Bulk density

Bulk density · 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 codeB01J35/32
Official titleBulk density
Display labelBulk density
Total patents225

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
20159
201621
201720
201827
201932
202026
202120
202217
202315
202420
202516
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 B01J35/32?
CPC B01J35/32 is the Cooperative Patent Classification code for “Bulk density.”
How many patents are filed under CPC B01J35/32 (Bulk density)?
Our database includes 225 publications tagged with this CPC code.
Is patent activity under CPC B01J35/32 growing?
Publication counts under this code: 20 in 2024 vs 16 in 2025 (latest complete years).