Medicament Preparation and Treatment Devices, Methods, and Systems
US-2024277909-A1 · Aug 22, 2024 · US
for obtaining ultra-pure water
for obtaining ultra-pure water · 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 | C02F2103/04 |
| Official title | for obtaining ultra-pure water |
| Display label | for obtaining ultra-pure water |
| Total patents | 375 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 16 |
| 2017 | 24 |
| 2018 | 29 |
| 2019 | 25 |
| 2020 | 48 |
| 2021 | 35 |
| 2022 | 35 |
| 2023 | 49 |
| 2024 | 44 |
| 2025 | 35 |
| 2026 | 13 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Porous support, composite semipermeable membrane and spiral wound separation membrane element
US-2017348645-A1 · Dec 7, 2017 · US
Ultrapure water production apparatus and ultrapure water production method
US-2017327396-A1 · Nov 16, 2017 · US
High capacity perchlorate-selective resins from hyperbranched macromolecules
US-9815712-B2 · Nov 14, 2017 · US
Hollow fiber membrane module and filtering method
US-9802842-B2 · Oct 31, 2017 · US
Medicament Preparation and Treatment Devices, Methods, and Systems
US-2017290970-A1 · Oct 12, 2017 · US
Gas-dissolved water production device and production method
US-2017282132-A1 · Oct 5, 2017 · US
Process for treating water with a counter-current ion exchange unit including silica and boron concentatration monitoring and regeneration thereof
US-9776892-B2 · Oct 3, 2017 · US
Ultrapure water producing method
US-2017267550-A1 · Sep 21, 2017 · US
Method and system for providing ultrapure water
US-9764968-B2 · Sep 19, 2017 · US
Method and apparatus for producing pure water
US-2017253499-A1 · Sep 7, 2017 · US
Permeation side flow path material for spiral membrane element and method for manufacturing same
US-2017239626-A1 · Aug 24, 2017 · US
System and method for measuring and treating a liquid stream
US-9725343-B2 · Aug 8, 2017 · US
Functional water producing apparatus and functional water producing method
US-2017216800-A1 · Aug 3, 2017 · US
Diaphragm valve with diaphragm seat carrier
US-2017184207-A1 · Jun 29, 2017 · US
Acidic electrolyzed water and production method therefor
US-2017156341-A1 · Jun 8, 2017 · US
Electrical purification apparatus and methods of manufacturing same
US-9656886-B2 · May 23, 2017 · US
Systems, compositions and methods for providing safe and healthy water and water-based products
US-9604861-B2 · Mar 28, 2017 · US
Method for treating organic-matter-containing water
US-9598297-B2 · Mar 21, 2017 · US
Head and Apparatus for Ion Exchange Service
US-2017022074-A1 · Jan 26, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2103/04?
- CPC C02F2103/04 is the Cooperative Patent Classification code for “for obtaining ultra-pure water.”
- How many patents are filed under CPC C02F2103/04 (for obtaining ultra-pure water)?
- Our database includes 375 publications tagged with this CPC code.
- Is patent activity under CPC C02F2103/04 growing?
- Publication counts under this code: 44 in 2024 vs 35 in 2025 (latest complete years).