Saline wastewater treatment system using solar-assisted heat pump
US-2024083794-A1 · Mar 14, 2024 · US
Energy recovery
Energy recovery · 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 | C02F2303/10 |
| Official title | Energy recovery |
| Display label | Energy recovery |
| Total patents | 486 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 30 |
| 2017 | 50 |
| 2018 | 45 |
| 2019 | 44 |
| 2020 | 34 |
| 2021 | 39 |
| 2022 | 51 |
| 2023 | 58 |
| 2024 | 48 |
| 2025 | 57 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Scale inhibition method and geothermal power generating device
US-9840429-B2 · Dec 12, 2017 · US
Engineered Stable Microorganism/Cell Communities
US-2017298339-A1 · Oct 19, 2017 · US
Method for the hydrothermal carbonisation of a biomass and associated device
US-2017210657-A1 · Jul 27, 2017 · US
Modular bioelectrochemical systems and methods
US-9685676-B2 · Jun 20, 2017 · US
Redox desalination system for clean water production and energy storage
US-9670077-B2 · Jun 6, 2017 · US
Water vapor distillation apparatus, method and system
US-9610518-B2 · Apr 4, 2017 · US
System and method for detecting time-bomb malware
US-9536091-B2 · Jan 3, 2017 · US
Fluid exchanger devices, pressure exchangers, and related methods
US-2016377096-A1 · Dec 29, 2016 · US
Systems and methods for geothermal energy harnessing from wells for water treatment
US-2016362309-A1 · Dec 15, 2016 · US
Water treatment system
US-2016346735-A1 · Dec 1, 2016 · US
Production of hydrogen using an anaerobic biological process
US-9506084-B2 · Nov 29, 2016 · US
Anaerobic electrochemical membrane bioreactor and process for wastewater treatment
US-2016326031-A1 · Nov 10, 2016 · US
Algal-sludge granule for wastewater treatment and bioenergy feedstock generation
US-2016318782-A1 · Nov 3, 2016 · US
Gasification Combined Generation System Through Coal and Industrial Waste Water
US-2016312697-A1 · Oct 27, 2016 · US
Fluid exchanger devices, pressure exchangers, and related methods
US-9435354-B2 · Sep 6, 2016 · US
Seawater desalination system and energy recovery device
US-2016250595-A1 · Sep 1, 2016 · US
Seawater desalination system
US-2016220957-A1 · Aug 4, 2016 · US
Water Vending Apparatus
US-2016220922-A1 · Aug 4, 2016 · US
Water Vapor Distillation Apparatus, Method and System
US-2016220921-A1 · Aug 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2303/10?
- CPC C02F2303/10 is the Cooperative Patent Classification code for “Energy recovery.”
- How many patents are filed under CPC C02F2303/10 (Energy recovery)?
- Our database includes 486 publications tagged with this CPC code.
- Is patent activity under CPC C02F2303/10 growing?
- Publication counts under this code: 48 in 2024 vs 57 in 2025 (latest complete years).