How many patents does Zhejiang Dunan Artificial Env Co Ltd have in patentsdb?

Zhejiang Dunan Artificial Env Co Ltd is linked to 182 publications as assignee in our database.

What technology areas does Zhejiang Dunan Artificial Env Co Ltd patent most?

Top mapped technology areas by patent count: Mechanical Engineering (177); Cross-Sectional Technologies (47); Operations & Transport (17).

In our data, assignee counts were 75 in 2024 and 44 in 2025 (lower year over year).

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

Zhejiang Dunan Artificial Env Co Ltd holds 182 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
Mechanical Engineering	177
Cross-Sectional Technologies	47
Operations & Transport	17
Electricity	17
Physics	2

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

How many patents does Zhejiang Dunan Artificial Env Co Ltd have in patentsdb?: Zhejiang Dunan Artificial Env Co Ltd is linked to 182 publications as assignee in our database.
What technology areas does Zhejiang Dunan Artificial Env Co Ltd patent most?: Top mapped technology areas by patent count: Mechanical Engineering (177); Cross-Sectional Technologies (47); Operations & Transport (17).
Is Zhejiang Dunan Artificial Env Co Ltd's patent activity growing?: In our data, assignee counts were 75 in 2024 and 44 in 2025 (lower year over year).
What are recent patents assigned to Zhejiang Dunan Artificial Env Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.