Gas infiltration of green bodies or pre-forms

Gas infiltration of green bodies or pre-forms · 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 codeC04B2235/614
Official titleGas infiltration of green bodies or pre-forms
Display labelGas infiltration of green bodies or pre-forms
Total patents787

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201533
201651
201764
201854
201969
202074
202162
202268
202391
2024107
202589
202625

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 C04B2235/614?
CPC C04B2235/614 is the Cooperative Patent Classification code for “Gas infiltration of green bodies or pre-forms.”
How many patents are filed under CPC C04B2235/614 (Gas infiltration of green bodies or pre-forms)?
Our database includes 787 publications tagged with this CPC code.
Is patent activity under CPC C04B2235/614 growing?
Publication counts under this code: 107 in 2024 vs 89 in 2025 (latest complete years).