PatentsDB

Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel

Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel · Cooperative Patent Classification (CPC)

Electric circuits, power, telecommunications, and semiconductors.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeH01J65/00
Official titleLamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
Display labelLamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel
Total patents67

Filing trend

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

Filing activity over the last five years is stable.

Patents filed per year
YearPatents
20152
20168
20174
20183
20192
20201
20216
202211
202310
202410
20257
20263

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 H01J65/00?
CPC H01J65/00 is the Cooperative Patent Classification code for “Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel.”
How many patents are filed under CPC H01J65/00 (Lamps without any electrode inside the vessel; Lamps with at least one main electrode outside the vessel)?
Our database includes 67 publications tagged with this CPC code.
Is patent activity under CPC H01J65/00 growing?
Publication counts under this code: 10 in 2024 vs 7 in 2025 (latest complete years).