making use of flames, plasmas or lasers

making use of flames, plasmas or lasers · 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 codeB01J37/349
Official title{making use of flames, plasmas or lasers}
Display labelmaking use of flames, plasmas or lasers
Total patents229

Filing trend

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

Filing activity over the last five years is declining.

Patents filed per year
YearPatents
201526
201625
201732
201829
201919
202022
202116
202219
202316
202411
202511
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 B01J37/349?
CPC B01J37/349 is the Cooperative Patent Classification code for “making use of flames, plasmas or lasers.”
How many patents are filed under CPC B01J37/349 (making use of flames, plasmas or lasers)?
Our database includes 229 publications tagged with this CPC code.
Is patent activity under CPC B01J37/349 growing?
Publication counts under this code: 11 in 2024 vs 11 in 2025 (latest complete years).