Polymer compositions having densification accelerators and rotational molding processes for making hollow articles therefrom
US-2025145792-A1 · May 8, 2025 · US
by rotating a mould around its axis of symmetry (for concrete B28B21/30)
by rotating a mould around its axis of symmetry (for concrete B28B21/30) · 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 | B29C41/042 |
| Official title | {by rotating a mould around its axis of symmetry (for concrete B28B21/30)} |
| Display label | by rotating a mould around its axis of symmetry (for concrete B28B21/30) |
| Total patents | 50 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 8 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 4 |
| 2020 | 5 |
| 2021 | 6 |
| 2022 | 2 |
| 2023 | 1 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Molding process for wearable ring device
US-2025135689-A1 · May 1, 2025 · US
Multilayer article suitable for use as a fuel container
US-12053951-B2 · Aug 6, 2024 · US
Flame retardant rotomolded polyolefin
US-12012542-B2 · Jun 18, 2024 · US
Fabrication of multifunctional BN fine fibers by force spinning method
US-11859315-B1 · Jan 2, 2024 · US
Monolithic thermocasting of polymer mixtures for architectural applications
US-11623372-B2 · Apr 11, 2023 · US
Manufacturing method for high-pressure tank
US-11529780-B2 · Dec 20, 2022 · US
Molding process of co-cured short-fiber resin-based damping composite material and molding part
US-11485055-B2 · Nov 1, 2022 · US
Non-pneumatic tire fabricated in one-step molding
US-2021379847-A1 · Dec 9, 2021 · US
Method of impregnating a fiber texture of hollow shape
US-11117287-B2 · Sep 14, 2021 · US
Manufacturing method for high-pressure tank
US-2021221081-A1 · Jul 22, 2021 · US
Monolithic thermocasting of polymer mixtures for architectural applications
US-2021187799-A1 · Jun 24, 2021 · US
Flame retardant rotomolded polyolefin
US-2021087471-A1 · Mar 25, 2021 · US
Molding process of co-cured short-fiber resin-based damping composite material and molding part
US-2021039285-A1 · Feb 11, 2021 · US
Acid resistant polyethylene containers
US-10766986-B2 · Sep 8, 2020 · US
Polyurethane filled tires
US-10710410-B2 · Jul 14, 2020 · US
Multilayer article suitable for use as a fuel container
US-2020207052-A1 · Jul 2, 2020 · US
Reinforced thermoplastic products and methods of making the same
US-10688693-B2 · Jun 23, 2020 · US
Acid resistant polyethylene containers
US-2020040114-A1 · Feb 6, 2020 · US
Universally applicable centrifuge plate for casting housing ends of hollow fiber filter modules
US-10513060-B2 · Dec 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C41/042?
- CPC B29C41/042 is the Cooperative Patent Classification code for “by rotating a mould around its axis of symmetry (for concrete B28B21/30).”
- How many patents are filed under CPC B29C41/042 (by rotating a mould around its axis of symmetry (for concrete B28B21/30))?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B29C41/042 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).