Hydration pack infuser
US-2025375059-A1 · Dec 11, 2025 · US
Hydration systems incorporated in a backpack
Hydration systems incorporated in a backpack · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A45F3/166 |
| Official title | {Hydration systems incorporated in a backpack} |
| Display label | Hydration systems incorporated in a backpack |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Hydration pack infuser
US-12414647-B2 · Sep 16, 2025 · US
Bite-actuated mouthpieces and drink vessels including bite-actuated mouthpieces
US-12365519-B2 · Jul 22, 2025 · US
Personal Hydration System With Cooling or Warming Capability
US-2024389740-A1 · Nov 28, 2024 · US
Backpack cooler
US-2024341455-A1 · Oct 17, 2024 · US
Device for improved hydration during exercise
US-12108891-B2 · Oct 8, 2024 · US
Personal hydration system with cooling or warming capability
US-12089723-B2 · Sep 17, 2024 · US
Portable beverage coolers and methods of using the same
US-12066245-B2 · Aug 20, 2024 · US
Carrying article with two superimposed pockets
US-2024188709-A1 · Jun 13, 2024 · US
Hydration reservoir
US-11884465-B2 · Jan 30, 2024 · US
Magnetic Sealing Arrangement with Securing Mechanism
US-2023380560-A1 · Nov 30, 2023 · US
Personal Hydration System With Cooling or Warming Capability
US-2023346112-A1 · Nov 2, 2023 · US
Personal hydration system with cooling or warming capability
US-11717074-B2 · Aug 8, 2023 · US
Storage device with a magnetic closure device
US-2023210236-A1 · Jul 6, 2023 · US
Backpack with magnetic hydration tube return
US-11684140-B2 · Jun 27, 2023 · US
Liquid cooling for medical devices
US-11648133-B2 · May 16, 2023 · US
Breast support garment
US-11596183-B2 · Mar 7, 2023 · US
Cooling equipment and method for producing cooling equipment
US-2023059586-A1 · Feb 23, 2023 · US
Bite-actuated mouthpieces and drink vessels including bite-actuated mouthpieces
US-2022281654-A1 · Sep 8, 2022 · US
Hydration reservoir
US-2022234802-A1 · Jul 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A45F3/166?
- CPC A45F3/166 is the Cooperative Patent Classification code for “Hydration systems incorporated in a backpack.”
- How many patents are filed under CPC A45F3/166 (Hydration systems incorporated in a backpack)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC A45F3/166 growing?
- Publication counts under this code: 7 in 2024 vs 3 in 2025 (latest complete years).