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    • 2. 发明申请
    • Hair trimming device
    • 修剪装置
    • US20070028448A1
    • 2007-02-08
    • US11513001
    • 2006-08-30
    • Steven Park
    • Steven Park
    • B26B21/12
    • B26B21/12
    • A hair trimming device includes a cutter and a handle member. The cutter is substantially rectangular and flat and includes a blade and a frame. The handle member includes a hollow interior containing the cutter while the cutter is not in use. The cutter in use is exposed out of the handle member and is mounted above the handle member to be in line with the handle member. The frame member is configured to form a first contact line with a skin and at least one edge of the blade is configured to form a second contact line with hair. The second contact line is more distal from the skin than the first contact line.
    • 一种修剪装置包括切割器和手柄部件。 切割器基本上是矩形且平坦的并且包括叶片和框架。 手柄构件包括在切割器不使用时容纳切割器的中空内部。 使用的切割器从手柄部件露出并且被安装在手柄部件上方以与手柄部件一致。 框架构件构造成与皮肤形成第一接触线,并且叶片的至少一个边缘被配置成与头发形成第二接触线。 第二接触线比第一接触线更远离皮肤。
    • 4. 发明申请
    • CLEANING SYSTEM WITH HANDLE
    • US20190387947A1
    • 2019-12-26
    • US16563525
    • 2019-09-06
    • Steven Park
    • Steven Park
    • A47L13/16B24D15/04A47L13/46
    • The handheld cleaning apparatus provides a handheld cleaning apparatus comprising a removable handle, abrasive particles, angled edges, open channels, and a flexible yet durable surface for scouring. The invention creates an abrasive, or “sanding,” cleaning apparatus that is better suited for cleaning dirty surfaces than a traditional cleaning sponge. The handheld cleaning apparatus retains the abrasive outer shell of a sanding sponge but is much more flexible and water permeable than current sanding sponges. To this end, the handheld cleaning apparatus comprises open channels, or “blow holes,” that promote water flow through the sponge and give the sponge flexibility. The size and the number of the channels vary by the material or density of the sponge. The handheld cleaning apparatus, additionally, contains a handle that is removably attached, which enables the consumer the ability to connect one or more cleaning apparatuses together to form the desired shape and form of the cleaning apparatus.
    • 5. 发明授权
    • ESD protection for semiconductor products
    • 半导体产品的ESD保护
    • US06873017B2
    • 2005-03-29
    • US10438349
    • 2003-05-14
    • Jun CaiAlvin SugermanSteven Park
    • Jun CaiAlvin SugermanSteven Park
    • H01L20060101H01L21/338H01L23/62H01L27/02H01L29/76H01L29/78
    • H01L29/7833H01L27/0266
    • Device 60 in FIG. 3 has junctions 86 each with a lateral portion 90 and a second portion 92 extending upward toward the surface 12 from the lateral portion 90. The lateral portions 90, as illustrated in FIG. 3, are more or less formed along a plane parallel with the surface 12. The upwardly extending portions 92 include characteristic curved edges of the diffusion fronts which are associated with the planar process. With the regions 80 and 82 each having relatively high net dopant concentrations of different conductivity types, each lateral junction portion 90 includes a relatively large sub region 96 which extends more deeply into the layer 10. When compared to other portions of the junctions 86, the subregions 96 are characterized by a relatively low breakdown voltage so that ESD current is initially directed vertically rather than laterally.
    • 图6中的装置60。 3具有各自具有侧面部分90的接合部86和从侧面部分90朝向表面12向上延伸的第二部分92。 3或多或少地沿着与表面12平行的平面形成。向上延伸部分92包括与平面过程相关联的扩散前沿的特征弯曲边缘。 每个区域80和82各自具有不同导电类型的相对较高的净掺杂剂浓度,每个横向接合部分90包括更深地延伸到层10中的较大的子区域96.当与接头86的其他部分相比时, 子区域96的特征在于相对较低的击穿电压,使得ESD电流最初垂直而不是横向地指向。
    • 6. 发明授权
    • Flow restrictor valve for a downhole drilling assembly
    • 用于井下钻井组件的限流阀
    • US06202762B1
    • 2001-03-20
    • US09305438
    • 1999-05-06
    • James FehrSteven Park
    • James FehrSteven Park
    • E21B402
    • E21B21/10E21B4/02
    • An improved drilling assembly of the type comprising a fluid driven motor, a driveshaft operatively connected with the motor, a housing for enclosing the driveshaft and an annular flow passage defined between the driveshaft and the housing for circulating drive fluid therethrough. The improvement comprises a drive fluid flow restrictor device comprising a constricted section in the annular flow passage, an expanded section in the annular flow passage and a valve member positioned in the annular flow passage. The valve member is movable axially in the annular flow passage between the constricted section and the expanded section to define a flow restricting position and a normal flow position When the valve member is in the flow restricting position the circulation of drive fluid through the annular flow passage is restricted. When the valve member is in the normal flow position the circulation of drive fluid through the annular flow passage is relatively unrestricted.
    • 一种改进的钻井组件,其类型包括流体驱动马达,与马达可操作地连接的驱动轴,用于封闭驱动轴的壳体和限定在驱动轴和壳体之间的环形流动通道,用于使驱动流体循环通过。 该改进包括驱动流体限流装置,其包括环形流动通道中的收缩部分,环形流动通道中的膨胀部分和定位在环形流动通道中的阀部件。 阀构件可以在收缩部分和膨胀部分之间的环形流动通道中轴向移动以限定流动限制位置和正常流动位置当阀构件处于限流位置时,驱动流体循环通过环形流动通道 被限制 当阀构件处于正常流动位置时,驱动流体通过环形流动通道的循环是相对不受限制的。
    • 7. 发明授权
    • Handheld cleaning apparatus
    • US10420449B2
    • 2019-09-24
    • US15603323
    • 2017-05-23
    • Steven Park
    • Steven Park
    • A47L13/16B24D15/04A47L13/46
    • The handheld cleaning apparatus provides a handheld cleaning apparatus comprising a removable handle, abrasive particles, angled edges, open channels, and a flexible yet durable surface for scouring. The invention creates an abrasive, or “sanding,” cleaning apparatus that is better suited for cleaning dirty surfaces than a traditional cleaning sponge. The handheld cleaning apparatus retains the abrasive outer shell of a sanding sponge but is much more flexible and water permeable than current sanding sponges. To this end, the handheld cleaning apparatus comprises open channels, or “blow holes,” that promote water flow through the sponge and give the sponge flexibility. The size and the number of the channels vary by the material or density of the sponge. The handheld cleaning apparatus, additionally, contains a handle that is removably attached, which enables the consumer the ability to connect one or more cleaning apparatuses together to form the desired shape and form of the cleaning apparatus.