Water purifier
US-10874986-B2 · Dec 29, 2020 · US
Concentration control
Concentration control · 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 | B01D2311/246 |
| Official title | Concentration control |
| Display label | Concentration control |
| Total patents | 134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 9 |
| 2017 | 8 |
| 2018 | 4 |
| 2019 | 14 |
| 2020 | 20 |
| 2021 | 13 |
| 2022 | 18 |
| 2023 | 16 |
| 2024 | 10 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water conditioning systems
US-2020384413-A1 · Dec 10, 2020 · US
A water purification apparatus, and a method for optimizing efficiency of a water purification apparatus
US-2020354232-A1 · Nov 12, 2020 · US
System and method for dialyzer evaluation
US-2020353145-A1 · Nov 12, 2020 · US
Nanoporous membranes for fast diffusion of ions and small molecules
US-2020338505-A1 · Oct 29, 2020 · US
System and method for dialyzer evaluation
US-10765792-B2 · Sep 8, 2020 · US
High water efficiency tds creep solution
US-2020231465-A1 · Jul 23, 2020 · US
Water conditioning systems
US-10717046-B2 · Jul 21, 2020 · US
System and method for dialyzer evaluation
US-2020188567-A1 · Jun 18, 2020 · US
Micro flow filtration system and integrated microfluidic element
US-2020149578-A9 · May 14, 2020 · US
Water conditioning systems having diversion devices
US-2020147549-A1 · May 14, 2020 · US
Method and device for testing the effectiveness of magnetic treatment of feed water for reducing mineral scaling in reverse osmosis processes
US-10648957-B2 · May 12, 2020 · US
System and method for dialyzer evaluation
US-10625011-B2 · Apr 21, 2020 · US
Method and system for water treatment
US-10625211-B2 · Apr 21, 2020 · US
Method for filtering protein-containing liquid
US-2020094190-A1 · Mar 26, 2020 · US
Water conditioning systems having diversion devices
US-10549239-B2 · Feb 4, 2020 · US
Process and apparatus for enriching silicate in drinking water
US-2020024173-A1 · Jan 23, 2020 · US
Method for reducing monovalent ions in concentrate of nanofiltration system and the nanofiltration system
US-2020023317-A1 · Jan 23, 2020 · US
Membrane separation device and membrane separation method
US-2020001240-A1 · Jan 2, 2020 · US
Method for managing operation of reverse osmosis membrane device and reverse osmosis membrane treatment system
US-2019381456-A1 · Dec 19, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2311/246?
- CPC B01D2311/246 is the Cooperative Patent Classification code for “Concentration control.”
- How many patents are filed under CPC B01D2311/246 (Concentration control)?
- Our database includes 134 publications tagged with this CPC code.
- Is patent activity under CPC B01D2311/246 growing?
- Publication counts under this code: 10 in 2024 vs 14 in 2025 (latest complete years).