Method for preparing antibacterial and dust-removal membrane
US-9815029-B2 · Nov 14, 2017 · US
with wave-energy, particle-radiation or plasma
with wave-energy, particle-radiation or plasma · 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 | B01D67/009 |
| Official title | {with wave-energy, particle-radiation or plasma} |
| Display label | with wave-energy, particle-radiation or plasma |
| Total patents | 255 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 30 |
| 2017 | 23 |
| 2018 | 22 |
| 2019 | 21 |
| 2020 | 23 |
| 2021 | 26 |
| 2022 | 19 |
| 2023 | 23 |
| 2024 | 18 |
| 2025 | 26 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Healing of thin graphenic-based membranes via charged particle irradiation
US-2017296982-A1 · Oct 19, 2017 · US
Organic polymer thin membrane, and method for producing same
US-2017282130-A1 · Oct 5, 2017 · US
Method for controlling the size of solid-state nanopores
US-9777390-B2 · Oct 3, 2017 · US
Fabrication of nanopores using high electric fields
US-9777389-B2 · Oct 3, 2017 · US
Organic polymer thin membrane, and method for producing same
US-9687793-B2 · Jun 27, 2017 · US
Membrane with Performance Enhancing Multi-Level Macroscopic Cavities
US-2017165611-A1 · Jun 15, 2017 · US
High permeance membranes for gas separations
US-9669363-B2 · Jun 6, 2017 · US
Aromatic alkyl-substituted polyethersulfone and UV-cross-linked aromatic alkyl-substituted polyethersulfone membranes for gas sepratations
US-9662616-B2 · May 30, 2017 · US
Asymmetric articles with a porous substrate and a polymeric coating extending into the substrate and methods of making the same
US-2017144111-A1 · May 25, 2017 · US
Hollow fiber membrane module and manufacturing method thereof
US-2017072371-A1 · Mar 16, 2017 · US
Uv-irradiated hollow fiber membranes
US-2017043299-A1 · Feb 16, 2017 · US
Treated mixed matrix polymeric membranes
US-9522364-B2 · Dec 20, 2016 · US
UV and thermally treated polymeric membranes
US-9492785-B2 · Nov 15, 2016 · US
Ultrathin, graphene-based membranes for water treatment and methods of their formation and use
US-2016310908-A1 · Oct 27, 2016 · US
High permeance membranes for gas separations
US-2016303521-A1 · Oct 20, 2016 · US
Aromatic alkyl-substituted polyethersulfone and uv-cross-linked aromatic alkyl-substituted polyethersulfone membranes for gas separations
US-2016279580-A1 · Sep 29, 2016 · US
Gas separation composite membrane and method of producing the same, and gas separating module, gas separation apparatus and gas separation method using the same
US-9452392-B2 · Sep 27, 2016 · US
Ultraviolet and plasma-treated polymeric membranes
US-2016263532-A1 · Sep 15, 2016 · US
Treated mixed matrix polymeric membranes
US-2016263533-A1 · Sep 15, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D67/009?
- CPC B01D67/009 is the Cooperative Patent Classification code for “with wave-energy, particle-radiation or plasma.”
- How many patents are filed under CPC B01D67/009 (with wave-energy, particle-radiation or plasma)?
- Our database includes 255 publications tagged with this CPC code.
- Is patent activity under CPC B01D67/009 growing?
- Publication counts under this code: 18 in 2024 vs 26 in 2025 (latest complete years).