Method of Manufacturing a Three-Core Power Cable
US-2025336565-A1 · Oct 30, 2025 · US
filling-up interstices
filling-up interstices · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01B13/221 |
| Official title | {filling-up interstices} |
| Display label | filling-up interstices |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 4 |
| 2017 | 4 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 1 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Submarine dc power cable
US-2025285786-A1 · Sep 11, 2025 · US
Cable preparation and injection systems and methods
US-12394542-B2 · Aug 19, 2025 · US
Water-stop structure of wire and manufacturing method thereof
US-2024153672-A1 · May 9, 2024 · US
Method for Connecting Conductors in A Prefabricated Cable Accessory
US-2023420163-A1 · Dec 28, 2023 · US
Method of manufacturing a fire-resistant and/or fire-retardant cable
US-11837381-B2 · Dec 5, 2023 · US
Power Cable With Mechanical Support Layer
US-2023352213-A1 · Nov 2, 2023 · US
Method of manufacturing wire with terminal
US-11769963-B2 · Sep 26, 2023 · US
Method for manufacturing a fire-resistant and/or fire-retardant cable
US-2023109750-A1 · Apr 13, 2023 · US
Electric submersible pump (ESP) power cable splice containment filler
US-11587698-B2 · Feb 21, 2023 · US
Wire harness
US-11538608-B2 · Dec 27, 2022 · US
Electric vehicle supply equipment cables with gap extrusions
US-11453300-B2 · Sep 27, 2022 · US
Cable preparation and injection systems and methods
US-2022285052-A1 · Sep 8, 2022 · US
Electric submersible pump (esp) power cable splice containment filler
US-2022230781-A1 · Jul 21, 2022 · US
Coaxial cable system for gas turbine engine
US-11348705-B2 · May 31, 2022 · US
Method of manufacturing wire with terminal
US-2022131311-A1 · Apr 28, 2022 · US
Electric vehicle supply equipment cables with gap extrusions
US-2022041073-A1 · Feb 10, 2022 · US
Wire harness
US-2021134494-A1 · May 6, 2021 · US
Cable hose with conductive electromagnetic interference shield
US-10964451-B2 · Mar 30, 2021 · US
Cable
US-10943714-B2 · Mar 9, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01B13/221?
- CPC H01B13/221 is the Cooperative Patent Classification code for “filling-up interstices.”
- How many patents are filed under CPC H01B13/221 (filling-up interstices)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC H01B13/221 growing?
- Publication counts under this code: 1 in 2024 vs 3 in 2025 (latest complete years).