How many patents does Univ China Petroleum have in patentsdb?

Univ China Petroleum is linked to 91 publications as assignee in our database.

What technology areas does Univ China Petroleum patent most?

Top mapped technology areas by patent count: Chemistry & Metallurgy (53); Fixed Constructions (40); Operations & Transport (29).

In our data, assignee counts were 8 in 2024 and 3 in 2025 (lower year over year).

See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.

Univ China Petroleum holds 91 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

Filing activity over the last five years is rapidly declining.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Chemistry & Metallurgy	53
Fixed Constructions	40
Operations & Transport	29
Physics	19
Cross-Sectional Technologies	13
Electricity	5
Mechanical Engineering	2
Textiles & Paper	1

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

How many patents does Univ China Petroleum have in patentsdb?: Univ China Petroleum is linked to 91 publications as assignee in our database.
What technology areas does Univ China Petroleum patent most?: Top mapped technology areas by patent count: Chemistry & Metallurgy (53); Fixed Constructions (40); Operations & Transport (29).
Is Univ China Petroleum's patent activity growing?: In our data, assignee counts were 8 in 2024 and 3 in 2025 (lower year over year).
What are recent patents assigned to Univ China Petroleum?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.