How many patents does Beijing Huamei Inc Cnpc have in patentsdb?

Beijing Huamei Inc Cnpc is linked to 17 publications as assignee in our database.

What technology areas does Beijing Huamei Inc Cnpc patent most?

Top mapped technology areas by patent count: Fixed Constructions (14); Chemistry & Metallurgy (5); Cross-Sectional Technologies (2).

In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).

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

Beijing Huamei Inc Cnpc holds 17 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
Fixed Constructions	14
Chemistry & Metallurgy	5
Cross-Sectional Technologies	2

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

How many patents does Beijing Huamei Inc Cnpc have in patentsdb?: Beijing Huamei Inc Cnpc is linked to 17 publications as assignee in our database.
What technology areas does Beijing Huamei Inc Cnpc patent most?: Top mapped technology areas by patent count: Fixed Constructions (14); Chemistry & Metallurgy (5); Cross-Sectional Technologies (2).
Is Beijing Huamei Inc Cnpc's patent activity growing?: In our data, assignee counts were 2 in 2024 and 1 in 2025 (lower year over year).
What are recent patents assigned to Beijing Huamei Inc Cnpc?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.