Saline wastewater treatment system using solar-assisted heat pump
US-2024083794-A1 · Mar 14, 2024 · US
using solar energy
using solar energy · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C02F1/14 |
| Official title | using solar energy |
| Display label | using solar energy |
| Total patents | 296 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 11 |
| 2017 | 11 |
| 2018 | 21 |
| 2019 | 32 |
| 2020 | 28 |
| 2021 | 28 |
| 2022 | 34 |
| 2023 | 28 |
| 2024 | 50 |
| 2025 | 32 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Energy efficient humidification-dehumidification desalination system
US-10456780-B1 · Oct 29, 2019 · US
Wood-based solar thermal devices, and methods for fabrication and use thereof
US-2018356127-A1 · Dec 13, 2018 · US
Solar powered water purification device with cylindrical structure
US-10150050-B2 · Dec 11, 2018 · US
Solar powered water purification device with cylindrical structure
US-10150049-B2 · Dec 11, 2018 · US
Composite material device
US-2018346346-A1 · Dec 6, 2018 · US
Coupling photovoltaic, concentrated solar power, and wind technologies for desalination
US-2018339916-A1 · Nov 29, 2018 · US
Systems and methods for continuous contacting tunnel desalination
US-10138140-B2 · Nov 27, 2018 · US
Hybrid hydrogel for highly efficient solar generation of steam
US-2018327279-A1 · Nov 15, 2018 · US
Liquid purification methods and apparatus
US-2018272248-A1 · Sep 27, 2018 · US
Coupling photovoltaic and concentrated solar power technologies for desalination
US-10065868-B2 · Sep 4, 2018 · US
Water Preparation System For Dialysis Treatments
US-2018236156-A1 · Aug 23, 2018 · US
Liquid purification methods and apparatus
US-10035080-B2 · Jul 31, 2018 · US
Solar cooling and water salination system
US-10022646-B1 · Jul 17, 2018 · US
Apparatus, system and method for resource distribution
US-10017399-B2 · Jul 10, 2018 · US
Arrangement for providing sterile water for injection purposes
US-2018133653-A1 · May 17, 2018 · US
Water distillation system
US-2018111092-A1 · Apr 26, 2018 · US
Vacuum Membrane Desalination System
US-2018093905-A1 · Apr 5, 2018 · US
Solar-Thermal Water Purification by Recycling Photovoltaic Reflection Losses
US-2018079658-A1 · Mar 22, 2018 · US
Household solar still with easy operation and maintenance and enhanced output
US-9908790-B2 · Mar 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/14?
- CPC C02F1/14 is the Cooperative Patent Classification code for “using solar energy.”
- How many patents are filed under CPC C02F1/14 (using solar energy)?
- Our database includes 296 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/14 growing?
- Publication counts under this code: 50 in 2024 vs 32 in 2025 (latest complete years).