How many patents does Cnpc Eng Tech Res & Dev Co Ltd have in patentsdb?

Cnpc Eng Tech Res & Dev Co Ltd is linked to 37 publications as assignee in our database.

What technology areas does Cnpc Eng Tech Res & Dev Co Ltd patent most?

Top mapped technology areas by patent count: Fixed Constructions (26); Chemistry & Metallurgy (23); Cross-Sectional Technologies (8).

In our data, assignee counts were 8 in 2024 and 5 in 2025 (lower year over year).

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

Cnpc Eng Tech Res & Dev Co Ltd holds 37 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 growing.

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	26
Chemistry & Metallurgy	23
Cross-Sectional Technologies	8
Physics	6
Operations & Transport	4

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

How many patents does Cnpc Eng Tech Res & Dev Co Ltd have in patentsdb?: Cnpc Eng Tech Res & Dev Co Ltd is linked to 37 publications as assignee in our database.
What technology areas does Cnpc Eng Tech Res & Dev Co Ltd patent most?: Top mapped technology areas by patent count: Fixed Constructions (26); Chemistry & Metallurgy (23); Cross-Sectional Technologies (8).
Is Cnpc Eng Tech Res & Dev Co Ltd's patent activity growing?: In our data, assignee counts were 8 in 2024 and 5 in 2025 (lower year over year).
What are recent patents assigned to Cnpc Eng Tech Res & Dev Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.