Phosphoric acid fuel cells [PAFC]

Phosphoric acid fuel cells [PAFC] · 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 codeH01M8/086
Official titlePhosphoric acid fuel cells [PAFC]
Display labelPhosphoric acid fuel cells [PAFC]
Total patents102

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
201510
201611
201720
201816
201911
20207
20219
20225
20233
20245
20255

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 H01M8/086?
CPC H01M8/086 is the Cooperative Patent Classification code for “Phosphoric acid fuel cells [PAFC].”
How many patents are filed under CPC H01M8/086 (Phosphoric acid fuel cells [PAFC])?
Our database includes 102 publications tagged with this CPC code.
Is patent activity under CPC H01M8/086 growing?
Publication counts under this code: 5 in 2024 vs 5 in 2025 (latest complete years).