Radar sensor and waveguide separation
US-2025231275-A1 · Jul 17, 2025 · US
with combining or separating polarisations
with combining or separating polarisations · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P1/2131 |
| Official title | {with combining or separating polarisations} |
| Display label | with combining or separating polarisations |
| Total patents | 37 |
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 | 2 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 4 |
| 2020 | 4 |
| 2021 | 5 |
| 2022 | 8 |
| 2023 | 2 |
| 2024 | 3 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Integrated microwave radio frequency feed network
US-12230876-B1 · Feb 18, 2025 · US
Apparatus comprising an inner waveguide and a coaxial waveguide configured to be fed with first and second frequency signals through a tunable coaxial turnstile junction
US-12132245-B2 · Oct 29, 2024 · US
Enhanced directivity feed and feed array
US-11996618-B2 · May 28, 2024 · US
Dual-band multimode antenna feed
US-11936117-B2 · Mar 19, 2024 · US
Waveguide device method for separating and/or combining orthogonally polarized signals of radiofrequency waves
US-11811120-B2 · Nov 7, 2023 · US
Dual-band waveguide feed network
US-11728553-B1 · Aug 15, 2023 · US
Dual-band multimode antenna feed
US-2022352650-A1 · Nov 3, 2022 · US
Enhanced directivity feed and feed array
US-2022239012-A1 · Jul 28, 2022 · US
Radiofrequency exciter of a receiving and transmitting antenna
US-11387563-B2 · Jul 12, 2022 · US
Multiport waveguide device
US-11381890-B1 · Jul 5, 2022 · US
Multiport waveguide device
US-2022210527-A1 · Jun 30, 2022 · US
Enhanced directivity feed and feed array
US-11329391-B2 · May 10, 2022 · US
Waveguide device and method for separating and/or combining orthogonally polarized signals of radiofrequency waves
US-2022131246-A1 · Apr 28, 2022 · US
Waveguide device and method for separating and/or combining orthogonally polarized signals of radiofrequency waves
US-11258148-B2 · Feb 22, 2022 · US
Radiofrequency exciter of a receiving and transmitting antenna
US-2021257740-A1 · Aug 19, 2021 · US
Multiband antenna feed
US-2021242587-A1 · Aug 5, 2021 · US
Mode-whisperer linear waveguide OMT
US-11081766-B1 · Aug 3, 2021 · US
Multi-band orthomode transducer device
US-11024975-B2 · Jun 1, 2021 · US
Electromagnetic wave launcher including an electromagnetic waveguide, wherein a millimeter wave signal and a lower frequency signal are respectively launched at different portions of the waveguide
US-10964992-B2 · Mar 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01P1/2131?
- CPC H01P1/2131 is the Cooperative Patent Classification code for “with combining or separating polarisations.”
- How many patents are filed under CPC H01P1/2131 (with combining or separating polarisations)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC H01P1/2131 growing?
- Publication counts under this code: 3 in 2024 vs 2 in 2025 (latest complete years).