How many patents does Qingdao haier refrigerator co ltd have in patentsdb?

Qingdao haier refrigerator co ltd is linked to 317 publications as assignee in our database.

What technology areas does Qingdao haier refrigerator co ltd patent most?

Top mapped technology areas by patent count: Mechanical Engineering (302); Human Necessities (57); Fixed Constructions (46).

In our data, assignee counts were 101 in 2024 and 68 in 2025 (lower year over year).

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

Qingdao haier refrigerator co ltd holds 317 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	302
Human Necessities	57
Fixed Constructions	46
Electricity	34
Operations & Transport	33
Physics	24
Cross-Sectional Technologies	15
Chemistry & Metallurgy	4
Textiles & Paper	2

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

How many patents does Qingdao haier refrigerator co ltd have in patentsdb?: Qingdao haier refrigerator co ltd is linked to 317 publications as assignee in our database.
What technology areas does Qingdao haier refrigerator co ltd patent most?: Top mapped technology areas by patent count: Mechanical Engineering (302); Human Necessities (57); Fixed Constructions (46).
Is Qingdao haier refrigerator co ltd's patent activity growing?: In our data, assignee counts were 101 in 2024 and 68 in 2025 (lower year over year).
What are recent patents assigned to Qingdao haier refrigerator co ltd?: See the “Recent patents” section above for the latest 5 publications we attribute to this assignee.