Fragrance dispenser with user-selectable release rate

    公开(公告)号:US11324849B2

    公开(公告)日:2022-05-10

    申请号:US16311528

    申请日:2017-06-27

    Abstract: 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.

    FRAMED AIR FILTER WITH REINFORCING PLATE
    4.
    发明公开

    公开(公告)号:US20240181377A1

    公开(公告)日:2024-06-06

    申请号:US18517188

    申请日:2023-11-22

    CPC classification number: B01D46/0016 B01D46/0005

    Abstract: A framed air filter that includes air filter media and a frame with four frame portions. At least one corner of the frame is a bonded, non-integral corner at which a reinforcing plate that integrally extends from an elongate downstream flange of a first frame portion of a pair of neighboring frame portions that meet to form the non-integral, bonded corner, is affixed to an inner sidewall of a second frame portion of the pair of neighboring frame portions.

    FRAGRANCE DISPENSER WITH USER-SELECTABLE RELEASE RATE

    公开(公告)号:US20200306404A1

    公开(公告)日:2020-10-01

    申请号:US16311528

    申请日:2017-06-27

    Abstract: 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.

Patent Agency Ranking