Method and system for waste treatment
US-12358821-B2 · Jul 15, 2025 · US
with electrons
with electrons · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F1/305 |
| Official title | {with electrons} |
| Display label | with electrons |
| Total patents | 46 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 7 |
| 2017 | 7 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 5 |
| 2022 | 3 |
| 2023 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultrapure water manufacturing facility
US-2023264997-A1 · Aug 24, 2023 · US
Liquid treatment device
US-11618695-B2 · Apr 4, 2023 · US
Method and system for waste treatment
US-2023083257-A1 · Mar 16, 2023 · US
Water purification system
US-2022396504-A1 · Dec 15, 2022 · US
Water purification system
US-11465920-B2 · Oct 11, 2022 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-11278861-B2 · Mar 22, 2022 · US
Systems and methods for interior energy-activation from an exterior source
US-11173467-B2 · Nov 16, 2021 · US
Method for removing antibiotic resistance gene by using ionizing radiation
US-2021162475-A1 · Jun 3, 2021 · US
Method for irradiating a liquid with accelerated electrons
US-10980903-B2 · Apr 20, 2021 · US
Use of Tertiary Treated Sewage Effluent Sterilized With Ionizing Radiation in Upstream Well Applications
US-2021009444-A1 · Jan 14, 2021 · US
Water purification system
US-2021009443-A1 · Jan 14, 2021 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-2020306717-A1 · Oct 1, 2020 · US
Liquid treatment device
US-2020262722-A1 · Aug 20, 2020 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-10717062-B2 · Jul 21, 2020 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-10682624-B2 · Jun 16, 2020 · US
Method for Treating Radioactive Liquid Waste
US-2020143952-A1 · May 7, 2020 · US
Systems and methods for interior energy-activation from an exterior source
US-10363541-B2 · Jul 30, 2019 · US
Method for irradiating a liquid with accelerated electrons
US-2019175769-A1 · Jun 13, 2019 · US
Plasmonic assisted systems and methods for interior energy-activation from an exterior source
US-2019134595-A1 · May 9, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/305?
- CPC C02F1/305 is the Cooperative Patent Classification code for “with electrons.”
- How many patents are filed under CPC C02F1/305 (with electrons)?
- Our database includes 46 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/305 growing?
- Publication counts under this code: 3 in 2023 vs 1 in 2025 (latest complete years).