How many patents does Cnpc Usa Corp have in patentsdb?

Cnpc Usa Corp is linked to 226 publications as assignee in our database.

What technology areas does Cnpc Usa Corp patent most?

Top mapped technology areas by patent count: Fixed Constructions (164); Chemistry & Metallurgy (132); Operations & Transport (22).

In our data, assignee counts were 37 in 2024 and 41 in 2025 (higher year over year).

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

Cnpc Usa Corp holds 226 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 growing.

Latest publications where this party is an assignee.

Representative or frequently cited publications from precomputed assignee stats.

Most common classification codes in this portfolio.

Mapped technology topics for this assignee.

Company technology slices
Technology	Patents
Fixed Constructions	164
Chemistry & Metallurgy	132
Operations & Transport	22
Cross-Sectional Technologies	10
Physics	10
Electricity	7
Mechanical Engineering	4

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

How many patents does Cnpc Usa Corp have in patentsdb?: Cnpc Usa Corp is linked to 226 publications as assignee in our database.
What technology areas does Cnpc Usa Corp patent most?: Top mapped technology areas by patent count: Fixed Constructions (164); Chemistry & Metallurgy (132); Operations & Transport (22).
Is Cnpc Usa Corp's patent activity growing?: In our data, assignee counts were 37 in 2024 and 41 in 2025 (higher year over year).
What are recent patents assigned to Cnpc Usa Corp?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.