for ampoules; for lamp bulbs; for electronic valves or tubes

for ampoules; for lamp bulbs; for electronic valves or tubes · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB65D85/42
Official titlefor ampoules; for lamp bulbs; for electronic valves or tubes
Display labelfor ampoules; for lamp bulbs; for electronic valves or tubes
Total patents67

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
20157
20164
20174
201811
20195
202011
20213
20226
20234
20244
20256
20262

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 B65D85/42?
CPC B65D85/42 is the Cooperative Patent Classification code for “for ampoules; for lamp bulbs; for electronic valves or tubes.”
How many patents are filed under CPC B65D85/42 (for ampoules; for lamp bulbs; for electronic valves or tubes)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC B65D85/42 growing?
Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).