A45F 2003/163
Water bottles with purification filter
Official title: {Water bottles with purification filter}
A45F2003/163 (Water bottles with purification filter) appears on 46 US grants and 64 published applications in this corpus.
Search patents in A45F- Granted patents
- 46
- Published applications
- 64
- Assignees
- 36
- Inventors
- 130
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 5 |
| 2015 | 1 | 0 |
| 2016 | 0 | 2 |
| 2017 | 2 | 6 |
| 2018 | 2 | 5 |
| 2019 | 5 | 8 |
| 2020 | 2 | 4 |
| 2021 | 8 | 10 |
| 2022 | 6 | 6 |
| 2023 | 6 | 5 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressing surface for filtration container assembly11 Aug 2026US 12,702,941 B2Grayl Inc.
- Gravity-flow filter assembly16 Jun 2026US 12,655,035 B2Hydros Bottle, LLC
- Water bottle20 May 2025US 12,304,696 B2Hydros Bottle, LLC
- System, apparatus and method for coding cap and tube assemblies for different bottle sizes17 Dec 2024US 12,167,786 B2Ultrafab, Inc.
- Beverage bottle with removable bottom28 Nov 2023US 11,827,411 B1
- Gravity-flow filter assembly1 Oct 2026US 2026/0296921 A1Hydros Bottle, LLC
- Water bottle23 Oct 2025US 2025/0326533 A1Hydros Bottle, LLC
- Automatic water filtering purifying bottle5 Sep 2024US 2024/0294398 A1Guangzhou Lanquan Household Electrical Appliance Co., Ltd
- Free flow filter bottle25 Jul 2024US 2024/0246733 A1The Coleman Company, Inc.
- Water bottle2 Nov 2023US 2023/0348146 A1Hydros Bottle, LLC
Most cited
By later US patents
- Canteen having a removably mounted filter device70US 5,167,819 A1992
- Drinking water supply container having a removably mounted filter device64US 5,122,272 A1992
- Canteen carried water purifier system56US 4,714,550 AWater Systems Development Corporation · 1987
- Bottled water cap with indicator and adaptor48US 4,986,901 AInnova Pure Water Inc. · 1991
- Combination bottle cap and filter39US 5,688,397 A1997