System and method for recovering nutrients from a high nitrogenous liquid waste
US-2024083791-A1 · Mar 14, 2024 · US
Temperature
Temperature · 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 | C02F2209/02 |
| Official title | Temperature |
| Display label | Temperature |
| Total patents | 1,134 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 48 |
| 2016 | 51 |
| 2017 | 67 |
| 2018 | 71 |
| 2019 | 84 |
| 2020 | 91 |
| 2021 | 119 |
| 2022 | 154 |
| 2023 | 143 |
| 2024 | 129 |
| 2025 | 140 |
| 2026 | 37 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Grey water system
US-2024051852-A1 · Feb 15, 2024 · US
Energy efficient system and process for treating sludge
US-9527760-B2 · Dec 27, 2016 · US
Water treatment plant controlling method and controlling program, and water treatment system
US-2016362305-A1 · Dec 15, 2016 · US
Monitoring hydraulic fracturing
US-9477238-B2 · Oct 25, 2016 · US
Forward osmosis device, and forward osmosis method
US-2016236951-A1 · Aug 18, 2016 · US
Method of maintaining water quality in a process stream
US-9409110-B2 · Aug 9, 2016 · US
System and method for treating contaminated wastewater
US-2016185627-A1 · Jun 30, 2016 · US
System and Method To Process Effluent Brine And Interface Rag From An Oil Dehydration/Desalting System
US-2016129373-A1 · May 12, 2016 · US
Fluid purifying apparatus
US-9260330-B2 · Feb 16, 2016 · US
Systems and methods for maximizing dissolved gas concentration of a single species of gas from a mixture of multiple gases
US-9248415-B2 · Feb 2, 2016 · US
Heavy metal removal from waste streams
US-9242878-B2 · Jan 26, 2016 · US
Water treatment systems, devices, and methods for fluid preparation
US-2015374895-A1 · Dec 31, 2015 · US
Waste heat water purifier and cooling system
US-2015376031-A1 · Dec 31, 2015 · US
Waste remediation
US-9222665-B2 · Dec 29, 2015 · US
Pasteurization system with purification of the process liquid
US-2015368135-A1 · Dec 24, 2015 · US
Method for adsorbing fluorocarboxylic acid having ether bond and method for collecting same
US-9199862-B2 · Dec 1, 2015 · US
Removal of metals from water
US-9199867-B2 · Dec 1, 2015 · US
Method for producing polyhydroxyalkanoates by microorganisms
US-2015337344-A1 · Nov 26, 2015 · US
Thermo-oxidation of municipal wastewater treatment plant sludge for production of class a biosolids
US-2015329393-A1 · Nov 19, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C02F2209/02?
- CPC C02F2209/02 is the Cooperative Patent Classification code for “Temperature.”
- How many patents are filed under CPC C02F2209/02 (Temperature)?
- Our database includes 1,134 publications tagged with this CPC code.
- Is patent activity under CPC C02F2209/02 growing?
- Publication counts under this code: 129 in 2024 vs 140 in 2025 (latest complete years).