 | 4 | 4 |
| 2015 | 0 | 0 |
| 2016 | 1 | 4 |
| 2017 | 3 | 1 |
| 2018 | 1 | 4 |
| 2019 | 4 | 27 |
| 2020 | 5 | 6 |
| 2021 | 12 | 4 |
| 2022 | 9 | 3 |
| 2023 | 7 | 5 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cartridge receptacle, cartridge system, beverage preparation machine, and method for producing a beverage6 May 2025US 12,290,199 B2Freezio AG
- Washing machine including a metering apparatus for dispensing laundry fluids and methods for making and using same10 Dec 2024US 12,163,267 B2Hiketron Inc.
- Pouch filling station10 Sep 2024US 12,084,215 B2ChooMee Inc.
- Cartridge receiver, cartridge system, drink preparation machine and method for producing a drink28 May 2024US 11,993,505 B2Freezio AG
- Conveying device for conveying a viscous material from a container, and method for operating the conveying device18 Jul 2023US 11,701,808 B2Wagner International AG
- Dispensing system and method of use21 May 2026US 2026/0138861 A1
- Colorant dispenser and color-paste outpouring method for colorant dispenser3 Jul 2025US 2025/0214828 A1Zhengzhou Sanhua Technology & Industry Co., Ltd.
- Fluid dosing system21 Dec 2023US 2023/0407855 A1Diversey, Inc.
- Cartridge System, Beverage Preparation Machine, and Process For Manufacturing a Cartridge System9 Nov 2023US 2023/0355029 A1Freezio AG
- Cartridge System, Beverage Preparation Machine, and Process For Manufacturing a Cartridge System2 Nov 2023US 2023/0348253 A1Freezio AG
Most cited
By later US patents
- Fluid delivery device having a water generating electrochemical/chemical pump and associated method173US 6,491,684 B1Durect Corporation · 2002
- Tank piston with improved seal and wiper95US 6,325,384 B1Transportation Leasing Corporation · 2001
- System for dispensing controlled amounts of flowable material from a flexible container83US 6,722,530 B1Restaurant Automation Development Co. · 2004
- System for dispensing controlled amounts of flowable material from a flexible container71US 6,131,766 ARestaurant Automation Development Co. · 2000
- Dispenser for viscous fluids47US 4,852,772 AGenesis Industries, LLC · 1989