Heated nozzles

Heated nozzles · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC23C16/4557
Official title{Heated nozzles}
Display labelHeated nozzles
Total patents412

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
201527
201615
201725
201822
201939
202047
202133
202249
202348
202449
202538
202620

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 C23C16/4557?
CPC C23C16/4557 is the Cooperative Patent Classification code for “Heated nozzles.”
How many patents are filed under CPC C23C16/4557 (Heated nozzles)?
Our database includes 412 publications tagged with this CPC code.
Is patent activity under CPC C23C16/4557 growing?
Publication counts under this code: 49 in 2024 vs 38 in 2025 (latest complete years).