What is CPC B64B1/58?

CPC B64B1/58 is the Cooperative Patent Classification code for “Arrangements or construction of gas-bags; Filling arrangements.”

How many patents are filed under CPC B64B1/58 (Arrangements or construction of gas-bags; Filling arrangements)?

Our database includes 164 publications tagged with this CPC code.

Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).

Arrangements or construction of gas-bags; Filling arrangements · Cooperative Patent Classification (CPC)

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

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	B64B1/58
Official title	Arrangements or construction of gas-bags; Filling arrangements
Display label	Arrangements or construction of gas-bags; Filling arrangements
Total patents	164

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

Filing activity over the last five years is rapidly declining.

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

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

What is CPC B64B1/58?: CPC B64B1/58 is the Cooperative Patent Classification code for “Arrangements or construction of gas-bags; Filling arrangements.”
How many patents are filed under CPC B64B1/58 (Arrangements or construction of gas-bags; Filling arrangements)?: Our database includes 164 publications tagged with this CPC code.
Is patent activity under CPC B64B1/58 growing?: Publication counts under this code: 3 in 2024 vs 1 in 2025 (latest complete years).