with a radial cut in order to improve elasticity of the washer (F16B43/005 takes precedence)

with a radial cut in order to improve elasticity of the washer (F16B43/005 takes 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 codeF16B43/004
Official title{with a radial cut in order to improve elasticity of the washer (F16B43/005 takes precedence)}
Display labelwith a radial cut in order to improve elasticity of the washer (F16B43/005 takes precedence)
Total patents30

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
20152
20162
20172
20186
20192
20203
20212
20223
20232
20243
20253

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 F16B43/004?
CPC F16B43/004 is the Cooperative Patent Classification code for “with a radial cut in order to improve elasticity of the washer (F16B43/005 takes precedence).”
How many patents are filed under CPC F16B43/004 (with a radial cut in order to improve elasticity of the washer (F16B43/005 takes precedence))?
Our database includes 30 publications tagged with this CPC code.
Is patent activity under CPC F16B43/004 growing?
Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).