Medicament Preparation and Treatment Devices, Methods, and Systems
US-2024277909-A1 · Aug 22, 2024 · US
using mixed beds
using mixed beds · 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 | C02F2001/427 |
| Official title | {using mixed beds} |
| Display label | using mixed beds |
| Total patents | 139 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 4 |
| 2017 | 7 |
| 2018 | 15 |
| 2019 | 12 |
| 2020 | 20 |
| 2021 | 18 |
| 2022 | 12 |
| 2023 | 18 |
| 2024 | 10 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
A Method For Producing Ultrapure Water
US-2020189938-A1 · Jun 18, 2020 · US
Ultrapure-water production system
US-2020171436-A1 · Jun 4, 2020 · US
Ion exchanging unit
US-2020165146-A1 · May 28, 2020 · US
Water purification apparatus of fuel cell generation system
US-10653976-B2 · May 19, 2020 · US
Method of evaluating level of cleanliness of hollow fiber membrane device, method of washing hollow fiber membrane device, and washing device for hollow fiber membrane device
US-2020070098-A1 · Mar 5, 2020 · US
Composite ion exchange media for liquid filtration systems
US-10576466-B2 · Mar 3, 2020 · US
Water Purification And Dispensing System And Method
US-2020055743-A1 · Feb 20, 2020 · US
A Method For Producing Ultrapure Water
US-2020024155-A1 · Jan 23, 2020 · US
A Method For Producing Ultrapure Water
US-2020024157-A1 · Jan 23, 2020 · US
Medicament Preparation and Treatment Devices, Methods, and Systems
US-2020009308-A1 · Jan 9, 2020 · US
Medicament preparation and treatment devices, methods, and systems
US-10478544-B2 · Nov 19, 2019 · US
Filter assembly with locking cover
US-10414671-B2 · Sep 17, 2019 · US
Ion exchange membrane, ion exchange membrane laminated body provided with ion exchange membrane, electrochemical cell provided with ion exchange membrane laminated body, and water treatment apparatus provided with electrochemical cell
US-10392273-B2 · Aug 27, 2019 · US
Ultrapure water production apparatus
US-2019217250-A1 · Jul 18, 2019 · US
Regeneration of mixed bed resins
US-10287186-B2 · May 14, 2019 · US
Wet cleaning apparatus and wet cleaning method
US-2019111391-A1 · Apr 18, 2019 · US
Electrodeionization device and pure-water production system
US-10252218-B2 · Apr 9, 2019 · US
Devices and methods for the remediation of groundwater
US-2019071330-A1 · Mar 7, 2019 · US
Method for treating waste water from the decontamination of a metal surface, waste-water treatment device and use of the waste-water treatment device
US-2019074099-A1 · Mar 7, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2001/427?
- CPC C02F2001/427 is the Cooperative Patent Classification code for “using mixed beds.”
- How many patents are filed under CPC C02F2001/427 (using mixed beds)?
- Our database includes 139 publications tagged with this CPC code.
- Is patent activity under CPC C02F2001/427 growing?
- Publication counts under this code: 10 in 2024 vs 10 in 2025 (latest complete years).