B05B 11/028
Pistons separating the content remaining in the container from the atmospheric air
Official title: {Pistons separating the content remaining in the container from the atmospheric air to compensate underpressure inside the container}
B05B11/028 (Pistons separating the content remaining in the container from the atmospheric air) appears on 456 US grants and 422 published applications in this corpus.
Search patents in B05B- Granted patents
- 456
- Published applications
- 422
- Assignees
- 209
- Inventors
- 617
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 13 | 0 |
| 1990 | 13 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 9 | 5 |
| 2002 | 13 | 8 |
| 2003 | 5 | 7 |
| 2004 | 6 | 5 |
| 2005 | 6 | 19 |
| 2006 | 7 | 13 |
| 2007 | 6 | 16 |
| 2008 | 3 | 13 |
| 2009 | 7 | 15 |
| 2010 | 14 | 13 |
| 2011 | 11 | 12 |
| 2012 | 7 | 12 |
| 2013 | 12 | 25 |
| 2014 | 11 | 17 |
| 2015 | 19 | 18 |
| 2016 | 19 | 33 |
| 2017 | 21 | 31 |
| 2018 | 16 | 21 |
| 2019 | 28 | 27 |
| 2020 | 20 | 23 |
| 2021 | 19 | 20 |
| 2022 | 24 | 25 |
| 2023 | 14 | 14 |
| 2024 | 13 | 11 |
| 2025 | 14 | 12 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid spray nozzle and liquid spray device22 Sep 2026US 12,741,290 B2Seiko Epson Corporation
- Condiment dispensing apparatus, system, and methods of use16 Jun 2026US 12,653,347 B2H. J. Heinz Company Brands LLC
- Dispensing pump with polymer spring, base venting and flow baffle19 May 2026US 12,631,235 B2Silgan Dispensing Systems Corporation
- Liquid dispenser12 May 2026US 12,623,239 B2Aptar Radolfzell GmbH
- Condiment dispensing apparatus, system, and methods of use31 Mar 2026US 12,588,785 B2H. J. Heinz Company Brands LLC
- Pump top for liquid dispensers20 Aug 2026US 2026/0241399 A1World Club Supply Corp.
- Dispenser2 Jul 2026US 2026/0184492 A1Asept International AB
- Stick-shaped pumping container11 Jun 2026US 2026/0157504 A1Samhwa Co., Ltd
- Pump container for paste23 Apr 2026US 2026/0108907 A1Anhui Jnd Plastic Packaging Co., Ltd.
- Product-dispensing device with improved priming and associated filling method19 Mar 2026US 2026/0077370 A1Gb Developpement
Most cited
By later US patents
- Dispensing systems138US 6,302,304 B1Rieke Packaging Systems Limited · 2001
- Dispensing container with variable volume compensation126US 6,062,430 AIng. Erich Pfeiffer GmbH · 2000
- Methods and apparatus for storing chemical compounds in a portable inhaler123US 6,205,999 B1Aerogen, Inc. · 2001
- Dispenser head for mixing separate pasty substances and a storage unit provided with such a dispenser head120US 4,773,562 AL'oreal · 1988
- Double dispenser for fluid products113US 5,611,463 ALir France · 1997