How many patents does Qingdao Ecopure Filter Co Ltd have in patentsdb?

Qingdao Ecopure Filter Co Ltd is linked to 90 publications as assignee in our database.

What technology areas does Qingdao Ecopure Filter Co Ltd patent most?

Top mapped technology areas by patent count: Operations & Transport (24); Chemistry & Metallurgy (19); Human Necessities (6).

In our data, assignee counts were 14 in 2024 and 9 in 2025 (lower year over year).

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

Qingdao Ecopure Filter Co Ltd holds 90 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.

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

How many patents does Qingdao Ecopure Filter Co Ltd have in patentsdb?: Qingdao Ecopure Filter Co Ltd is linked to 90 publications as assignee in our database.
What technology areas does Qingdao Ecopure Filter Co Ltd patent most?: Top mapped technology areas by patent count: Operations & Transport (24); Chemistry & Metallurgy (19); Human Necessities (6).
Is Qingdao Ecopure Filter Co Ltd's patent activity growing?: In our data, assignee counts were 14 in 2024 and 9 in 2025 (lower year over year).
What are recent patents assigned to Qingdao Ecopure Filter Co Ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.