Super water repellent polymer hierarchical structure, heat exchanger having super water repellency, and manufacturing method therefor
US-10503063-B2 · Dec 10, 2019 · US
with nanostructures · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F28F2255/20 |
| Official title | with nanostructures |
| Display label | with nanostructures |
| Total patents | 121 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 12 |
| 2017 | 18 |
| 2018 | 14 |
| 2019 | 22 |
| 2020 | 17 |
| 2021 | 13 |
| 2022 | 5 |
| 2023 | 7 |
| 2024 | 2 |
| 2025 | 4 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-10503063-B2 · Dec 10, 2019 · US
US-10492333-B2 · Nov 26, 2019 · US
US-10457845-B2 · Oct 29, 2019 · US
US-2019293369-A1 · Sep 26, 2019 · US
US-2019277584-A1 · Sep 12, 2019 · US
US-2019195576-A1 · Jun 27, 2019 · US
US-10287037-B2 · May 14, 2019 · US
US-2019120571-A1 · Apr 25, 2019 · US
US-10209017-B2 · Feb 19, 2019 · US
US-2018374778-A1 · Dec 27, 2018 · US
US-2018340108-A1 · Nov 29, 2018 · US
US-10138404-B1 · Nov 27, 2018 · US
US-2018266776-A1 · Sep 20, 2018 · US
US-10077391-B2 · Sep 18, 2018 · US
US-2018228054-A1 · Aug 9, 2018 · US
US-10018428-B2 · Jul 10, 2018 · US
US-2018180329-A9 · Jun 28, 2018 · US
US-2018163110-A1 · Jun 14, 2018 · US
US-2018149436-A1 · May 31, 2018 · US
US-2018112928-A1 · Apr 26, 2018 · US
Answers are generated from the same data shown on this page.