What is CPC F16H57/03?

CPC F16H57/03 is the Cooperative Patent Classification code for “characterised by means for reinforcing gearboxes, e.g. ribs.”

How many patents are filed under CPC F16H57/03 (characterised by means for reinforcing gearboxes, e.g. ribs)?

Our database includes 184 publications tagged with this CPC code.

Publication counts under this code: 9 in 2024 vs 18 in 2025 (latest complete years).

characterised by means for reinforcing gearboxes, e.g. ribs · Cooperative Patent Classification (CPC)

Engines, pumps, lighting, heating, and mechanical systems.

Mapped technology topics for this CPC code.

CPC classification statistics
Metric	Value
CPC code	F16H57/03
Official title	characterised by means for reinforcing gearboxes, e.g. ribs
Display label	characterised by means for reinforcing gearboxes, e.g. ribs
Total patents	184

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

Filing activity over the last five years is declining.

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 F16H57/03?: CPC F16H57/03 is the Cooperative Patent Classification code for “characterised by means for reinforcing gearboxes, e.g. ribs.”
How many patents are filed under CPC F16H57/03 (characterised by means for reinforcing gearboxes, e.g. ribs)?: Our database includes 184 publications tagged with this CPC code.
Is patent activity under CPC F16H57/03 growing?: Publication counts under this code: 9 in 2024 vs 18 in 2025 (latest complete years).