Contact lens product, packaging case thereof, and detection method for the same
US-2025100729-A1 · Mar 27, 2025 · US
Immersing contents in protective liquids
Immersing contents in protective liquids · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B65B55/22 |
| Official title | Immersing contents in protective liquids |
| Display label | Immersing contents in protective liquids |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 2 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 11 |
| 2020 | 6 |
| 2021 | 8 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Packaging solutions
US-2024382645-A1 · Nov 21, 2024 · US
Packaging solutions
US-12097295-B2 · Sep 24, 2024 · US
Methods and apparatus for selectively controlling movement of a contact lens during a packaging process
US-2024208685-A1 · Jun 27, 2024 · US
Weekly and monthly disposable water gradient contact lenses
US-2024176047-A1 · May 30, 2024 · US
Weekly and monthly disposable water gradient contact lenses
US-11933941-B2 · Mar 19, 2024 · US
Method for making a preservative-free packaged ophthalmic device product
US-2023159202-A1 · May 25, 2023 · US
Methods of making sleeved and packaged hydrophilic catheter assemblies
US-2023001132-A1 · Jan 5, 2023 · US
Wettable silicone hydrogel contact lenses
US-11513257-B2 · Nov 29, 2022 · US
Contact lens packaging solutions containing hydrophilic polymers endcapped with a hydrophilic and a hydrophobic group
US-11492189-B2 · Nov 8, 2022 · US
Packaging solutions
US-2022288270-A1 · Sep 15, 2022 · US
Gas injected auto-dunnage formation within a filled and sealed container
US-11401069-B1 · Aug 2, 2022 · US
Weekly and monthly disposable water gradient contact lenses
US-2022137263-A1 · May 5, 2022 · US
Utilization of blood component-containing solutions for bioprosthetic valve manufacture and testing
US-2022107307-A1 · Apr 7, 2022 · US
Weekly and monthly disposable water gradient contact lenses
US-11256003-B2 · Feb 22, 2022 · US
Packaging solutions
US-2022040367-A1 · Feb 10, 2022 · US
Contact lens package and method for producing the same
US-11181753-B2 · Nov 23, 2021 · US
Wettable silicone hydrogel contact lenses
US-2021181379-A1 · Jun 17, 2021 · US
Method for producing MPS-compatible water gradient contact lenses
US-11029446-B2 · Jun 8, 2021 · US
Method for producing MPS-compatible water gradient contact lenses
US-11029447-B2 · Jun 8, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B65B55/22?
- CPC B65B55/22 is the Cooperative Patent Classification code for “Immersing contents in protective liquids.”
- How many patents are filed under CPC B65B55/22 (Immersing contents in protective liquids)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC B65B55/22 growing?
- Publication counts under this code: 5 in 2024 vs 9 in 2025 (latest complete years).