Multi-stage membrane distillation device and method
US-2023347292-A1 · Nov 2, 2023 · US
Accessories; Auxiliary operations
Accessories; Auxiliary operations · 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 | B01D61/368 |
| Official title | {Accessories; Auxiliary operations} |
| Display label | Accessories; Auxiliary operations |
| Total patents | 87 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 4 |
| 2018 | 1 |
| 2019 | 12 |
| 2020 | 11 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 4 |
| 2025 | 19 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Distributed energy source system utilizing waste heat deeply
US-11802058-B2 · Oct 31, 2023 · US
Multistage membrane distillation system for distilled water production
US-11712661-B2 · Aug 1, 2023 · US
Membrane distillation system with gas bubble source and method of use
US-2023192513-A1 · Jun 22, 2023 · US
Distributed energy source system utilizing waste heat deeply
US-2023109836-A1 · Apr 13, 2023 · US
Resonant thermal oscillator to improve output of a thermo-fluidic system
US-2023067663-A1 · Mar 2, 2023 · US
Thermocouple-based distillation module and method
US-2022401881-A1 · Dec 22, 2022 · US
Systems and methods for purifying aqueous solutions
US-2022379267-A1 · Dec 1, 2022 · US
Organic solvent purification method and purification system
US-2022371000-A1 · Nov 24, 2022 · US
Apparatus for inhibiting formation of calcium based crystal and apparatus for water treatment using the same
US-11440824-B2 · Sep 13, 2022 · US
Device for continuous seawater desalination and method thereof
US-2022220006-A1 · Jul 14, 2022 · US
System and method of water purification utilizing an ionomer membrane
US-11369897-B2 · Jun 28, 2022 · US
Soft sensing of system parameters in membrane distillation
US-11364468-B2 · Jun 21, 2022 · US
System and Process for Hybrid Membrane Distillation-Pervaporation
US-2022176321-A1 · Jun 9, 2022 · US
Porous membrane for membrane distillation, and method for operating membrane distillation module
US-11352270-B2 · Jun 7, 2022 · US
In situ detection system and method of detecting membrane wetting
US-2022143554-A1 · May 12, 2022 · US
Air gap membrane distillation
US-2022143553-A1 · May 12, 2022 · US
Membrane Distillation Module and Membrane Distillation Apparatus
US-2022001331-A1 · Jan 6, 2022 · US
Model-free controller and method for solar-based distillation system
US-2021394119-A1 · Dec 23, 2021 · US
Method and solar-based system for simultaneous electricity and fresh water generation
US-2021384865-A1 · Dec 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D61/368?
- CPC B01D61/368 is the Cooperative Patent Classification code for “Accessories; Auxiliary operations.”
- How many patents are filed under CPC B01D61/368 (Accessories; Auxiliary operations)?
- Our database includes 87 publications tagged with this CPC code.
- Is patent activity under CPC B01D61/368 growing?
- Publication counts under this code: 4 in 2024 vs 19 in 2025 (latest complete years).