using two or more feeds in association with a common reflecting, diffracting or refracting device

using two or more feeds in association with a common reflecting, diffracting or refracting device · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01Q5/45
Official titleusing two or more feeds in association with a common reflecting, diffracting or refracting device
Display labelusing two or more feeds in association with a common reflecting, diffracting or refracting device
Total patents131

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20151
20162
20175
20189
201916
202019
202115
202213
202314
202415
202516
20266

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC H01Q5/45?
CPC H01Q5/45 is the Cooperative Patent Classification code for “using two or more feeds in association with a common reflecting, diffracting or refracting device.”
How many patents are filed under CPC H01Q5/45 (using two or more feeds in association with a common reflecting, diffracting or refracting device)?
Our database includes 131 publications tagged with this CPC code.
Is patent activity under CPC H01Q5/45 growing?
Publication counts under this code: 15 in 2024 vs 16 in 2025 (latest complete years).