Surface cleaning apparatus
    21.
    发明授权

    公开(公告)号:US11950752B2

    公开(公告)日:2024-04-09

    申请号:US17342410

    申请日:2021-06-08

    CPC classification number: A47L9/1691 A47L9/322

    Abstract: A hand vacuum cleaner has a main body housing a suction motor, an air treatment member having a front end and a rear end with a central longitudinal axis extending between the front and rear ends and a bleed valve having a bleed air flow path that extends from a bleed air inlet to a bleed air outlet. The hand vacuum cleaner has right and left laterally opposed sides that are spaced apart in a direction transverse to the central longitudinal axis, and the bleed air inlet and the bleed air outlet are transversely spaced apart.

    SURFACE CLEANING APPARATUS
    24.
    发明公开

    公开(公告)号:US20240032754A1

    公开(公告)日:2024-02-01

    申请号:US18379119

    申请日:2023-10-11

    CPC classification number: A47L9/1691 A47L9/322

    Abstract: A hand vacuum cleaner has a cyclone unit, a front electrical connector and electrical conductors that extend from the front electrical connector to a source of power. The electrical conducts extend along a portion of a wall of the cyclone unit. When a cleaning tool is connected to the hand vacuum cleaner, the cleaning tool is connected in air flow communication with the dirty air inlet and the cleaning tool is electrically connected to the front electrical connector.

    SURFACE CLEANING APPARATUS
    25.
    发明公开

    公开(公告)号:US20240032752A1

    公开(公告)日:2024-02-01

    申请号:US18378602

    申请日:2023-10-10

    CPC classification number: A47L9/1691 A47L9/322

    Abstract: A hand vacuum cleaner has a cyclone, which has a front end and a rear end with a cyclone axis of rotation extending between the front and rear ends. A pistol grip handle has a pistol grip axis that extends through the pistol grip handle from a lower end of the pistol grip handle to an upper end of the pistol grip handle. The pistol grip axis intersects the suction motor. A post motor filter, which is positionable in the air flow path, comprises a plurality of removeable filters.

    Respiratory testing with multiple spectrometers

    公开(公告)号:US11879889B2

    公开(公告)日:2024-01-23

    申请号:US16866271

    申请日:2020-05-04

    CPC classification number: G01N33/497 G01N15/14 G01N2033/4975

    Abstract: A test method for testing for presence of a biological agent, a test apparatus and a system to control entry to an event uses particle count and spectrographic data. The present embodiments of the invention provide testing apparatuses, systems and methods. These embodiments may provide for an apparatus, system and method for non-invasive respiratory testing with multiple spectrometers. Also, the embodiments may provide for a system and method for determining test sufficiency for a non-invasive respiratory testing apparatus. Also, the embodiments may provide for a system and method for permitting access to a venue for a subject.

    HAIR CURLER APPARATUS
    28.
    发明公开

    公开(公告)号:US20240016275A1

    公开(公告)日:2024-01-18

    申请号:US18374177

    申请日:2023-09-28

    CPC classification number: A45D2/367

    Abstract: A hair curler having an inlet end having an air inlet, a longitudinally spaced apart second end, a longitudinal axis and a plurality of axially spaced apart curler outlets. A land portion is located between adjacent curler outlets and an air flow passage from the air inlet to the curler outlets.

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