Water-absorbent resin composition, water-blocking material, and cable
US-2026092132-A1 · Apr 2, 2026 · US
using hygroscopic material or material swelling in the presence of liquid
using hygroscopic material or material swelling in the presence of liquid · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01B7/288 |
| Official title | using hygroscopic material or material swelling in the presence of liquid |
| Display label | using hygroscopic material or material swelling in the presence of liquid |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2019 | 4 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 4 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dynamic power cable arrangement with moisture ingress detection device
US-2026036446-A1 · Feb 5, 2026 · US
Hybrid drop cable
US-2026004952-A1 · Jan 1, 2026 · US
Hybrid drop cable
US-12431262-B2 · Sep 30, 2025 · US
AC submarine power cable with reduced losses
US-12367991-B2 · Jul 22, 2025 · US
Multi-core cable
US-2025218621-A1 · Jul 3, 2025 · US
Power cable
US-2025210229-A1 · Jun 26, 2025 · US
Composite water blocking and shielding tape for water blocking in a compact cable
US-2024221975-A1 · Jul 4, 2024 · US
Water swellable semi-conductive tape
US-2024145126-A1 · May 2, 2024 · US
Hybrid Drop Cable
US-2023360822-A1 · Nov 9, 2023 · US
AC Submarine Power Cable With Reduced Losses
US-2023019405-A1 · Jan 19, 2023 · US
HVDC power cable with water-blocking capability
US-11437166-B2 · Sep 6, 2022 · US
Power cable with conductor strand fill containing recycled crosslinked compounds
US-11410795-B2 · Aug 9, 2022 · US
HVDC Power Cable With Water-Blocking Capability
US-2022208416-A1 · Jun 30, 2022 · US
Waterproofing structure and waterproofing method for shielded cable
US-11177056-B2 · Nov 16, 2021 · US
Power cable with conductor strand fill containing recycled crosslinked compounds
US-2021304921-A1 · Sep 30, 2021 · US
Method for extracting crosslinking by-products from a crosslinked electrically insulating system of a power cable and related power cable
US-10930414-B2 · Feb 23, 2021 · US
Cable connection
US-10840613-B2 · Nov 17, 2020 · US
Electrical conductor comprised of solid segments
US-10839986-B2 · Nov 17, 2020 · US
Method for extracting crosslinking by-products from a crosslinked electrically insulating system of a power cable and related power cable
US-2020273604-A1 · Aug 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01B7/288?
- CPC H01B7/288 is the Cooperative Patent Classification code for “using hygroscopic material or material swelling in the presence of liquid.”
- How many patents are filed under CPC H01B7/288 (using hygroscopic material or material swelling in the presence of liquid)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC H01B7/288 growing?
- Publication counts under this code: 2 in 2024 vs 4 in 2025 (latest complete years).