Mobile humidification-dehumidification desalination systems and methods
US-2016375375-A1 · Dec 29, 2016 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C02F1/04 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 392 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 45 |
| 2016 | 30 |
| 2017 | 29 |
| 2018 | 33 |
| 2019 | 35 |
| 2020 | 34 |
| 2021 | 38 |
| 2022 | 38 |
| 2023 | 46 |
| 2024 | 34 |
| 2025 | 27 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Waste pond volume management
US-2016362306-A1 · Dec 15, 2016 · US
Systems including an apparatus comprising both a humidification region and a dehumidification region
US-2016339356-A1 · Nov 24, 2016 · US
Systems including a condensing apparatus such as a bubble column condenser
US-9468864-B2 · Oct 18, 2016 · US
Desalination system and method for desalination
US-2016289095-A1 · Oct 6, 2016 · US
Wastewater treatment process
US-9458038-B2 · Oct 4, 2016 · US
Methods and processes to recycle base oil fluids from spent invert emulsion drilling fluids
US-2016273285-A1 · Sep 22, 2016 · US
Water Vapor Distillation Apparatus, Method and System
US-2016244338-A1 · Aug 25, 2016 · US
Desalination system and method for desalination
US-9416031-B2 · Aug 16, 2016 · US
Process for the purification of an aqueous stream coming from the fischer-tropsch reaction
US-9403693-B2 · Aug 2, 2016 · US
Apparatus and method for evaporating waste water and reducing acid gas emissions
US-9352274-B2 · May 31, 2016 · US
Spherical desalination device
US-9327207-B2 · May 3, 2016 · US
Wastewater treatment processes employing high rate chemical softening systems
US-2016102006-A1 · Apr 14, 2016 · US
Method for the separation of ammonia and carbon dioxide from aqueous solutions
US-2016082394-A1 · Mar 24, 2016 · US
Thermal water treatment for stig power station concepts
US-2016069221-A1 · Mar 10, 2016 · US
Multi-Stage Bubble Column Humidifier
US-2015368121-A1 · Dec 24, 2015 · US
Pervaporation membrane and method for concentrating phenols
US-2015367292-A1 · Dec 24, 2015 · US
Humidification-dehumidifaction desalination system
US-2015353377-A1 · Dec 10, 2015 · US
Methods and processes to recycle base oil fluids from spent invert emulsion drilling fluids
US-2015345273-A1 · Dec 3, 2015 · US
Systems including a condensing apparatus such as a bubble column condenser
US-2015329377-A1 · Nov 19, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F1/04?
- CPC C02F1/04 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C02F1/04 (Chemistry & Metallurgy)?
- Our database includes 392 publications tagged with this CPC code.
- Is patent activity under CPC C02F1/04 growing?
- Publication counts under this code: 34 in 2024 vs 27 in 2025 (latest complete years).