Inflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00)

Inflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00) · 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 codeB66F3/35
Official titleInflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00)
Display labelInflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00)
Total patents27

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
20151
20161
20174
20182
20191
20202
20223
20235
20245
20252
20261

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 B66F3/35?
CPC B66F3/35 is the Cooperative Patent Classification code for “Inflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00).”
How many patents are filed under CPC B66F3/35 (Inflatable flexible elements, e.g. bellows (inflatable load-engaging elements B66F3/40; connection of valves to inflatable elastic bodies B60C29/00))?
Our database includes 27 publications tagged with this CPC code.
Is patent activity under CPC B66F3/35 growing?
Publication counts under this code: 5 in 2024 vs 2 in 2025 (latest complete years).