using elemental hydrogen

using elemental hydrogen · 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 codeB01J38/10
Official titleusing elemental hydrogen
Display labelusing elemental hydrogen
Total patents170

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
201515
201622
201718
201821
201917
202022
202112
20229
202312
202413
20257
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 B01J38/10?
CPC B01J38/10 is the Cooperative Patent Classification code for “using elemental hydrogen.”
How many patents are filed under CPC B01J38/10 (using elemental hydrogen)?
Our database includes 170 publications tagged with this CPC code.
Is patent activity under CPC B01J38/10 growing?
Publication counts under this code: 13 in 2024 vs 7 in 2025 (latest complete years).