Patent assignee · US · COMPANY

CAMFIL USA, INC.

25Patents
25Active
25Granted
50Portfolio score

Filing activity: Mar 21, 2006 → Jul 25, 2019 · 1 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
USD770026S1 Filter General 21 Active
US8784528B2 Holding frame Emerging Cross-Sectional Technologies 14 Active
US9174155B2 Air filter with balanced seal Emerging Cross-Sectional Technologies 9 Active
US9360411B2 Alternate inlet field testing apparatus Physics 7 Active
US9114341B2 Holding frame assembly and flexible retainers for same Performing Operations; Transporting 5 Active
US8956433B2 High flow V-bank filter Performing Operations; Transporting 4 Active
US9039801B2 Filter holding frame with filter gasket Performing Operations; Transporting 4 Active
US10006848B2 Containment housing with integrated test aerosol injection and sampling Physics 4 Active
US9623356B2 V-bank filter assembly with replaceable filters Emerging Cross-Sectional Technologies 4 Active
US9043989B2 Method and apparatus for providing clean air to animal enclosures Human Necessities 3 Active
US9976770B2 Exhaust filter module, and a method and apparatus for efficiency testing the same Physics 3 Active
US10646807B2 Holding frame assembly and flexible retainers for same Performing Operations; Transporting 2 Active
US9084955B2 Filter holding frame with adjustable clamping mechanism and slot for pre-filter Emerging Cross-Sectional Technologies 2 Active
US9468880B2 Roomside replaceable fan filter unit Physics 2 Active
US9084956B2 Dust collector with monitor air filter Performing Operations; Transporting 2 Active
US8999035B2 Integrated containment system Emerging Cross-Sectional Technologies 2 Active
US10195557B2 Holding frame assembly and flexible retainers for same Performing Operations; Transporting 2 Active
US10639575B2 Air filter with balanced seal Emerging Cross-Sectional Technologies 2 Active
US9186610B2 Roomside replaceable fan filter unit Physics 2 Active
US10220341B2 Filter frame assembly Performing Operations; Transporting 1 Active
US9937452B2 Air filter with balanced seal Emerging Cross-Sectional Technologies 1 Active
US9108136B2 Dust collector with spark arrester Performing Operations; Transporting 0 Active
USD866739S1 Filter General 0 Active
US9352261B2 Roomside replaceable fan filter unit Physics 0 Active
USD1076046S1 Air filter General 0 Active

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