the spring material being generally enclosed

the spring material being generally enclosed · 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 codeF16F2236/045
Official titlethe spring material being generally enclosed
Display labelthe spring material being generally enclosed
Total patents57

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
20151
20162
20173
20187
201911
202010
20217
20227
20235
20242
20252

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 F16F2236/045?
CPC F16F2236/045 is the Cooperative Patent Classification code for “the spring material being generally enclosed.”
How many patents are filed under CPC F16F2236/045 (the spring material being generally enclosed)?
Our database includes 57 publications tagged with this CPC code.
Is patent activity under CPC F16F2236/045 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).