comprising shape memory alloys or bimetallic elements

comprising shape memory alloys or bimetallic elements · 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 codeF28F2255/04
Official titlecomprising shape memory alloys or bimetallic elements
Display labelcomprising shape memory alloys or bimetallic elements
Total patents97

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
20166
20177
201812
201917
202018
202115
20228
20238
20241
20251
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 F28F2255/04?
CPC F28F2255/04 is the Cooperative Patent Classification code for “comprising shape memory alloys or bimetallic elements.”
How many patents are filed under CPC F28F2255/04 (comprising shape memory alloys or bimetallic elements)?
Our database includes 97 publications tagged with this CPC code.
Is patent activity under CPC F28F2255/04 growing?
Publication counts under this code: 1 in 2024 vs 1 in 2025 (latest complete years).