Patent assignee · SE · COMPANY

Blueair AB

40Patents
32Active
40Granted
50Portfolio score

Filing activity: May 23, 2001 → Jul 28, 2023 · 2 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD836760S1 Air cleaner General 55 Active
USD798430S1 Air filter General 54 Active
USD837355S1 Deduster General 43 Active
USD690803S1 Air cleaner General 30 Active
USD821568S1 Face mask General 27 Active
US6790259B2 Method and device for cleaning a gaseous fluid using a conductive grid between charging head and filter Performing Operations; Transporting 26 Expired
USD580539S1 Air purifier General 24 Expired
USD797914S1 Air cleaner in various heights General 19 Active
US9694369B2 Air purifier device with ionizing means Emerging Cross-Sectional Technologies 17 Active
USD610859S1 Water purifier General 13 Expired
US9919252B2 Air purifier device with coupling mechanism Mechanical Engineering; Lighting; Heating 13 Active
USD549314S1 Air filter cartridge General 11 Expired
USD889620S1 Air treatment device General 11 Active
US6540804B1 Air cleaner Emerging Cross-Sectional Technologies 10 Expired
US7323104B2 Water filtering device Chemistry; Metallurgy 9 Expired
USD591412S1 Air purifier General 9 Expired
USD774173S1 Air filter housing General 8 Active
USD833598S1 Face mask clip General 8 Active
USD952822S1 Air purifier General 7 Active
USD793543S1 Device for monitoring air quality General 7 Active
US9381457B2 Air treatment device with a detachable sensor module Mechanical Engineering; Lighting; Heating 6 Active
USD936808S1 Purifier General 5 Active
USD1052062S1 Air purifier General 5 Active
US11578885B2 Air treatment device for a ventilation air inlet Emerging Cross-Sectional Technologies 5 Active
US9636617B2 Air purifier device with fan duct Mechanical Engineering; Lighting; Heating 4 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.