Method for recycling scrapped polyvinylidene fluoride (PVDF) membrane produced in water treatment
US-12121837-B2 · Oct 22, 2024 · US
Repairing membranes
Repairing membranes · 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 | B01D65/108 |
| Official title | {Repairing membranes} |
| Display label | Repairing membranes |
| Total patents | 63 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 6 |
| 2017 | 7 |
| 2018 | 5 |
| 2019 | 10 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 6 |
| 2023 | 5 |
| 2024 | 2 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Desalination performance restoration agent for cellulose acetate membrane and desalination performance restoration method for cellulose acetate membrane
US-12036513-B2 · Jul 16, 2024 · US
Method of evaluating separation membrane module
US-2023415099-A1 · Dec 28, 2023 · US
Method for evaluating covering state of silicone compound
US-2023398501-A1 · Dec 14, 2023 · US
Method of improving the effectiveness of an oxygen removal unit for a fuel supply system and the resulting oxygen removal unit
US-11801479-B2 · Oct 31, 2023 · US
Mitigating leaks in membranes
US-11717791-B2 · Aug 8, 2023 · US
Polyamide (PA) nanofiltration (NF) membrane, and preparation method thereof by regeneration from scrapped microfiltration (MF) membrane
US-11628405-B2 · Apr 18, 2023 · US
Desalination performance restoration agent for cellulose acetate membrane and desalination performance restoration method for cellulose acetate membrane
US-2022355253-A1 · Nov 10, 2022 · US
Repair method for separation membrane and method for manufacturing separation membrane structure
US-11471836-B2 · Oct 18, 2022 · US
Method for recycling scrapped polyvinylidene fluoride (pvdf) membrane produced in water treatment
US-2022297036-A1 · Sep 22, 2022 · US
Polyamide (pa) nanofiltration (nf) membrane, and preparation method thereof by regeneration from scrapped microfiltration (mf) membrane
US-2022266201-A1 · Aug 25, 2022 · US
Method of improving the effectiveness of an oxygen removal unit for a fuel supply system and the resulting oxygen removal unit
US-2022251382-A1 · Aug 11, 2022 · US
Ultrathin Membrane Fabrication
US-2022219124-A1 · Jul 14, 2022 · US
Separation membrane module and repairing method thereof
US-11065584-B2 · Jul 20, 2021 · US
Method for healing damaged separation membrane for water treatment using surface-functionalized silica microparticles
US-2021197128-A1 · Jul 1, 2021 · US
Method of post-treating zeolite membranes by using dye molecules
US-11027241-B2 · Jun 8, 2021 · US
Selective interfacial mitigation of graphene defects
US-10981120-B2 · Apr 20, 2021 · US
Hollow fiber membrane module repair method and hollow fiber membrane module
US-10898862-B2 · Jan 26, 2021 · US
Mitigating leaks in membranes
US-2020316528-A1 · Oct 8, 2020 · US
Mitigating leaks in membranes
US-10668435-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D65/108?
- CPC B01D65/108 is the Cooperative Patent Classification code for “Repairing membranes.”
- How many patents are filed under CPC B01D65/108 (Repairing membranes)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC B01D65/108 growing?
- Publication counts under this code: 2 in 2024 vs 3 in 2025 (latest complete years).