Treatment system and method
US-2021388524-A1 · Dec 16, 2021 · US
Cooling or heating elements
Cooling or heating elements · 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 | B01D2313/22 |
| Official title | Cooling or heating elements |
| Display label | Cooling or heating elements |
| Total patents | 120 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 7 |
| 2017 | 5 |
| 2018 | 8 |
| 2019 | 16 |
| 2020 | 11 |
| 2021 | 11 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 13 |
| 2025 | 29 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heating device for a filtration assembly
US-2021291189-A1 · Sep 23, 2021 · US
Dehumidifier
US-11077400-B2 · Aug 3, 2021 · US
Apparatus for membrane distillation using solar absorber and heat pump
US-11052349-B2 · Jul 6, 2021 · US
Apparatus for membrane distillation using solar absorber and heat pump
US-2021077952-A1 · Mar 18, 2021 · US
Methods, systems, and apparatuses for treating fluids using thermal gradient osmosis
US-2021060488-A1 · Mar 4, 2021 · US
Thermally reflective membrane apparatuses, and related fluid treatment systems and methods
US-2021060492-A1 · Mar 4, 2021 · US
Membrane filter device
US-10935474-B1 · Mar 2, 2021 · US
Water treatment apparatus
US-10905986-B2 · Feb 2, 2021 · US
Sterilization water discharge device and water treatment device including same
US-10898837-B2 · Jan 26, 2021 · US
Separation apparatus and method of operating separation apparatus
US-2021016233-A1 · Jan 21, 2021 · US
Gas separation apparatus and gas separation method
US-2020376438-A1 · Dec 3, 2020 · US
Radiative treatment of liquids in desalination and other membrane processes
US-10828606-B2 · Nov 10, 2020 · US
Solar-thermal water purification by recycling photovoltaic reflection losses
US-10829391-B2 · Nov 10, 2020 · US
Induction heating module and water purifier having the same
US-10830493-B2 · Nov 10, 2020 · US
Oxygenator and method for manufacturing the same
US-2020345918-A1 · Nov 5, 2020 · US
Control of the concentration-polarization layer length in a microchannel-membrane system
US-2020330924-A1 · Oct 22, 2020 · US
Floating type membrane distillation module
US-10695720-B2 · Jun 30, 2020 · US
Osmotically and thermally isolated forward osmosis-membrane distillation (FO-MD) integrated module for water treatment applications
US-10688439-B2 · Jun 23, 2020 · US
Conductive thin-films for direct membrane surface electroheating
US-10654001-B2 · May 19, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2313/22?
- CPC B01D2313/22 is the Cooperative Patent Classification code for “Cooling or heating elements.”
- How many patents are filed under CPC B01D2313/22 (Cooling or heating elements)?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC B01D2313/22 growing?
- Publication counts under this code: 13 in 2024 vs 29 in 2025 (latest complete years).