Device with resonant cavity for transmitting or receiving electromagnetic waves
US-10505584-B1 · Dec 10, 2019 · US
having two or more spaced reflecting surfaces (H01Q19/20 takes precedence)
having two or more spaced reflecting surfaces (H01Q19/20 takes 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 | H01Q19/18 |
| Official title | having two or more spaced reflecting surfaces (H01Q19/20 takes precedence) |
| Display label | having two or more spaced reflecting surfaces (H01Q19/20 takes precedence) |
| Total patents | 186 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 13 |
| 2017 | 13 |
| 2018 | 11 |
| 2019 | 22 |
| 2020 | 29 |
| 2021 | 16 |
| 2022 | 24 |
| 2023 | 19 |
| 2024 | 10 |
| 2025 | 16 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reflection mirror antenna device
US-2019296445-A1 · Sep 26, 2019 · US
Antenna device
US-2019288405-A1 · Sep 19, 2019 · US
Apparatus and methods for transmitting or receiving electromagnetic waves
US-10405199-B1 · Sep 3, 2019 · US
Antenna apparatus
US-2019260136-A1 · Aug 22, 2019 · US
Collimated transverse electric mode cavity antenna assembly
US-2019245265-A1 · Aug 8, 2019 · US
High pointing accuracy spacecraft
US-10367575-B1 · Jul 30, 2019 · US
Collimated transverse electric mode cavity antenna assembly
US-10367255-B1 · Jul 30, 2019 · US
Dielectric resonator antenna having first and second dielectric portions
US-2019221939-A1 · Jul 18, 2019 · US
Dielectric resonator antenna having first and second dielectric portions
US-2019221940-A1 · Jul 18, 2019 · US
Reflectarray antenna system
US-10263342-B2 · Apr 16, 2019 · US
Wide Angle Planar Antenna Assembly
US-2019109384-A1 · Apr 11, 2019 · US
Wide angle planar antenna assembly
US-10181651-B2 · Jan 15, 2019 · US
Antenna device
US-2019006765-A1 · Jan 3, 2019 · US
Semiconductor plasma antenna apparatus
US-10147583-B2 · Dec 4, 2018 · US
Reflector for changing directionality of wireless communication beam and apparatus including the same
US-2018337459-A1 · Nov 22, 2018 · US
Connected dielectric resonator antenna array and method of making the same
US-2018323514-A1 · Nov 8, 2018 · US
Antenna device
US-10090604-B2 · Oct 2, 2018 · US
Reflector
US-10079435-B1 · Sep 18, 2018 · US
Deployable reflectarray antenna
US-2018254547-A1 · Sep 6, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01Q19/18?
- CPC H01Q19/18 is the Cooperative Patent Classification code for “having two or more spaced reflecting surfaces (H01Q19/20 takes precedence).”
- How many patents are filed under CPC H01Q19/18 (having two or more spaced reflecting surfaces (H01Q19/20 takes precedence))?
- Our database includes 186 publications tagged with this CPC code.
- Is patent activity under CPC H01Q19/18 growing?
- Publication counts under this code: 10 in 2024 vs 16 in 2025 (latest complete years).