Gas separation apparatus and gas separation method
US-11534722-B2 · Dec 27, 2022 · US
in parallel connexion
in parallel connexion · 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 | B01D53/227 |
| Official title | {in parallel connexion} |
| Display label | in parallel connexion |
| Total patents | 105 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2016 | 8 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 5 |
| 2020 | 11 |
| 2021 | 14 |
| 2022 | 14 |
| 2023 | 11 |
| 2024 | 12 |
| 2025 | 14 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reducing energy consumption for marine and offshore membrane applications
US-2022401878-A1 · Dec 22, 2022 · US
Apparatus and installation for supplying a gas mixture to a patient
US-11517703-B2 · Dec 6, 2022 · US
Moisture removing device for a laundry appliance that incorporates a nanopore membrane
US-11465097-B2 · Oct 11, 2022 · US
Membrane module for mitigating evaporative fuel emissions of automobiles
US-11439948-B2 · Sep 13, 2022 · US
Membrane permeate recycle process for use with pressure swing adsorption processes
US-11376548-B2 · Jul 5, 2022 · US
Membrane separation unit, arrangement of membrane separation units, and membrane separation process
US-2022176319-A1 · Jun 9, 2022 · US
Method for purifying biogas through membranes at negative temperatures
US-2022152552-A1 · May 19, 2022 · US
Inert gas generator for an inerting system of an aircraft system of an aircraft fuel tank, and inerting method
US-11241653-B2 · Feb 8, 2022 · US
Membrane permeate recycle system for use with pressure swing adsorption apparatus
US-11207636-B2 · Dec 28, 2021 · US
Hydrogen Production with Membrane Reactor
US-2021395085-A1 · Dec 23, 2021 · US
System and method for removing water and hydrogen from anode exhaust
US-11201337-B2 · Dec 14, 2021 · US
Nitrous oxide purification method
US-2021309520-A1 · Oct 7, 2021 · US
Gas separation device
US-11135545-B2 · Oct 5, 2021 · US
Membrane permeation treatment with adjustment of the number of membranes used as a function of the pressure of the feed gas flow
US-2021283549-A1 · Sep 16, 2021 · US
Systems and methods for removing organic compounds from steam
US-2021239314-A1 · Aug 5, 2021 · US
Membrane permeation treatment with adjustment of the number of membranes used as a function of the pressure of the feed gas flow
US-11052345-B2 · Jul 6, 2021 · US
Membrane module for mitigating evaporative fuel emissions of automobiles
US-2021170327-A1 · Jun 10, 2021 · US
Helium extraction from natural gas
US-10962283-B2 · Mar 30, 2021 · US
Membrane permeate recycle system for use with pressure swing adsorption apparatus
US-2021060482-A1 · Mar 4, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D53/227?
- CPC B01D53/227 is the Cooperative Patent Classification code for “in parallel connexion.”
- How many patents are filed under CPC B01D53/227 (in parallel connexion)?
- Our database includes 105 publications tagged with this CPC code.
- Is patent activity under CPC B01D53/227 growing?
- Publication counts under this code: 12 in 2024 vs 14 in 2025 (latest complete years).