Batch-type apparatus for filtering
US-12576351-B2 · Mar 17, 2026 · US
Multi-way valves
Multi-way valves · 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 | B01D2201/165 |
| Official title | Multi-way valves |
| Display label | Multi-way valves |
| Total patents | 45 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 3 |
| 2019 | 3 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 5 |
| 2023 | 9 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Substrate processing apparatus and substrate processing method
US-2026076133-A1 · Mar 12, 2026 · US
Oil filter with two filtrate outlets and vehicle lubrication circuit
US-12564801-B2 · Mar 3, 2026 · US
Filtration system and method for synchronizing permeate and retentate flow
US-12427454-B2 · Sep 30, 2025 · US
Vacuum assisted filtration
US-12427451-B2 · Sep 30, 2025 · US
Milking device with a milk filter
US-12329120-B2 · Jun 17, 2025 · US
Water sediment filter assembly
US-12303811-B2 · May 20, 2025 · US
Filter, water filter, and above-ground pool
US-2025010222-A1 · Jan 9, 2025 · US
Filtration system and method
US-2024335776-A1 · Oct 10, 2024 · US
Piping apparatus for straining and method for same
US-2024316481-A1 · Sep 26, 2024 · US
Filter head, filter and filter assembly
US-2024238706-A1 · Jul 18, 2024 · US
Oil filter, lubrication circuit including this filter and vehicle equipped with the lubrication circuit
US-2024149192-A1 · May 9, 2024 · US
Vacuum assisted filtration
US-2024149193-A1 · May 9, 2024 · US
Water sediment filter assembly
US-2024123375-A1 · Apr 18, 2024 · US
Water purifying apparatus and refrigerator including the same
US-2024043285-A1 · Feb 8, 2024 · US
Leak detection and response system for a pressure vessel
US-2023398477-A1 · Dec 14, 2023 · US
Water purifying apparatus and refrigerator including the same
US-11827532-B2 · Nov 28, 2023 · US
Modular device for fixed arrangement and interconnection of individual separation units and/or function units
US-2023372844-A1 · Nov 23, 2023 · US
Batch-type apparatus for filtering
US-2023364537-A1 · Nov 16, 2023 · US
Controller for a manifold assembly in a water filter system
US-11745127-B2 · Sep 5, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2201/165?
- CPC B01D2201/165 is the Cooperative Patent Classification code for “Multi-way valves.”
- How many patents are filed under CPC B01D2201/165 (Multi-way valves)?
- Our database includes 45 publications tagged with this CPC code.
- Is patent activity under CPC B01D2201/165 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).