Pvdf thin films having high electromechanical efficiency and a gel casting method for forming same
US-2026008895-A1 · Jan 8, 2026 · US
using an electric field, e.g. for electrostatic charging (electrostatic pinning of extruded material B29C48/9165; fixing linings by electrostatic charges B29C63/0043)
using an electric field, e.g. for electrostatic charging (electrostatic pinning of extruded material B29C48/9165; fixing linings by electrostatic charges B29C63/0043) · 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 | B29C71/0081 |
| Official title | {using an electric field, e.g. for electrostatic charging (electrostatic pinning of extruded material B29C48/9165; fixing linings by electrostatic charges B29C63/0043)} |
| Display label | using an electric field, e.g. for electrostatic charging (electrostatic pinning of extruded material B29C48/9165; fixing linings by electrostatic charges B29C63/0043) |
| 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 | 2 |
| 2016 | 6 |
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 7 |
| 2021 | 13 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Stretching Device and Method for Stretching a Plastic Film in the Transport Direction Thereof
US-2025353242-A1 · Nov 20, 2025 · US
PVDF thin films having high electromechanical efficiency and a gel casting method for forming same
US-12391809-B2 · Aug 19, 2025 · US
Disentangled pvdf for high electromechanical efficiency thin films and fibers
US-2024240007-A1 · Jul 18, 2024 · US
Free-form fabrication of continuous carbon fiber composites using electric fields
US-2024140020-A1 · May 2, 2024 · US
Method including additive manufacturing a part and post-processing with two ionizing bars and a rotary barrel
US-11945165-B2 · Apr 2, 2024 · US
Formation of three dimensional objects including magnetic material
US-11731344-B2 · Aug 22, 2023 · US
Apparatus for making nonwoven fabric from fibers
US-11702780-B2 · Jul 18, 2023 · US
Pvdf thin films having high electromechanical efficiency and a gel casting method for forming same
US-2023116775-A1 · Apr 13, 2023 · US
Methods of creating composite parts with fibers in a desired orientation
US-11571864-B2 · Feb 7, 2023 · US
Polymer composite material having oriented electrically and thermally conductive pathways
US-11345101-B2 · May 31, 2022 · US
Method for manufacturing a cosmetic product applicator by additive manufacturing
US-11267198-B2 · Mar 8, 2022 · US
Stable thermochromics polymer films with vanadium dioxide nanowires
US-11236239-B2 · Feb 1, 2022 · US
Method for making polyethylene/graphene composite
US-11213974-B2 · Jan 4, 2022 · US
Polymer composite material having oriented electrically and thermally conductive pathways
US-2021323255-A1 · Oct 21, 2021 · US
Method for making polyethylene/graphene composite
US-2021323197-A1 · Oct 21, 2021 · US
Method of forming electrically and thermally conductive polyolefin-perovskite nanomaterial composites having increased dielectric permittivity and breakdown-induced electrical and thermal conduction pathways
US-2021301111-A1 · Sep 30, 2021 · US
Method of forming electrically and thermally conductive polyolefin-perovskite nanomaterial composites having increased dielectric permittivity and breakdown-induced electrical and thermal conduction pathways
US-11130296-B1 · Sep 28, 2021 · US
Film for glass lamination and method for preparing same
US-2021291495-A1 · Sep 23, 2021 · US
Additive manufacturing print-heads for exotic material applications
US-11084211-B1 · Aug 10, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B29C71/0081?
- CPC B29C71/0081 is the Cooperative Patent Classification code for “using an electric field, e.g. for electrostatic charging (electrostatic pinning of extruded material B29C48/9165; fixing linings by electrostatic charges B29C63/0043).”
- How many patents are filed under CPC B29C71/0081 (using an electric field, e.g. for electrostatic charging (electrostatic pinning of extruded material B29C48/9165; fixing linings by electrostatic charges B29C63/0043))?
- Our database includes 50 publications tagged with this CPC code.
- Is patent activity under CPC B29C71/0081 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).