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China Nat Chemical Engineering No 13 Construction Co Ltd patents

China Nat Chemical Engineering No 13 Construction Co Ltd holds 4 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents4
Recent patents4
First publicationJul 18, 2024
Latest publicationNov 11, 2025

Filing trend

Year-over-year patent counts for this assignee.

Filing activity appears to be declining based on the most recent years.

Patents filed per year
YearPatents
20243
20251
Browse patents by year
YearPatents
20243
20251

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Fixed Constructions4