PatentsDB

Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls

Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls · 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 codeC03B5/42
Official titleDetails of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
Display labelDetails of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
Total patents64

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
20155
20162
20171
20184
20195
202010
202112
20224
20236
20248
20255
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 C03B5/42?
CPC C03B5/42 is the Cooperative Patent Classification code for “Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls.”
How many patents are filed under CPC C03B5/42 (Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls)?
Our database includes 64 publications tagged with this CPC code.
Is patent activity under CPC C03B5/42 growing?
Publication counts under this code: 8 in 2024 vs 5 in 2025 (latest complete years).