B05B 11/1023
Having an outlet valve opened by deformation or displacement of the piston
Official title: {having an outlet valve opened by deformation or displacement of the piston relative to its actuating stem}
B05B11/1023 (Having an outlet valve opened by deformation or displacement of the piston) appears on 535 US grants and 535 published applications in this corpus.
Search patents in B05B- Granted patents
- 535
- Published applications
- 535
- Assignees
- 214
- Inventors
- 659
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 7 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 2 |
| 2002 | 12 | 12 |
| 2003 | 8 | 5 |
| 2004 | 9 | 9 |
| 2005 | 4 | 16 |
| 2006 | 5 | 11 |
| 2007 | 7 | 12 |
| 2008 | 3 | 13 |
| 2009 | 6 | 13 |
| 2010 | 10 | 12 |
| 2011 | 12 | 16 |
| 2012 | 6 | 23 |
| 2013 | 17 | 16 |
| 2014 | 20 | 28 |
| 2015 | 17 | 21 |
| 2016 | 23 | 32 |
| 2017 | 21 | 30 |
| 2018 | 27 | 30 |
| 2019 | 36 | 30 |
| 2020 | 20 | 34 |
| 2021 | 34 | 33 |
| 2022 | 21 | 33 |
| 2023 | 30 | 42 |
| 2024 | 28 | 31 |
| 2025 | 24 | 23 |
| 2026 | 13 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pump assembly1 Sep 2026US 12,722,174 B2Yonwoo Co., Ltd.
- Single-polymer, reciprocating dispenser for foam products25 Aug 2026US 12,715,012 B2Rieke Packaging Systems Limited
- Integral locking mechanism for reciprocating pumps18 Aug 2026US 12,708,917 B2Rieke Packaging Systems Limited
- Manually operated pump11 Aug 2026US 12,702,993 B2Silgan Dispensing Systems Milano S.R.L.
- Device for dispensing a fluid substance, usually a nutraceutical substance or a drug or a food2 Jun 2026US 12,644,746 B2Bormioli Pharma S.P.A.
- Improved table top dispenser20 Aug 2026US 2026/0241401 A1GOJO Industries, Inc.
- Retainer and inlet valve for reciprocating pumps30 Jul 2026US 2026/0216743 A1Rieke Packaging Systems Limited
- Stick-shaped pumping container11 Jun 2026US 2026/0157504 A1Samhwa Co., Ltd
- Pump module, discharge head and fluid dispenser7 May 2026US 2026/0124630 A1Aptar Villingen GmbH
- Pressing pump capable of preventing pressing head from being rotationally opened23 Apr 2026US 2026/0108901 A1Zhongshan Luencheong Dispensing Pump Ltd.
Most cited
By later US patents
- Aerosol for dispensing a liquid125US 6,536,629 B2Airspray N.V. · 2003
- Liquid dispenser locking means110US 4,162,746 ADiamond International Corporation · 1979
- Plunger lock-up dispenser86US 5,615,806 ACalmar-Albert GmbH · 1997
- Modular pump having a locking rotatable sleeve68US 4,991,746 AEmson Research Inc. · 1991
- Atomizing or dosing pump67US 4,830,284 AIng. Erich Pfeiffer GmbH · 1989