This page is not indexed by search engines while we improve data quality.

the piston being hand operated

the piston being hand operated · 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 codeF41B11/641
Official titlethe piston being hand operated
Display labelthe piston being hand operated
Total patents13

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
20153
20163
20171
20241
20255

Representative patents

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