Rotational plasma generator and methods for treating thin-film fluids
US-2024424468-A1 · Dec 26, 2024 · US
employing two or more electrodes
employing two or more electrodes · 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 | B01J2219/0809 |
| Official title | employing two or more electrodes |
| Display label | employing two or more electrodes |
| Total patents | 206 |
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 | 23 |
| 2016 | 18 |
| 2017 | 20 |
| 2018 | 13 |
| 2019 | 22 |
| 2020 | 20 |
| 2021 | 9 |
| 2022 | 19 |
| 2023 | 24 |
| 2024 | 13 |
| 2025 | 20 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Methods utilizing active quantum chemistry
US-2024317612-A1 · Sep 26, 2024 · US
Decontamination and sterilization device with flexible enclosing cover using plasma and reactive gas
US-9849323-B2 · Dec 26, 2017 · US
System and method for mass production of graphene platelets in arc plasma
US-9839896-B2 · Dec 12, 2017 · US
Gliding arc plasmatron reactor with reverse vortex for the conversion of hydrocarbon fuel into synthesis gas
US-9834442-B2 · Dec 5, 2017 · US
Nanoelectrodes for water splitting
US-2017342577-A1 · Nov 30, 2017 · US
Methods, systems, and compositions for studying solvent accessibility and three-dimensional structure of biological molecules
US-2017336390-A1 · Nov 23, 2017 · US
Device for making charged nanoparticles
US-2017333926-A1 · Nov 23, 2017 · US
Microwave chemical processing
US-9812295-B1 · Nov 7, 2017 · US
Liquid treatment device and liquid treatment method
US-9814127-B2 · Nov 7, 2017 · US
Production apparatus and production method for fine particles
US-2017274344-A1 · Sep 28, 2017 · US
Reactor with cold turning plasma and stream forcing
US-9744517-B2 · Aug 29, 2017 · US
Plasma emitting method and plasma emitting device
US-2017182473-A1 · Jun 29, 2017 · US
Decontamination and sterilization device with flexible enclosing cover using plasma and reactive gas
US-2017182342-A1 · Jun 29, 2017 · US
Multi-tip spark discharge generator and method for producing nanoparticle structure using same
US-9669423-B2 · Jun 6, 2017 · US
Fine particle production apparatus and fine particle production method
US-2017136546-A1 · May 18, 2017 · US
Device for manufacturing organic hydride
US-2017130344-A1 · May 11, 2017 · US
Electrochemical isomerization of muconic acid
US-2017129995-A1 · May 11, 2017 · US
Liquid treatment device, liquid treatment method, and plasma treatment liquid
US-9540256-B2 · Jan 10, 2017 · US
Atmospheric pressure plasma processing of polymeric materials utilizing close proximity indirect exposure
US-2016355614-A1 · Dec 8, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J2219/0809?
- CPC B01J2219/0809 is the Cooperative Patent Classification code for “employing two or more electrodes.”
- How many patents are filed under CPC B01J2219/0809 (employing two or more electrodes)?
- Our database includes 206 publications tagged with this CPC code.
- Is patent activity under CPC B01J2219/0809 growing?
- Publication counts under this code: 13 in 2024 vs 20 in 2025 (latest complete years).