Long-fibre-reinforced polyamides
US-2016376423-A1 · Dec 29, 2016 · US
Pultrusion, i.e. forming and compressing by continuously pulling through a die
Pultrusion, i.e. forming and compressing by continuously pulling through a die · 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 | B29C70/52 |
| Official title | Pultrusion, i.e. forming and compressing by continuously pulling through a die |
| Display label | Pultrusion, i.e. forming and compressing by continuously pulling through a die |
| Total patents | 416 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 29 |
| 2016 | 34 |
| 2017 | 39 |
| 2018 | 41 |
| 2019 | 47 |
| 2020 | 43 |
| 2021 | 51 |
| 2022 | 39 |
| 2023 | 34 |
| 2024 | 26 |
| 2025 | 30 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water-clear aliphatic polyurethane pultrusion formulations and processes
US-2016362540-A1 · Dec 15, 2016 · US
Methods and Apparatus for Actuated Fabricator
US-2016339510-A1 · Nov 24, 2016 · US
Steering column produced from fibre-composite and on the basis of pultrusion, braiding and/or winding technology
US-9487227-B2 · Nov 8, 2016 · US
Die and Method for Impregnating Fiber Rovings
US-2016318216-A1 · Nov 3, 2016 · US
Wind turbine blades with layered, multi-component spars, and associated systems and methods
US-9470205-B2 · Oct 18, 2016 · US
Hollow core arrester strength membrane
US-9472327-B1 · Oct 18, 2016 · US
Continuous production of profiles in a sandwich type of construction with foam cores and rigid-foam-filled profile
US-2016288431-A1 · Oct 6, 2016 · US
Wind Turbine Blades
US-2016263843-A1 · Sep 15, 2016 · US
Wind Turbine Blades
US-2016263775-A1 · Sep 15, 2016 · US
Electrical transmission cables with composite cores
US-9443635-B2 · Sep 13, 2016 · US
Automated fabrication of composite fillers
US-9415577-B1 · Aug 16, 2016 · US
Shaft of a gas turbine engine in hybrid design
US-2016230805-A1 · Aug 11, 2016 · US
System and method for impregnating fiber rovings
US-9409355-B2 · Aug 9, 2016 · US
Method for forming reinforced pultruded profiles
US-9409347-B2 · Aug 9, 2016 · US
Carbon glass fiber pultrussion bumper beams
US-2016221519-A1 · Aug 4, 2016 · US
Apparatus for producing composite fillers
US-9393744-B2 · Jul 19, 2016 · US
Molding Material for Injection Molding, Extrusion Molding or Pultrusion Molding, Carbon-Fiber-Reinforced Thermoplastic Resin Pellet, Molding Product, Method for Producing Injection Molded Product, and Injection Molded Product
US-2016185922-A1 · Jun 30, 2016 · US
Pultruded rotor blade components having interlocking edges
US-2016160837-A1 · Jun 9, 2016 · US
Laminated composite radius filler with geometric shaped filler element and method of forming the same
US-9359060-B2 · Jun 7, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C70/52?
- CPC B29C70/52 is the Cooperative Patent Classification code for “Pultrusion, i.e. forming and compressing by continuously pulling through a die.”
- How many patents are filed under CPC B29C70/52 (Pultrusion, i.e. forming and compressing by continuously pulling through a die)?
- Our database includes 416 publications tagged with this CPC code.
- Is patent activity under CPC B29C70/52 growing?
- Publication counts under this code: 26 in 2024 vs 30 in 2025 (latest complete years).