3M Innovative Properties Company

3M Innovation Properties Company

Brenda K Balderas

Dennis M Glass

Fiona E Menken

Kannan Seshadri

Jonathan M Lise

Glen O Gregerson

Mark A Sanocki

Danielle M Schreppel

Michael L Munson

Jordan A Fleischer

A pleated air filter media with a plurality of continuous-contact reinforcing filaments on at least one face of the pleated air filter. The filaments have locally-thinned bending zones each of which is registered with pleat tip or pleat valley of the pleated air filter media.

Pleated air filter with reinforcing filaments comprising locally-thinned bending zones

A framed air filter that includes air filter media and a frame with four frame portions. At least one frame portion includes an inner sidewall and an outer sidewall that meet at a sidewall junction. The sidewall junction extends along a score line that includes at least one cut-scored segment and one crush-scored segment.

Framed air filter with skip-scored sidewall junction

A fragrance dispenser and a corresponding method of dispensing fragrance, comprising at least one receptacle having a major open end, with a porous diffuser layer occlusively overlying the major open end of the receptacle, wherein at least a sectional area of the porous diffuser layer is removable to uncover a portion of the receptacle to control of the release rate of a fragrance source. The fragrance dispenser may comprise a plurality of receptacles and the porous diffuser layer comprises a plurality of sections that are individually removable to uncover each receptacle. The fragrance dispenser could comprise a removable cover sheet that is peelably detachable from the porous diffuser layer. Porous diffuser layer could be an organic polymeric nonwoven web and/or the receptacle is made of a thermoplastic organic polymeric resin. The fragrance dispenser may further comprise a secondary diffuser layer that has 50% more permeability that the porous diffuser layer.

Fragrance dispenser with user-selectable release rate

Growing community of inventors

Woodbury, MN, United States of America

Brenda K Balderas