hydrocarbons

hydrocarbons · 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 codeH01B3/22
Official titlehydrocarbons
Display labelhydrocarbons
Total patents124

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
20155
201613
201710
201811
20196
202015
202111
202216
202313
202413
20257
20264

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 H01B3/22?
CPC H01B3/22 is the Cooperative Patent Classification code for “hydrocarbons.”
How many patents are filed under CPC H01B3/22 (hydrocarbons)?
Our database includes 124 publications tagged with this CPC code.
Is patent activity under CPC H01B3/22 growing?
Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).