which can be made ineffective when desired

which can be made ineffective when desired · 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 codeF16H21/06
Official titlewhich can be made ineffective when desired
Display labelwhich can be made ineffective when desired
Total patents33

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
20164
20173
20187
20193
20205
20212
20222
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 F16H21/06?
CPC F16H21/06 is the Cooperative Patent Classification code for “which can be made ineffective when desired.”
How many patents are filed under CPC F16H21/06 (which can be made ineffective when desired)?
Our database includes 33 publications tagged with this CPC code.
Is patent activity under CPC F16H21/06 growing?
Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).