Baffles for heat exchangers
US-12595977-B2 · Apr 7, 2026 · US
from solutions
from solutions · 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 | B01D9/02 |
| Official title | from solutions |
| Display label | from solutions |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 3 |
| 2019 | 7 |
| 2020 | 5 |
| 2022 | 6 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 5 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Production system, production method and application of general-purpose high-purity chemicals
US-12539471-B2 · Feb 3, 2026 · US
Compositions and methods to separate cannabinoids from impurities by crystallization
US-2025368594-A1 · Dec 4, 2025 · US
Methods to separate cannabinoids from impurities by crystallization
US-12391637-B2 · Aug 19, 2025 · US
Multi-dimension, multi-mode chromatography methods for producing high purity, high yield lithium, cobalt, nickel, and manganese salts from waste lithium-ion batteries and other feedstocks
US-2025219178-A1 · Jul 3, 2025 · US
Production process and device for synthesizing bisphenol a by resin method
US-2025122138-A1 · Apr 17, 2025 · US
Continuous production of active pharmaceutical ingredients
US-12239943-B2 · Mar 4, 2025 · US
Tank used in refining device
US-2024286065-A1 · Aug 29, 2024 · US
Tank used in refining device
US-2024254071-A1 · Aug 1, 2024 · US
Method for producing easily polymerizable compound
US-2024254070-A1 · Aug 1, 2024 · US
Heat exchanger
US-2024252950-A1 · Aug 1, 2024 · US
Purification apparatus
US-2024252951-A1 · Aug 1, 2024 · US
Process for producing lithium hydroxide
US-2024240330-A1 · Jul 18, 2024 · US
Enantio-Specific Crystallization System and Method Thereof
US-2024181371-A1 · Jun 6, 2024 · US
Ion removing system
US-11939250-B2 · Mar 26, 2024 · US
Production system, production method and application of general-purpose high-purity chemicals
US-2024042343-A1 · Feb 8, 2024 · US
Purification device
US-2024010600-A1 · Jan 11, 2024 · US
Method for purifying compound
US-2024010599-A1 · Jan 11, 2024 · US
Continuous Production of Active Pharmaceutical Ingredients
US-2023405488-A1 · Dec 21, 2023 · US
Method and system for extracting long chain dicarboxylic acid
US-11806670-B2 · Nov 7, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D9/02?
- CPC B01D9/02 is the Cooperative Patent Classification code for “from solutions.”
- How many patents are filed under CPC B01D9/02 (from solutions)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B01D9/02 growing?
- Publication counts under this code: 11 in 2024 vs 5 in 2025 (latest complete years).