B65D 81/3255
Containers provided with a piston or a movable bottom, and permitting admixture
Official title: {Containers provided with a piston or a movable bottom, and permitting admixture within the container}
B65D81/3255 (Containers provided with a piston or a movable bottom, and permitting admixture) appears on 85 US grants and 90 published applications in this corpus.
Search patents in B65D- Granted patents
- 85
- Published applications
- 90
- Assignees
- 59
- Inventors
- 169
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 1 | 4 |
| 2012 | 1 | 1 |
| 2013 | 3 | 4 |
| 2014 | 2 | 3 |
| 2015 | 3 | 10 |
| 2016 | 3 | 5 |
| 2017 | 5 | 8 |
| 2018 | 4 | 10 |
| 2019 | 7 | 3 |
| 2020 | 8 | 9 |
| 2021 | 3 | 7 |
| 2022 | 7 | 2 |
| 2023 | 4 | 3 |
| 2024 | 1 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Epinephrine-based ophthalmic compositions for intraocular administration and methods for fabricating thereof11 Aug 2026US 12,702,651 B2Harrow IP, LLC
- Multi-chamber cartridge29 Jul 2025US 12,370,571 B2fischerwerke GmbH & Co. KG
- Pre-filled container, method of use and related production method11 Mar 2025US 12,246,127 B2Brevetti Angela S.r.l.
- Multi-chamber hypochlorous acid dispenser12 Nov 2024US 12,139,400 B2Wiab Water Innovation AB
- Multi-chamber hypochlorous acid dispenser3 Oct 2023US 11,772,968 B2Wiab Water Innovation AB
- Bottle assembly having a bottle and a pod to treat liquid stored inside the bottle22 Jan 2026US 2026/0021950 A1
- Sodium Chlorite Compositions with Enhanced Anti-Viral and Anti-Microbial Efficacy and Reduced Toxicity20 Nov 2025US 2025/0352574 A1iRenix Medical, Inc.
- Multi-chamber hypochlorous acid dispenser13 Feb 2025US 2025/0051163 A1Wiab Water Innovation AB
- Disposable Cup27 Jun 2024US 2024/0208714 A1
- Multi-chamber cartridge9 May 2024US 2024/0149294 A1fischerwerke GmbH & Co. KG
Most cited
By later US patents
- Two compartment mixing syringe125US 4,693,706 A1987
- Mixing device for manufacturing bone cement87US 5,549,380 AMit · 1996
- Container having two or more compartments79US 6,045,254 AM.L.I.S. Projects Ltd. · 2000
- Dispensing device having static mixer in nozzle72US 4,801,008 AW. R. Grace & Co. · 1989
- Device suitable for mixing medication63US 4,979,941 AInternational Medication Systems, Limited · 1990