What is CPC H04R9/043?

CPC H04R9/043 is the Cooperative Patent Classification code for “Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16).”

How many patents are filed under CPC H04R9/043 (Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16))?

Our database includes 455 publications tagged with this CPC code.

Publication counts under this code: 73 in 2024 vs 58 in 2025 (latest complete years).

Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16) · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	H04R9/043
Official title	{Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16)}
Display label	Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16)
Total patents	455

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

Filing activity over the last five years is growing.

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Answers are generated from the same data shown on this page.

What is CPC H04R9/043?: CPC H04R9/043 is the Cooperative Patent Classification code for “Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16).”
How many patents are filed under CPC H04R9/043 (Inner suspension or damper, e.g. spider (outer suspension or surround H04R7/16))?: Our database includes 455 publications tagged with this CPC code.
Is patent activity under CPC H04R9/043 growing?: Publication counts under this code: 73 in 2024 vs 58 in 2025 (latest complete years).