Methods and apparatuses for casting polymer products
US-2024308162-A1 · Sep 19, 2024 · US
Plastics, e.g. foam or rubber
Plastics, e.g. foam or rubber · 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 | B29C33/40 |
| Official title | Plastics, e.g. foam or rubber |
| Display label | Plastics, e.g. foam or rubber |
| Total patents | 434 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 28 |
| 2016 | 29 |
| 2017 | 42 |
| 2018 | 48 |
| 2019 | 42 |
| 2020 | 42 |
| 2021 | 43 |
| 2022 | 32 |
| 2023 | 54 |
| 2024 | 39 |
| 2025 | 28 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Extruded molds and methods for manufacturing composite truck panels
US-2017113434-A1 · Apr 27, 2017 · US
Method for Producing a Fiber-Reinforced Plastic Component
US-2017066161-A1 · Mar 9, 2017 · US
Method for fabricating silicone-containing copolymer molded article having hydrophilic surface and silicone-hydrogel contact lens having hydrophilic surface
US-9529119-B2 · Dec 27, 2016 · US
Hollow polymer micro-truss structures containing pressurized fluids
US-9527261-B1 · Dec 27, 2016 · US
Shaping tool, shaping apparatus and method of forming a semi-finished product containing reinforcing fibers
US-2016368230-A1 · Dec 22, 2016 · US
Resin mold material composition for imprinting
US-9522998-B2 · Dec 20, 2016 · US
Method of producing tooling for resin transfer molding
US-9522486-B2 · Dec 20, 2016 · US
Ophthalmic device molds formed from water-soluble vinyl alcohol copolymer, ophthalmic devices molded therein, and related methods
US-9492951-B2 · Nov 15, 2016 · US
Thin film with microchannels
US-2016303283-A1 · Oct 20, 2016 · US
Building mold with copper nonwoven
US-9463583-B2 · Oct 11, 2016 · US
Low-Cost Tooling and Method for Manufacturing the Same
US-2016288372-A1 · Oct 6, 2016 · US
Method for fabricating silicone-containing copolymer molded article having hydrophilic surface and silicone-hydrogel contact lens having hydrophilic surface
US-2016282516-A1 · Sep 29, 2016 · US
Hollow porous materials with architected fluid interfaces for reduced overall pressure loss
US-9453604-B1 · Sep 27, 2016 · US
Three-dimensional parts having interconnected hollow patterns, method of manufacturing and method of producing composite part
US-2016257033-A1 · Sep 8, 2016 · US
Rubber compression molding using plastic mold assembly with metal inserts
US-2016250778-A1 · Sep 1, 2016 · US
Drag reduction riblets integrated in a paint layer
US-2016243586-A1 · Aug 25, 2016 · US
Flexible nanoimprint mold, method for fabricating the same, and mold usage on planar and curved substrate
US-2016214281-A1 · Jul 28, 2016 · US
Cartridge-based 3d printing system
US-2016200044-A1 · Jul 14, 2016 · US
Method of preparing a mold to form an article and method of forming the article with the mold
US-9381681-B1 · Jul 5, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C33/40?
- CPC B29C33/40 is the Cooperative Patent Classification code for “Plastics, e.g. foam or rubber.”
- How many patents are filed under CPC B29C33/40 (Plastics, e.g. foam or rubber)?
- Our database includes 434 publications tagged with this CPC code.
- Is patent activity under CPC B29C33/40 growing?
- Publication counts under this code: 39 in 2024 vs 28 in 2025 (latest complete years).