Refractories from grain sized mixtures

Refractories from grain sized mixtures · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC04B35/043
Official titleRefractories from grain sized mixtures
Display labelRefractories from grain sized mixtures
Total patents48

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
20154
20164
20176
20187
20195
20202
20217
20223
20233
20241
20254
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 C04B35/043?
CPC C04B35/043 is the Cooperative Patent Classification code for “Refractories from grain sized mixtures.”
How many patents are filed under CPC C04B35/043 (Refractories from grain sized mixtures)?
Our database includes 48 publications tagged with this CPC code.
Is patent activity under CPC C04B35/043 growing?
Publication counts under this code: 1 in 2024 vs 4 in 2025 (latest complete years).