Bridged systems

Bridged systems · 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 codeC07D513/18
Official titleBridged systems
Display labelBridged systems
Total patents125

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
201512
20169
20178
20187
201910
202011
202113
20226
202316
202416
202512
20265

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 C07D513/18?
CPC C07D513/18 is the Cooperative Patent Classification code for “Bridged systems.”
How many patents are filed under CPC C07D513/18 (Bridged systems)?
Our database includes 125 publications tagged with this CPC code.
Is patent activity under CPC C07D513/18 growing?
Publication counts under this code: 16 in 2024 vs 12 in 2025 (latest complete years).