Use of a filter module for filtering a biotechnical liquid and filter module for the filtration of a biotechnical liquid
US-2023142123-A1 · May 11, 2023 · US
Pressure vessels
Pressure vessels · 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 | B01D2313/2011 |
| Official title | Pressure vessels |
| Display label | Pressure vessels |
| Total patents | 70 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 9 |
| 2018 | 7 |
| 2019 | 5 |
| 2020 | 7 |
| 2021 | 9 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 1 |
| 2025 | 9 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reverse osmosis apparatus and seawater desalination system having the same
US-11617987-B2 · Apr 4, 2023 · US
Hybrid filter assembly and method
US-2023087869-A1 · Mar 23, 2023 · US
Membrane filter apparatus for liquid mixtures
US-11572291-B2 · Feb 7, 2023 · US
High-pressure vessel for packaging hollow fiber type membranes for the separation process with contactors
US-2023001357-A1 · Jan 5, 2023 · US
Reverse osmosis apparatus and seawater desalination system having the same
US-11498860-B2 · Nov 15, 2022 · US
Membrane filter apparatus for liquid mixtures
US-2022259080-A1 · Aug 18, 2022 · US
Concentration membrane, concentration device, concentration system, and concentration method for biological particles, and method for detecting biological particles
US-2022251519-A1 · Aug 11, 2022 · US
Improved gas exchange system and method
US-2022226781-A1 · Jul 21, 2022 · US
Fuel cell humidifier and packing member for same
US-2022181655-A1 · Jun 9, 2022 · US
Oxygenator with pressure relief and sampling
US-2022176024-A1 · Jun 9, 2022 · US
Method of filtration, method of desalinating sea water, method of producing fresh water, hollow fiber membrane module, and sea water desalination system
US-2022143557-A1 · May 12, 2022 · US
Gas separation membrane module with membrane elements arranged in series
US-11318412-B2 · May 3, 2022 · US
Measurement of pressure differences within a vessel of spiral wound membrane modules
US-2022062826-A1 · Mar 3, 2022 · US
Filtration system with macroporous support and gasketed membrane filter
US-11235991-B1 · Feb 1, 2022 · US
Spiral wound assembly with integrated flow restrictor and sensor
US-11214500-B2 · Jan 4, 2022 · US
Method for filtering liquid mixture
US-11203537-B1 · Dec 21, 2021 · US
Spiral wound module assembly including integrated pressure monitoring
US-11198098-B2 · Dec 14, 2021 · US
Reverse osmosis apparatus and seawater desalination system having the same
US-2021379532-A1 · Dec 9, 2021 · US
Reverse osmosis apparatus and seawater desalination system having the same
US-2021380453-A1 · Dec 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2313/2011?
- CPC B01D2313/2011 is the Cooperative Patent Classification code for “Pressure vessels.”
- How many patents are filed under CPC B01D2313/2011 (Pressure vessels)?
- Our database includes 70 publications tagged with this CPC code.
- Is patent activity under CPC B01D2313/2011 growing?
- Publication counts under this code: 1 in 2024 vs 9 in 2025 (latest complete years).