Connecting hose to aircraft; Disconnecting hose therefrom

Connecting hose to aircraft; Disconnecting hose therefrom · 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 codeB64D39/06
Official titleConnecting hose to aircraft; Disconnecting hose therefrom
Display labelConnecting hose to aircraft; Disconnecting hose therefrom
Total patents146

Filing trend

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

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20157
20169
201736
201811
201923
202014
202118
202211
20236
20244
20255
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 B64D39/06?
CPC B64D39/06 is the Cooperative Patent Classification code for “Connecting hose to aircraft; Disconnecting hose therefrom.”
How many patents are filed under CPC B64D39/06 (Connecting hose to aircraft; Disconnecting hose therefrom)?
Our database includes 146 publications tagged with this CPC code.
Is patent activity under CPC B64D39/06 growing?
Publication counts under this code: 4 in 2024 vs 5 in 2025 (latest complete years).