Joints; Sealings

Joints; Sealings · 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 codeF02M55/004
Official title{Joints; Sealings}
Display labelJoints; Sealings
Total patents181

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
201518
201625
201725
201814
201914
202022
202120
202216
202312
20246
20255
20264

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 F02M55/004?
CPC F02M55/004 is the Cooperative Patent Classification code for “Joints; Sealings.”
How many patents are filed under CPC F02M55/004 (Joints; Sealings)?
Our database includes 181 publications tagged with this CPC code.
Is patent activity under CPC F02M55/004 growing?
Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).