Synthetic resin bottle having a gradation pattern, and process for injection molding the preform for use in such a bottle
US-9486939-B1 · Nov 8, 2016 · US
using multilayered preforms or parisons
using multilayered preforms or parisons · 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 | B29C49/22 |
| Official title | using multilayered preforms or parisons |
| Display label | using multilayered preforms or parisons |
| Total patents | 514 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 50 |
| 2016 | 57 |
| 2017 | 47 |
| 2018 | 47 |
| 2019 | 51 |
| 2020 | 44 |
| 2021 | 46 |
| 2022 | 53 |
| 2023 | 47 |
| 2024 | 29 |
| 2025 | 33 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Container and process for making the same
US-2016257052-A1 · Sep 8, 2016 · US
Method for forming catheter balloon
US-2016243342-A1 · Aug 25, 2016 · US
Delamination container
US-2016221706-A1 · Aug 4, 2016 · US
Laminated, blow-molded container and process for forming one or more air intake holes
US-9387951-B2 · Jul 12, 2016 · US
Multilayer molding
US-2016176170-A1 · Jun 23, 2016 · US
Method for forming catheter balloon
US-9352135-B2 · May 31, 2016 · US
Method of making a medical balloon
US-9327102-B2 · May 3, 2016 · US
Structure and method for clamping built-in component in hollow container
US-9266285-B2 · Feb 23, 2016 · US
Gas barrier enhancing additives and methods
US-2016031583-A1 · Feb 4, 2016 · US
Balloon and method of manufacturing the same
US-2015367109-A1 · Dec 24, 2015 · US
Method for producing polypropylene-based resin foamed blow-molded article
US-9217067-B2 · Dec 22, 2015 · US
Multilayer bioabsorbable scaffolds and methods of fabricating
US-2015352768-A1 · Dec 10, 2015 · US
Multilayer balloon for a catheter
US-2015343180-A1 · Dec 3, 2015 · US
Medical balloons
US-9180620-B2 · Nov 10, 2015 · US
Integral two layer preform, process and apparatus for the production thereof, process for producing a blow-moulded bag-in-container, and bag-in-container thus produced
US-9162372-B2 · Oct 20, 2015 · US
Method for producing a container from a thermoplastic
US-2015290863-A1 · Oct 15, 2015 · US
Container with synthetic resin window, preform, and preform injection molding apparatus
US-2015291319-A1 · Oct 15, 2015 · US
Integrally blow-moulded bag-in-container having a bag anchoring point; process for the production thereof; and tool thereof
US-2015266231-A1 · Sep 24, 2015 · US
Integrally blow-moulded bag-in-container having a bag anchoring point; process for the production thereof; and tool thereof
US-2015266230-A1 · Sep 24, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C49/22?
- CPC B29C49/22 is the Cooperative Patent Classification code for “using multilayered preforms or parisons.”
- How many patents are filed under CPC B29C49/22 (using multilayered preforms or parisons)?
- Our database includes 514 publications tagged with this CPC code.
- Is patent activity under CPC B29C49/22 growing?
- Publication counts under this code: 29 in 2024 vs 33 in 2025 (latest complete years).