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    Non-Destructive Concrete Stress Evaluation
    91.
    发明申请
    Non-Destructive Concrete Stress Evaluation 有权

    公开(公告)号：US20210164945A1

    公开(公告)日：2021-06-03

    申请号：US17263229

    申请日：2019-07-29

    Applicant: WiSys Technology Foundation, Inc.

    Inventor： Hanwan JIANG ,  Hanyu ZHAN ,  Ruinian JIANG

    IPC: G01N29/50 ,  G01N33/38 ,  G01L1/22 ,  G01N29/07

    Abstract: A system of monitoring diffuse waves over a concrete beam under different loads. Ultrasound transmitters and receivers are placed over the concrete beam to emit sound waves and collect diffuse waves under different loads. The waveform variations are observed to quantify a decorrelation coefficient (DC) indicating global structural changes and crack position. An inversion of the correlations is applied to estimate distribution density at each localized position following the sensitivity kernel and inversion algorithms. Then, three-dimensional imaging comprised of density values at each localized position are generated to indicate number, position, and depth of multiple cracks.

    Golf swing improvement tool
    94.
    发明授权
    Golf swing improvement tool 有权

    公开(公告)号：US10589160B2

    公开(公告)日：2020-03-17

    申请号：US16037505

    申请日：2018-07-17

    Applicant: WiSys Technology Foundation, Inc.

    Inventor： Samuel B. Hunt

    IPC: A63B69/36 ,  A63B1/00 ,  A63B102/32

    Abstract: A golf swing improvement tool is provide that attaches to a golf club, and includes a guide arm contacting the leading forearm of a golfer. An offset arm allows the guide arm to be offset laterally from the longitudinal axis of the golf club. The user adjusts the offset distance to give a specific leading arm-to-club relationship. If the club moves ahead of the desired relationship with the leading arm during the swing, the user will be alerted to this error by the guide arm loosing contact with the forearm.

    Metering Nozzle for Squeeze Bottle
    97.
    发明申请
    Metering Nozzle for Squeeze Bottle 审中-公开

    公开(公告)号：US20180274963A1

    公开(公告)日：2018-09-27

    申请号：US15935308

    申请日：2018-03-26

    Applicant: WiSys Technology Foundation, Inc.

    Inventor： Jonathan P. Geissler ,  Dawson J. Nemmers

    IPC: G01F11/32 ,  G01F11/28 ,  G01F15/00

    Abstract: The present invention provides a metering nozzle used with a squeezable bottle for dispensing a fixed amount of fluid from the bottle. A dispensing chamber volume of the metering nozzle may be adjusted to adjust the volume of fluid dispensed from the bottle. The nozzle allows the fixed amount of fluid to be measured and then dispensed without returning into the bottle by utilizing a movable piston, shuttling between the nozzle inlet and the nozzle outlet by applying a compression force to the bottle against a biasing force of a spring.

    Investment casting refractory material
    100.
    发明授权
    Investment casting refractory material 有权
    投资型耐火材料

    公开(公告)号：US09539637B2

    公开(公告)日：2017-01-10

    申请号：US13735770

    申请日：2013-01-07

    Applicant: WiSys Technology Foundation, Inc.

    Inventor： Daniel Scott McGuire ,  Eric Ernst Hellstrom

    IPC: B22C1/02 ,  B22C1/14 ,  B22C9/04

    CPC classification number: B22C1/02 ,  B22C9/04

    Abstract: An investment casting method involves producing a casting shell by applying a hardenable refractory material to a sacrificial pattern. The casting shell having a plurality of phosphate bonds in the hardenable refractory material, which provide increased structural integrity during casting and improved frangibility during shell removal. The casting shell may also have a plurality of gaseous pockets suspended in the refractory material, which do not degrade the structural integrity during casting and provide improved frangibility during shell removal.

    Abstract translation: 熔模铸造方法涉及通过将可硬化耐火材料应用于牺牲图案来生产铸造壳体。 铸造壳体在可硬化耐火材料中具有多个磷酸盐键，其在铸造过程中提供增加的结构完整性，并且在壳体去除期间提高了易碎性。 铸造壳体还可以具有悬挂在耐火材料中的多个气体袋，其在铸造过程中不降低结构完整性，并且在壳体移除期间提供改进的易碎性。

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