Dielectric waveguide port coupling structure including a metalized dielectric block having a blind groove with a transmission line disposed therein
US-12548874-B2 · Feb 10, 2026 · US
using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence)
using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P1/2136 |
| Official title | {using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence)} |
| Display label | using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence) |
| Total patents | 59 |
Filing trend
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 | 7 |
| 2017 | 3 |
| 2018 | 10 |
| 2019 | 3 |
| 2020 | 12 |
| 2021 | 4 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 7 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
AU and RU having CWG filters, and BS having the AU or RU
US-12255375-B2 · Mar 18, 2025 · US
Communication apparatus
US-2024396197-A1 · Nov 28, 2024 · US
Combiner
US-12119530-B2 · Oct 15, 2024 · US
Band pass filter and high frequency front-end circuit including same
US-12107312-B2 · Oct 1, 2024 · US
Hybrid type filter solution
US-2024178538-A1 · May 30, 2024 · US
Dielectric duplexer
US-11978940-B2 · May 7, 2024 · US
Dielectric filter, duplexer, and communications device
US-11909086-B2 · Feb 20, 2024 · US
Switchable filter
US-2024047842-A1 · Feb 8, 2024 · US
AU and RU having CWG Filters, and BS having the AU or RU
US-2023147406-A1 · May 11, 2023 · US
Band pass filter and high frequency front-end circuit including same
US-2023055439-A1 · Feb 23, 2023 · US
Multi-band RF monoblock filter configured to have an antenna input/output located for separating first and second filters from a third filter
US-11404757-B2 · Aug 2, 2022 · US
Combiner
US-2022238976-A1 · Jul 28, 2022 · US
Dielectric filter, duplexer, and communications device
US-2021328315-A1 · Oct 21, 2021 · US
Dielectric Duplexer
US-2021320390-A1 · Oct 14, 2021 · US
RF dielectric waveguide duplexer filter module
US-11081769-B2 · Aug 3, 2021 · US
Input/output apparatus of multiplexer, and multiplexer
US-10917066-B2 · Feb 9, 2021 · US
Switching of frequency multiplexed microwave signals using cascading multi-path interferometric Josephson switches with nonoverlapping bandwidths
US-10833383-B2 · Nov 10, 2020 · US
Multi-Band RF Monoblock Filter
US-2020313266-A1 · Oct 1, 2020 · US
Filter comprising resonator assemblies including a first cavity with a first resonant member and a second cavity with a second resonant member, where a part of the first cavity forms the second resonant member
US-10756403-B2 · Aug 25, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01P1/2136?
- CPC H01P1/2136 is the Cooperative Patent Classification code for “using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence).”
- How many patents are filed under CPC H01P1/2136 (using comb or interdigital filters; using cascaded coaxial cavities (H01P1/2131, H01P1/2135 take precedence))?
- Our database includes 59 publications tagged with this CPC code.
- Is patent activity under CPC H01P1/2136 growing?
- Publication counts under this code: 7 in 2024 vs 1 in 2025 (latest complete years).