PatentsDB

China Petroleum & Chem Corp patents

China Petroleum & Chem Corp holds 1,087 patents in our database, with recent filings and technology areas summarized below.

Company patent statistics
MetricValue
Total patents1,087
Recent patents471
First publicationAug 11, 2016
Latest publicationApr 2, 2026

Filing trend

Year-over-year patent counts for this assignee.

Filing activity over the last five years is growing.

Patents filed per year
YearPatents
201630
201779
201864
201969
202085
2021108
2022130
2023157
2024161
2025162
202642
Browse patents by year
YearPatents
201630
201779
201864
201969
202085
2021108
2022130
2023157
2024161
2025162
202642

Recent patents

Latest publications where this party is an assignee.

Notable patents

Representative or frequently cited publications from precomputed assignee stats.

Top CPC classifications

Most common classification codes in this portfolio.

Top CPC codes by patent count
CPCPatents
Y02P20/52127
B01J35/61595
B01J35/63388
B01J2235/1586
B01J21/0486

Technology areas

Mapped technology topics for this assignee.

Company technology slices
TechnologyPatents
Chemistry & Metallurgy841
Operations & Transport551
Cross-Sectional Technologies281
Fixed Constructions160
Physics115
Electricity53
Mechanical Engineering43
Human Necessities18
Textiles & Paper14

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Frequently asked questions

Answers are generated from the same data shown on this page.

How many patents does China Petroleum & Chem Corp have in patentsdb?
China Petroleum & Chem Corp is linked to 1,087 publications as assignee in our database.
What technology areas does China Petroleum & Chem Corp patent most?
Top mapped technology areas by patent count: Chemistry & Metallurgy (841); Operations & Transport (551); Cross-Sectional Technologies (281).
Is China Petroleum & Chem Corp's patent activity growing?
In our data, assignee counts were 161 in 2024 and 162 in 2025 (higher year over year).
What are recent patents assigned to China Petroleum & Chem Corp?
See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.