Ion conductive spacer, preparing process thereof and electrodialysis reversal stack
US-2019358589-A1 · Nov 28, 2019 · US
Specific spacers
Specific spacers · 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 | B01D2313/14 |
| Official title | Specific spacers |
| Display label | Specific spacers |
| Total patents | 183 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 10 |
| 2017 | 11 |
| 2018 | 10 |
| 2019 | 23 |
| 2020 | 19 |
| 2021 | 14 |
| 2022 | 20 |
| 2023 | 15 |
| 2024 | 22 |
| 2025 | 17 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Flow plate for a humidifier
US-2019305336-A1 · Oct 3, 2019 · US
Compact Spiral-Wound Filter Elements, Modules And Systems
US-2019282963-A1 · Sep 19, 2019 · US
Spacer film with integrated lamination strip
US-2019282964-A1 · Sep 19, 2019 · US
Spiral membrane element
US-2019255487-A1 · Aug 22, 2019 · US
Flow plate for a humidifier
US-2019260044-A1 · Aug 22, 2019 · US
Spiral membrane element
US-2019247794-A1 · Aug 15, 2019 · US
Dust and splash-proof filter
US-2019232231-A1 · Aug 1, 2019 · US
Method of producing flat sheet membrane element and flat sheet membrane element
US-10335744-B2 · Jul 2, 2019 · US
Fouling resistant membrane spacers
US-2019111399-A1 · Apr 18, 2019 · US
Systems and methods for utilizing crossflow filtration for cell enrichment
US-2019105609-A1 · Apr 11, 2019 · US
Micro flow filtration system and flow filtration method
US-10213742-B2 · Feb 26, 2019 · US
Electrochemical cell, water treatment device provided with same, and operating method for water treatment device
US-2018369755-A1 · Dec 27, 2018 · US
Flat filter for water treatment, and filter module for water treatment using same
US-2018339247-A1 · Nov 29, 2018 · US
Filtration system for preparation of fluids for medical applications
US-10130746-B2 · Nov 20, 2018 · US
Rotary filter arrangement having a plurality of hollow shafts
US-2018326358-A1 · Nov 15, 2018 · US
Membrane filtration system and membrane bioreactor including the same
US-2018147536-A1 · May 31, 2018 · US
Membrane filtration system and membrane bioreactor including the same
US-2018147538-A1 · May 31, 2018 · US
Membrane filtration system and membrane bioreactor including the same
US-2018147537-A1 · May 31, 2018 · US
Oxidation method
US-2018118590-A1 · May 3, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2313/14?
- CPC B01D2313/14 is the Cooperative Patent Classification code for “Specific spacers.”
- How many patents are filed under CPC B01D2313/14 (Specific spacers)?
- Our database includes 183 publications tagged with this CPC code.
- Is patent activity under CPC B01D2313/14 growing?
- Publication counts under this code: 22 in 2024 vs 17 in 2025 (latest complete years).