How many patents does Sinopec Shengli Petroleum Eng Co Ltd have in patentsdb?

Sinopec Shengli Petroleum Eng Co Ltd is linked to 13 publications as assignee in our database.

What technology areas does Sinopec Shengli Petroleum Eng Co Ltd patent most?

Top mapped technology areas by patent count: Fixed Constructions (9); Chemistry & Metallurgy (4); Cross-Sectional Technologies (4).

In our data, assignee counts were 1 in 2024 and 5 in 2025 (higher year over year).

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

Sinopec Shengli Petroleum Eng Co Ltd holds 13 patents in our database, with recent filings and technology areas summarized below.

Year-over-year patent counts for this assignee.

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

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
Fixed Constructions	9
Chemistry & Metallurgy	4
Cross-Sectional Technologies	4
Physics	1

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

How many patents does Sinopec Shengli Petroleum Eng Co Ltd have in patentsdb?: Sinopec Shengli Petroleum Eng Co Ltd is linked to 13 publications as assignee in our database.
What technology areas does Sinopec Shengli Petroleum Eng Co Ltd patent most?: Top mapped technology areas by patent count: Fixed Constructions (9); Chemistry & Metallurgy (4); Cross-Sectional Technologies (4).
Is Sinopec Shengli Petroleum Eng Co Ltd's patent activity growing?: In our data, assignee counts were 1 in 2024 and 5 in 2025 (higher year over year).
What are recent patents assigned to Sinopec Shengli Petroleum Eng Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.