for interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D)

for interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D) · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeF16D21/02
Official titlefor interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D)
Display labelfor interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D)
Total patents106

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
201513
201612
201712
20186
201913
202013
202111
20228
20236
20247
20255

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 F16D21/02?
CPC F16D21/02 is the Cooperative Patent Classification code for “for interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D).”
How many patents are filed under CPC F16D21/02 (for interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles B62D))?
Our database includes 106 publications tagged with this CPC code.
Is patent activity under CPC F16D21/02 growing?
Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).