Porous membrane
US-9837650-B2 · Dec 5, 2017 · US
one layer {being formed of particles, e.g. chips,} granules, powder
one layer {being formed of particles, e.g. chips,} granules, powder · 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 | B32B5/30 |
| Official title | one layer {being formed of particles, e.g. chips,} granules, powder |
| Display label | one layer {being formed of particles, e.g. chips,} granules, powder |
| Total patents | 568 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 32 |
| 2016 | 21 |
| 2017 | 48 |
| 2018 | 75 |
| 2019 | 79 |
| 2020 | 70 |
| 2021 | 67 |
| 2022 | 53 |
| 2023 | 39 |
| 2024 | 45 |
| 2025 | 32 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing part made of composite material
US-2017334791-A1 · Nov 23, 2017 · US
Powder, thermoplastic composition, and method for producing three-dimensional object
US-2017260359-A1 · Sep 14, 2017 · US
Composite boards and panels
US-9573343-B2 · Feb 21, 2017 · US
Waterproof sound-transmitting membrane, sound-transmitting member, and electrical device
US-9578402-B2 · Feb 21, 2017 · US
Porous plate-shaped filler, method for producing same, and heat insulation film
US-2017036303-A1 · Feb 9, 2017 · US
Separator with heat resistant insulation layer
US-9543077-B2 · Jan 10, 2017 · US
Asymmetric Polytetrafluoroethylene Composite Having A Macro-Textured Surface and Method For Making The Same
US-2016367947-A1 · Dec 22, 2016 · US
Resin composite and method for producing resin composite
US-2016362533-A1 · Dec 15, 2016 · US
Resin composite and method for producing resin composite
US-2016361893-A1 · Dec 15, 2016 · US
Vinyl chloride resin composition for powder molding, vinyl chloride resin molded product, and laminate
US-2016347932-A1 · Dec 1, 2016 · US
Porous plate-shaped filler aggregate, producing method therefor, and heat-insulation film containing porous plate-shaped filler aggregate
US-2016340256-A1 · Nov 24, 2016 · US
Sliding member
US-2016333932-A1 · Nov 17, 2016 · US
Prepreg, fibre-reinforced composite material, and particle-containing resin composition
US-2016289405-A1 · Oct 6, 2016 · US
Prepreg, fibre-reinforced composite material, and particle-containing resin composition
US-2016289403-A1 · Oct 6, 2016 · US
Prepreg, fibre-reinforced composite material, and particle-containing resin composition
US-2016289404-A1 · Oct 6, 2016 · US
Heat-Insulation Film, and Heat-Insulation-Film Structure
US-2016258383-A1 · Sep 8, 2016 · US
Antireflection member and manufacture method for the same
US-9423531-B2 · Aug 23, 2016 · US
Apparatus and Method for Manufacturing an Anti-counterfeit Three-dimensional Article
US-2016221114-A1 · Aug 4, 2016 · US
Absorbent articles with channel and related methods therefor
US-9387136-B2 · Jul 12, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B5/30?
- CPC B32B5/30 is the Cooperative Patent Classification code for “one layer {being formed of particles, e.g. chips,} granules, powder.”
- How many patents are filed under CPC B32B5/30 (one layer {being formed of particles, e.g. chips,} granules, powder)?
- Our database includes 568 publications tagged with this CPC code.
- Is patent activity under CPC B32B5/30 growing?
- Publication counts under this code: 45 in 2024 vs 32 in 2025 (latest complete years).