Key blanks

Key blanks · 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 codeB23C2235/28
Official titleKey blanks
Display labelKey blanks
Total patents51

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
20153
20165
201710
20187
20198
202011
20212
20222
20232
20241

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 B23C2235/28?
CPC B23C2235/28 is the Cooperative Patent Classification code for “Key blanks.”
How many patents are filed under CPC B23C2235/28 (Key blanks)?
Our database includes 51 publications tagged with this CPC code.
Is patent activity under CPC B23C2235/28 growing?
Publication counts under this code: 2 in 2023 vs 1 in 2024 (latest complete years).