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by means of by-pass passages

by means of by-pass passages · Cooperative Patent Classification (CPC)

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

Related technology areas

Mapped technology topics for this CPC code.

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

Filing activity appears stable based on the most recent years.

Patents filed per year
Year	Patents
2018	1
2021	1

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