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1. 发明授权

US09493997B2 Floating clamping device for injection head of continuous oil pipe 有权
标题翻译：连续油管注射头浮动夹紧装置
公开(公告)号：US09493997B2
公开(公告)日：2016-11-15
申请号：US14004957
申请日：2011-03-21
申请人： Dong Liu , Qingfeng Yu , Jilei Fang
发明人： Dong Liu , Qingfeng Yu , Jilei Fang
IPC分类号： E21B19/22
CPC分类号： E21B19/22
摘要： A floating clamping device for an injection head of a continuous oil pipe, including a drive sprocket, a transmission chain, a supporting plate, a pushing plate, clamping oil cylinders and a clamping assembly. At least two clamping oil cylinders are installed on the supporting plate fixedly. The pushing plate is fixed on the supporting plate through a pin shaft. The clamping assembly includes a saddle-shaped clamping block, a clamping block seat and rollers which are mounted on the clamping block seat. The clamping assembly is mounted on the transmission chain. A piston rod of the clamping oil cylinder is pressed on one face of the pushing plate, while the other face of the pushing plate is pressed on the rollers. The pushing plate has a simple structure and is convenient for maintenance; the clamping device has a compact structure and a reduced volume.
摘要翻译：一种用于连续油管的注射头的浮动夹紧装置，包括驱动链轮，传动链，支撑板，推板，夹紧油缸和夹紧组件。至少两个夹紧油缸固定在支撑板上。推板通过销轴固定在支撑板上。夹紧组件包括鞍形夹紧块，夹紧块座和安装在夹紧座座上的辊。夹紧组件安装在传动链上。夹紧油缸的活塞杆被压在推板的一个面上，而推板的另一面被压在辊子上。推板结构简单，维修方便; 夹紧装置具有紧凑的结构和减小的体积。

2. 发明申请

US20140000868A1 Floating Clamping Device for Injection Head of Continuous Oil Pipe 有权
标题翻译：连续油管注射头浮动夹紧装置
公开(公告)号：US20140000868A1
公开(公告)日：2014-01-02
申请号：US14004957
申请日：2011-03-21
申请人： Dong Liu , Qingfeng Yu , Jilei Fang
发明人： Dong Liu , Qingfeng Yu , Jilei Fang
IPC分类号： E21B19/22
CPC分类号： E21B19/22
摘要： A floating clamping device for an injection head of a continuous oil pipe, including a drive sprocket, a transmission chain, a supporting plate, a pushing plate, clamping oil cylinders and a clamping assembly. At least two clamping oil cylinders are installed on the supporting plate fixedly. The pushing plate is fixed on the supporting plate through a pin shaft. The clamping assembly includes a saddle-shaped clamping block, a clamping block seat and rollers which are mounted on the clamping block seat. The clamping assembly is mounted on the transmission chain. A piston rod of the clamping oil cylinder is pressed on one face of the pushing plate, while the other face of the pushing plate is pressed on the rollers. The pushing plate has a simple structure and is convenient for maintenance; the clamping device has a compact structure and a reduced volume.
摘要翻译：一种用于连续油管的注射头的浮动夹紧装置，包括驱动链轮，传动链，支撑板，推板，夹紧油缸和夹紧组件。至少两个夹紧油缸固定在支撑板上。推板通过销轴固定在支撑板上。夹紧组件包括鞍形夹紧块，夹紧块座和安装在夹紧座座上的辊。夹紧组件安装在传动链上。夹紧油缸的活塞杆被压在推板的一个面上，而推板的另一面被压在辊子上。推板结构简单，维修方便; 夹紧装置具有紧凑的结构和减小的体积。

3. 发明申请

US20060015504A1 Method and system for site path evaluation using web session clustering 有权
公开(公告)号：US20060015504A1
公开(公告)日：2006-01-19
申请号：US10891989
申请日：2004-07-15
申请人： Qingfeng Yu , Choudur Lakshminarayan , Alan Benson
发明人： Qingfeng Yu , Choudur Lakshminarayan , Alan Benson
IPC分类号： G06F17/30
CPC分类号： G06F17/30864
摘要： A method and system for site path evaluation using web session clustering is provided. The method identifies properties of a plurality of web site traversal paths. Data is acquired from a plurality of sessions corresponding to at least a portion of the plurality of web page traversal paths. Portions of the web site traversal paths are grouped into a unified web page category. The plurality of sessions is clustered into a plurality of web session clusters according to a similarity measure. One of the plurality of web session clusters most closely exhibiting at least one predefined metric is selected for analysis of the propertied of a web page traversal path contained therein. A system includes a plurality of web pages, a monitoring program and a computational process configured to receive data and identify properties of the plurality of traversal paths.

4. 发明申请

US20070198321A1 Website analysis combining quantitative and qualitative data 有权
标题翻译：网站分析结合定量和定性数据
公开(公告)号：US20070198321A1
公开(公告)日：2007-08-23
申请号：US11358376
申请日：2006-02-21
申请人： Choudur Lakshminarayan , Alan Benson , Qingfeng Yu
发明人： Choudur Lakshminarayan , Alan Benson , Qingfeng Yu
IPC分类号： G06F17/30
CPC分类号： G06Q10/0639 , G06F17/30864 , G06Q10/06395 , G06Q30/0201 , G06Q30/0204
摘要： Systems, methods, media, and other embodiments associated with predicting website user satisfaction based on current actions analyzed in light of combined quantitative and qualitative data are described. One example system embodiment includes logic for acquiring both quantitative website usage data and qualitative website satisfaction data. The example system also includes logic for creating a satisfaction categorization data from the quantitative website usage data and the qualitative website satisfaction data.
摘要翻译：描述了基于根据组合的定量和定性数据分析的当前动作来预测网站用户满意度的系统，方法，媒体和其他实施例。一个示例系统实施例包括用于获取定量网站使用数据和定性网站满意度数据的逻辑。示例系统还包括从定量网站使用数据和定性网站满意度数据创建满意度分类数据的逻辑。

5. 发明申请

US20050114382A1 Method and system for data segmentation 审中-公开
标题翻译：数据分割的方法和系统
公开(公告)号：US20050114382A1
公开(公告)日：2005-05-26
申请号：US10871148
申请日：2004-06-18
申请人： Choudur Lakshminarayan , Pramond Singh , Qingfeng Yu
发明人： Choudur Lakshminarayan , Pramond Singh , Qingfeng Yu
IPC分类号： G06F17/00 , G06K9/62
CPC分类号： G06K9/6218
摘要： One exemplary method comprises a method for grouping a plurality of data elements of a dataset. The method includes clustering the dataset into a plurality of clusters with each of the plurality of clusters including at least one of the plurality of data elements. The method further includes iteratively classifying the plurality of clusters into a plurality of classes of like data elements.
摘要翻译：一个示例性方法包括用于对数据集的多个数据元素进行分组的方法。所述方法包括将所述数据集聚类成多个聚类，所述多个聚类中的每一个包括所述多个数据元素中的至少一个。该方法还包括将多个聚类迭代地分类成多个类似的数据元素。

6. 外观设计

USD924980S1 Unicorn shaped game board 有权
公开(公告)号：USD924980S1
公开(公告)日：2021-07-13
申请号：US29764304
申请日：2020-12-29
申请人： Qingfeng Yu
设计人： Qingfeng Yu

7. 发明授权

US08572233B2 Method and system for site path evaluation using web session clustering 有权
标题翻译：使用Web会话聚类进行站点路径评估的方法和系统
公开(公告)号：US08572233B2
公开(公告)日：2013-10-29
申请号：US10891989
申请日：2004-07-15
申请人： Qingfeng Yu , Choudur K. Lakshminarayan , Alan Benson
发明人： Qingfeng Yu , Choudur K. Lakshminarayan , Alan Benson
IPC分类号： G06F15/173
CPC分类号： G06F17/30864
摘要： A method and system for site path evaluation using web session clustering is provided. The method identifies properties of a plurality of web site traversal paths. Data is acquired from a plurality of sessions corresponding to at least a portion of the plurality of web page traversal paths. Portions of the web site traversal paths are grouped into a unified web page category. The plurality of sessions is clustered into a plurality of web session clusters according to a similarity measure. One of the plurality of web session clusters most closely exhibiting at least one predefined metric is selected for analysis of the propertied of a web page traversal path contained therein. A system includes a plurality of web pages, a monitoring program and a computational process configured to receive data and identify properties of the plurality of traversal paths.
摘要翻译：提供了一种使用Web会话聚类进行站点路径评估的方法和系统。该方法识别多个网站遍历路径的属性。从对应于多个网页遍历路径的至少一部分的多个会话获取数据。网站遍历路径的一部分被分组为统一的网页类别。根据相似性度量，将多个会话聚类成多个web会话群集。选择最紧密地呈现至少一个预定义度量的多个web会话集群中的一个，用于分析其中包含的网页遍历路径的属性。系统包括多个网页，监视程序和计算过程，该程序被配置为接收数据并识别多个遍历路径的属性。

8. 外观设计

USD948630S1 Toy 有权
公开(公告)号：USD948630S1
公开(公告)日：2022-04-12
申请号：US29768415
申请日：2021-01-29
申请人： Qingfeng Yu
设计人： Qingfeng Yu

9. 外观设计

USD924336S1 Game board 有权
公开(公告)号：USD924336S1
公开(公告)日：2021-07-06
申请号：US29764292
申请日：2020-12-29
申请人： Qingfeng Yu
设计人： Qingfeng Yu

10. 外观设计

USD944332S1 Toy 有权
公开(公告)号：USD944332S1
公开(公告)日：2022-02-22
申请号：US29769031
申请日：2021-02-03
申请人： Qingfeng Yu
设计人： Qingfeng Yu

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