comprising a screw or screws enclosed in a tubular housing

comprising a screw or screws enclosed in a tubular housing · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB65G33/14
Official titlecomprising a screw or screws enclosed in a tubular housing
Display labelcomprising a screw or screws enclosed in a tubular housing
Total patents144

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
201512
20166
201714
201814
201914
202019
202121
20229
202310
202413
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 B65G33/14?
CPC B65G33/14 is the Cooperative Patent Classification code for “comprising a screw or screws enclosed in a tubular housing.”
How many patents are filed under CPC B65G33/14 (comprising a screw or screws enclosed in a tubular housing)?
Our database includes 144 publications tagged with this CPC code.
Is patent activity under CPC B65G33/14 growing?
Publication counts under this code: 13 in 2024 vs 10 in 2025 (latest complete years).