Low dielectric, low loss radomes and materials for low dielectric, low loss radomes
US-12519219-B2 · Jan 6, 2026 · US
comprising a layer of expanded material
comprising a layer of expanded material · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01Q1/424 |
| Official title | {comprising a layer of expanded material} |
| Display label | comprising a layer of expanded material |
| Total patents | 40 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 3 |
| 2018 | 3 |
| 2020 | 3 |
| 2021 | 3 |
| 2022 | 3 |
| 2023 | 10 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polycarbonate composite article
US-12486375-B2 · Dec 2, 2025 · US
Housing for an antenna and antenna device
US-2025253517-A1 · Aug 7, 2025 · US
Multi-layered article
US-12365171-B2 · Jul 22, 2025 · US
Low-cost radome materials and fabrication processes
US-2025174883-A1 · May 29, 2025 · US
Enclosure for an antenna arrangement, and a method of manufacturing an enclosure for an antenna arrangement
US-12218418-B2 · Feb 4, 2025 · US
A multilayer composite sheet for antenna housing
US-2024262073-A1 · Aug 8, 2024 · US
Low dielectric, low loss radomes, materials and methods for making low dielectric, low loss radomes
US-2024250416-A1 · Jul 25, 2024 · US
Cover
US-2024243464-A1 · Jul 18, 2024 · US
Apparatus and system of surface wave mitigation for multiple-input-multiple-output (MIMO) radar antenna
US-12013481-B2 · Jun 18, 2024 · US
Gradient permittivity film
US-11909107-B2 · Feb 20, 2024 · US
Gradient structure for transmitting and/or reflecting an electromagnetic signal
US-11870147-B2 · Jan 9, 2024 · US
Low Dielectric, Low Loss Radomes And Materials For Low Dielectric, Low Loss Radomes
US-2023327332-A1 · Oct 12, 2023 · US
Single substrate ultra-wideband antenna and antenna array
US-11757204-B2 · Sep 12, 2023 · US
Gradient structure for transmitting and/or reflecting an electromagnetic signal
US-2023275355-A1 · Aug 31, 2023 · US
Gradient permittivity film
US-2023253701-A1 · Aug 10, 2023 · US
Apparatus and system of surface wave mitigation for multiple-input-multiple-output (mimo) radar antenna
US-2023176178-A1 · Jun 8, 2023 · US
Polycarbonate composite article
US-2023167261-A1 · Jun 1, 2023 · US
Spacer, method of producing same, and composite
US-2023151175-A1 · May 18, 2023 · US
Resin sheet, laminate, and radar system
US-2023140996-A1 · May 11, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01Q1/424?
- CPC H01Q1/424 is the Cooperative Patent Classification code for “comprising a layer of expanded material.”
- How many patents are filed under CPC H01Q1/424 (comprising a layer of expanded material)?
- Our database includes 40 publications tagged with this CPC code.
- Is patent activity under CPC H01Q1/424 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).