Power feed circuit comprising a synthesizing-distributing unit and a phase shifting unit configured for feeding a two point or a four point circularly polarized antenna
US-12218394-B2 · Feb 4, 2025 · US
for producing a continuously rotating polarisation, e.g. circular polarisation
for producing a continuously rotating polarisation, e.g. circular polarisation · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01P1/17 |
| Official title | for producing a continuously rotating polarisation, e.g. circular polarisation |
| Display label | for producing a continuously rotating polarisation, e.g. circular polarisation |
| Total patents | 56 |
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 | 3 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 12 |
| 2020 | 14 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 3 |
| 2024 | 3 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polarizer for a waveguide and system for the transmission of high-frequency electromagnetic signals
US-12170393-B2 · Dec 17, 2024 · US
Contactless rotary joint for connecting waveguides
US-2024396191-A1 · Nov 28, 2024 · US
Apparatus and system for splitting and/or combining signals
US-2024304967-A1 · Sep 12, 2024 · US
Cross slot polarizer
US-11594796-B2 · Feb 28, 2023 · US
Multi-band, dual-polarization reflector antenna
US-11581655-B2 · Feb 14, 2023 · US
Power feed circuit for circularly polarized antenna
US-2023044376-A1 · Feb 9, 2023 · US
Multi-band, dual-polarization reflector antenna
US-2022173523-A1 · Jun 2, 2022 · US
Microstrip-to-waveguide transition including a substrate integrated waveguide with a 90 degree bend section
US-11303004-B2 · Apr 12, 2022 · US
Linear-to-circular polarizer antenna
US-11283142-B2 · Mar 22, 2022 · US
Multi-band, dual-polarization reflector antenna
US-11245196-B2 · Feb 8, 2022 · US
Linear-to-circular polarizer antenna
US-11211675-B2 · Dec 28, 2021 · US
Broadband polarizing screen with one or more radiofrequency polarizing cells
US-11171396-B2 · Nov 9, 2021 · US
Dual-polarization rippled reflector antenna
US-11165164-B2 · Nov 2, 2021 · US
Multi-band, dual-polarization reflector antenna
US-2021194146-A1 · Jun 24, 2021 · US
Polarizer for a waveguide and system for the transmission of high-frequency electromagnetic signals
US-2021181418-A1 · Jun 17, 2021 · US
Multi-band, dual-polarization reflector antenna
US-10903580-B2 · Jan 26, 2021 · US
Controllable phase control element for electromagnetic waves
US-10868349-B2 · Dec 15, 2020 · US
Microstrip-to-waveguide transition and radio assembly
US-2020388899-A1 · Dec 10, 2020 · US
Linear-to-circular polarizers using cascaded sheet impedances and cascaded waveplates
US-10840573-B2 · Nov 17, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01P1/17?
- CPC H01P1/17 is the Cooperative Patent Classification code for “for producing a continuously rotating polarisation, e.g. circular polarisation.”
- How many patents are filed under CPC H01P1/17 (for producing a continuously rotating polarisation, e.g. circular polarisation)?
- Our database includes 56 publications tagged with this CPC code.
- Is patent activity under CPC H01P1/17 growing?
- Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).