Storing fluids in natural or artificial cavities or chambers in the earth

Storing fluids in natural or artificial cavities or chambers in the earth · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB65G5/00
Official titleStoring fluids in natural or artificial cavities or chambers in the earth
Display labelStoring fluids in natural or artificial cavities or chambers in the earth
Total patents138

Filing trend

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

Filing activity over the last five years is rapidly growing.

Patents filed per year
YearPatents
201517
201625
201712
20189
20199
20204
20216
20226
202310
202412
202526
20262

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 B65G5/00?
CPC B65G5/00 is the Cooperative Patent Classification code for “Storing fluids in natural or artificial cavities or chambers in the earth.”
How many patents are filed under CPC B65G5/00 (Storing fluids in natural or artificial cavities or chambers in the earth)?
Our database includes 138 publications tagged with this CPC code.
Is patent activity under CPC B65G5/00 growing?
Publication counts under this code: 12 in 2024 vs 26 in 2025 (latest complete years).