Selection of substances (F16C33/48, F16C33/49 take precedence)

Selection of substances (F16C33/48, F16C33/49 take precedence) · 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 codeF16C33/56
Official titleSelection of substances (F16C33/48, F16C33/49 take precedence)
Display labelSelection of substances (F16C33/48, F16C33/49 take precedence)
Total patents129

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
201515
201616
201717
201813
201917
202010
202114
20223
20235
20247
202510
20262

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 F16C33/56?
CPC F16C33/56 is the Cooperative Patent Classification code for “Selection of substances (F16C33/48, F16C33/49 take precedence).”
How many patents are filed under CPC F16C33/56 (Selection of substances (F16C33/48, F16C33/49 take precedence))?
Our database includes 129 publications tagged with this CPC code.
Is patent activity under CPC F16C33/56 growing?
Publication counts under this code: 7 in 2024 vs 10 in 2025 (latest complete years).