Reservoir desilting device having funnel with bivariate normal surface
US-12416126-B2 · Sep 16, 2025 · US
Fixed Constructions
Fixed Constructions · Cooperative Patent Classification (CPC)
Building, mining, and civil engineering structures.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | E02B3/02 |
| Official title | — |
| Display label | Fixed Constructions (mapped technology topic) |
| Total patents | 17 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 1 |
| 2018 | 2 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 4 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Movable water-permeable pile spur dike and operation method thereof
US-12252855-B2 · Mar 18, 2025 · US
Pier scour protection method by combinating a downward bivariate normal distribution surface and granular mixture
US-11987941-B2 · May 21, 2024 · US
Reservoir Desilting Device Having Funnel with Bivariate Normal Surface
US-2024110351-A1 · Apr 4, 2024 · US
Main stream reservoir ecological modulation method considering incoming water from interval tributaries
US-11866897-B2 · Jan 9, 2024 · US
Movable water-permeable pile spur dike and operation method thereof
US-2024003107-A1 · Jan 4, 2024 · US
Main stream reservoir ecological modulation method considering incoming water from interval tributaries
US-2023340742-A1 · Oct 26, 2023 · US
Treatment method for a river system in a reservoir area and treatment system
US-11753793-B2 · Sep 12, 2023 · US
Treatment method for a river system in a reservoir area and treatment system
US-2023129304-A1 · Apr 27, 2023 · US
Pier scour protection method by combinating a downward bivariate normal distribution surface and granular mixture
US-2022235524-A1 · Jul 28, 2022 · US
Method and apparatus for stabilizing gas/liquid flow in a vertical conduit
US-11099584-B2 · Aug 24, 2021 · US
Method for protecting ecology of coastal mudflat and system used in the method
US-2021161109-A1 · Jun 3, 2021 · US
Biohydrochemical enhancement structure for stream-water treatment
US-10570578-B2 · Feb 25, 2020 · US
Method and apparatus for stabilizing gas/liquid flow in a vertical conduit
US-2018275686-A1 · Sep 27, 2018 · US
Method for limiting freshet levels and controlling floods
US-9885161-B2 · Feb 6, 2018 · US
Method For Limiting Freshet Levels And Controlling Floods
US-2016122960-A1 · May 5, 2016 · US
Biohydrochemical enhancement structure for stream-water treatment
US-2015337511-A1 · Nov 26, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC E02B3/02?
- CPC E02B3/02 is the Cooperative Patent Classification code for “Fixed Constructions.”
- How many patents are filed under CPC E02B3/02 (Fixed Constructions)?
- Our database includes 17 publications tagged with this CPC code.
- Is patent activity under CPC E02B3/02 growing?
- Publication counts under this code: 4 in 2024 vs 2 in 2025 (latest complete years).