Slack adjusters

Slack adjusters · 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 codeF16D65/38
Official titleSlack adjusters
Display labelSlack adjusters
Total patents74

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
20156
20164
20176
20186
201910
20205
20217
20228
20232
202412
20257
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 F16D65/38?
CPC F16D65/38 is the Cooperative Patent Classification code for “Slack adjusters.”
How many patents are filed under CPC F16D65/38 (Slack adjusters)?
Our database includes 74 publications tagged with this CPC code.
Is patent activity under CPC F16D65/38 growing?
Publication counts under this code: 12 in 2024 vs 7 in 2025 (latest complete years).