Patents by Inventor Xianzhi Zhang

Xianzhi Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10731451
    Abstract: An exploitation method and an exploitation well pattern for coalbed methane in a low-permeability coalbed. The method comprises: determining a maximum principal stress direction in a low-permeability coalbed; disposing at least two large-roadway horizontal wells in the low-permeability coalbed; disposing a plurality of production wells on two sides of a horizontal segment of each of the at least two large-roadway horizontal wells, wherein a diameter of each of the production wells is smaller than a diameter of the horizontal segment; exploiting the coalbed methane in the low-permeability coalbed through the at least two large-roadway horizontal wells and the plurality of production wells. Through the horizontal segments of the large-roadway horizontal wells perpendicular to the maximum principal stress direction, it promotes stress release in low-permeability coalbed to form more fracture channels, thereby improving the exploitation efficiency of the coalbed methane in the low-permeability coalbed.
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: August 4, 2020
    Assignee: PetroChina Company Limited
    Inventors: Yonggui Mei, Quanjiang Zhang, Biyun Zhu, Xianzhi Wang, Jian Guo, Wuchang Zhang, Xiaohua Lian, Shengfa Mao, Zhanxin Xue, Liuping Deng
  • Publication number: 20200214578
    Abstract: A cuff-type monitoring device, for collecting cardiovascular data relating to an individual user, comprising a control unit housing including a pump, a cuff assembly including a resilient cuff holder and an interface member arranged at the control unit housing, provided integral with the control unit housing or as a separate part, wherein there is provided at least a pneumatic coupling and an electrical coupling through the interface member, for coupling the cuff assembly to the control unit housing, wherein the resilient cuff holder comprises two retaining members, the interface member comprising two complementary retaining members, configured to be snap-fit with the retaining members, and assembly method to assemble the device.
    Type: Application
    Filed: January 3, 2020
    Publication date: July 9, 2020
    Applicant: WITHINGS
    Inventors: Xianzhi ZHANG, Jean-Louis WANG, Virginie VISSAC, Pierre-Antoine CUNIASSE, Benoît TUCOULAT, Mélanie ALSBERGHE-PATEL
  • Publication number: 20200214577
    Abstract: A cuff-type monitoring device, for collecting cardiovascular data relating to an individual user, comprising a control unit housing and a cuff assembly coupled or attached to the control unit housing, the cuff assembly comprising an inner layer, an inflatable bladder, a cuff holder, forming an structural resilient armature of the cuff assembly, an intermediate sheet, an outer band, wherein the cuff assembly is configured, in use, to surround a upper limb of the individual, with the inner layer in contact with the upper limb, wherein control unit housing comprises at least a pump configured to inflate the inflatable bladder, wherein the intermediate sheet is made in an inextensible, i.e. non-stretchable, fabric and there is provided a border joint or seam at least on three sides on a peripheral border of the inflatable bladder, the border joint joining and securing together the inner layer, the inflatable bladder, the intermediate sheet, and the an outer band.
    Type: Application
    Filed: December 18, 2019
    Publication date: July 9, 2020
    Applicant: WITHINGS
    Inventors: Jean-Louis WANG, Xianzhi ZHANG, Virginie VISSAC, Pierre-Antoine CUNIASSE, Benoit TUCOULAT, Mélanie ALSBERGHE-PATEL
  • Publication number: 20200121197
    Abstract: A device for collecting cardiovascular data relating to an individual user, comprising a control unit assembly with an electronic controller and a pneumatic unit, an arm band having an inflatable bladder and configured to surround the left arm of the individual, wherein the pneumatic unit has a pump and a pressure sensor, and is configured to inflate and deflate the inflatable bladder, so that the electronic controller can determine the arterial pressure of the user, the device further comprising an acoustic sensor being coupled to the external wall of the arm band and having a sensitive side such that in use configuration, the sensitive side is adjacent to the chest of the user, whereby at least a cardiovascular timing characteristic can be inferred from signals from the acoustic sensor and the pressure sensor. The device may also comprise a set of contact electrodes to provide additionally ECG functionality.
    Type: Application
    Filed: March 13, 2018
    Publication date: April 23, 2020
    Applicant: WITHINGS
    Inventors: David Campo, Bastien Rechke, Xianzhi Zhang, Mélanie Patel Alsberghe, Victor Ting, Olivier Bienvenu
  • Patent number: 10401056
    Abstract: The present disclosure provides a hydrothermal geothermal development method of multilateral well closed circulation, comprises the steps of: dividing a geothermal reservoir into single layers according to geothermal reservoir geological conditions, wherein an upper single layer with a lower water temperature and a higher permeability is taken as a recharge layer, and a lower single layer with a higher water temperature is taken as a production layer; tripping a production casing, and injecting cement for well cementation; performing casing lateral windowing in a vertical hole corresponding to the recharge layer, and drilling several branch radial horizontal holes into the recharge layer; performing casing lateral windowing in the vertical hole corresponding to the production layer, and drilling several branch radial horizontal holes into the production layer; tripping a guiding pipe into the production casing of the vertical hole, with a depth thereof reaching a well section between the recharge layer and th
    Type: Grant
    Filed: January 12, 2018
    Date of Patent: September 3, 2019
    Assignee: CHINA UNIVERSITY OF PETROLEUM-BEIJING
    Inventors: Xianzhi Song, Gensheng Li, Zhongwei Huang, Shouceng Tian, Haizhu Wang, Huaizhong Shi, Mao Sheng, Yiqun Zhang, Jingbin Li, Yu Shi
  • Publication number: 20190218314
    Abstract: Disclosed is a catalyst pre-contact method for the continuous polymerization of an olefin, wherein a primary catalyst, a co-catalyst and, optionally, an external electron donor are mixed and then undergo a pre-contact reaction, with the pre-contact reaction temperature being ?30° C. to 35° C. and adjustable, and the pre-contact reaction time being 0.5 min to 10 min and adjustable, and the pre-contacted catalyst is brought into a catalyst prepolymerization system and then into a catalyst polymerization system, or is directly brought into the catalyst polymerization system. Further disclosed is a catalyst pre-contact device for the continuous polymerization of an olefin, which can adjust the pre-contact time and pre-contact temperature of the catalyst so that the performance of the catalyst achieves a better level according to the process.
    Type: Application
    Filed: June 23, 2017
    Publication date: July 18, 2019
    Inventors: Xianzhi XIA, Tianyi ZHANG, Yuexiang LIU, Jin ZHAO
  • Publication number: 20190186252
    Abstract: The present disclosure discloses an exploitation method and an exploitation well pattern for coalbed methane in a low-permeability coalbed. The method comprises: determining a maximum principal stress direction in a low-permeability coalbed (1); disposing at least two large-roadway horizontal wells (3) in the low-permeability coalbed (1); disposing a plurality of production wells (4) on two sides of a horizontal segment (31) of each of the at least two large-roadway horizontal wells (3), wherein a diameter of each of the production wells (4) is smaller than a diameter of the horizontal segment (31) of the large-roadway horizontal well (3); exploiting the coalbed methane in the low-permeability coalbed through the at least two large-roadway horizontal wells (3) and the plurality of production wells (4).
    Type: Application
    Filed: February 25, 2019
    Publication date: June 20, 2019
    Inventors: Yonggui Mei, Quanjiang Zhang, Biyun Zhu, Xianzhi Wang, Jian Guo, Wuchang Zhang, Xiaohua Lian, Shengfa Mao, Zhanxin Xue, Liuping Deng
  • Publication number: 20190153809
    Abstract: An energy-gathered bundle type nesting plugging and wall reinforcing device and an application thereof in karst cave plugging. The energy-gathered bundle type nesting plugging and wall reinforcing device comprises an external slotted metal pipe (1) and an internal nesting blasting tool, wherein the slotted metal pipe (1) has spiral slits (2) or straight slits (3) cut on a pipe wall thereof; the nesting blasting tool is a mandrel (5) having a surface provided with a plurality of explosive grooves (4) in which explosives are placed; the slotted metal pipe (1) is disposed to sleeve the mandrel (5) and fixed, with a movable fit therebetween. The present invention can solve the difficulty that the plugging material cannot easily reside to form a bridge, and effectively improving the plugging success rate.
    Type: Application
    Filed: January 8, 2019
    Publication date: May 23, 2019
    Inventors: Yiqun Zhang, Ya Liu, Gensheng Li, Zhongwei Huang, Huaizhong Shi, Xianzhi Song, Mao Sheng, Lu Ji
  • Patent number: 9567076
    Abstract: The present disclosure provides a fuselage of an unmanned aerial vehicle. The fuselage comprises an upper plate, a lower plate opposite to the upper plate, a connecting plate, and a middle spacing plate; the connecting plate is connected between the upper plate and the lower plate; the upper plate, the lower plate, and the connecting plate are enclosed to define a receiving space; the upper plate, the lower plate, the connecting plate, and the middle spacing plate are integrally formed; the upper cavity is located between the middle spacing plate and the upper plate, and the lower cavity is located between the middle spacing plate and the lower plate; and a first mounting opening is defined in the upper plate allowing a component to enter the upper cavity, and a second mounting opening is defined in the lower plate allowing a component to enter the lower cavity.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: February 14, 2017
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Publication number: 20160219253
    Abstract: The present disclosure provides a diving photographing device. The diving photographing device includes a base for mounting a diving photographing apparatus, a first handle and a second handle arranged on the base to be handheld by a user, a remote control device arranged in the diving photographing device for remote control of the diving photographing apparatus; the remote control device includes a triggering switch arranged on the first handle and being operable by a user and a remote control circuit board connected to the triggering switch; and the triggering switch is wirelessly connected to the diving photographing apparatus. The present disclosure further provides a diving photographing system with the above diving photographing apparatus. The diving photographing device allows the user to conveniently handhold and operate the diving photographing apparatus.
    Type: Application
    Filed: May 13, 2014
    Publication date: July 28, 2016
    Applicant: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Patent number: 9377671
    Abstract: The present disclosure provides a waterproof housing for a camera. The waterproof housing includes a front housing and a back cover engaging with the front housing, the front housing forms a receiving cavity for receiving the camera and an opening allowing the camera to enter the receiving cavity, a lens window corresponding to a lens of the camera is formed on the front housing, the back cover covers the opening to enclose the receiving cavity; the waterproof housing further includes a fixing device for fixing the waterproof housing to an outer object and the fixing device is detachably mounted on the front housing. The waterproof housing of the present disclosure is capable of meeting various fixing requirements as well as reducing the manufacturing and using cost.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: June 28, 2016
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Publication number: 20160054643
    Abstract: The present disclosure provides a waterproof case for a camera, comprising a front cover for receiving the camera and a rear cover hinged to the front cover, the front cover is secured to the rear cover via a locking structure, wherein a tubular lens receiver is formed on the front cover for receiving a lens of the camera, the waterproof case further comprises a lens and a pressing ring, the pressing ring secures the lens to an opened end of the lens receiver, the pressing ring defines a side away from the lens, a plurality of protrusions are arranged on the side away from the lens, and a valley is defined between each two protrusions to allow light entering the inside of the lens through each valley and enlarge viewing angle of the camera.
    Type: Application
    Filed: November 4, 2015
    Publication date: February 25, 2016
    Inventor: Xianzhi Zhang
  • Patent number: 9255660
    Abstract: A camera fixing device includes a fixing assembly fixed to an external component, a mounting assembly for mounting the camera; and a connection assembly connected between the fixing assembly and the mounting assembly; the connection assembly comprises a first ball head, the mounting assembly comprises a second ball head, a first end of the connection assembly comprises a first receiving space which receives the first ball head and allows the first ball head to rotate therein, and a second end of the connection assembly comprises a second receiving space which receives the second ball head and allows the second ball head to rotate therein. Due to the fact that the ball head can rotate in the corresponding receiving space, the camera fixing device of the present invention can flexibly rotate and realize an omnidirectional shooting in a three-dimension space.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: February 9, 2016
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Publication number: 20160004142
    Abstract: The present disclosure provides a waterproof housing for a camera. The waterproof housing includes a front housing and a back cover engaging with the front housing, the front housing forms a receiving cavity for receiving the camera and an opening allowing the camera to enter the receiving cavity, a lens window corresponding to a lens of the camera is formed on the front housing, the back cover covers the opening to enclose the receiving cavity; the waterproof housing further includes a fixing device for fixing the waterproof housing to an outer object and the fixing device is detachably mounted on the front housing. The waterproof housing of the present disclosure is capable of meeting various fixing requirements as well as reducing the manufacturing and using cost.
    Type: Application
    Filed: May 22, 2014
    Publication date: January 7, 2016
    Inventor: Xianzhi Zhang
  • Publication number: 20150336670
    Abstract: The present disclosure provides a fuselage of an unmanned aerial vehicle. The fuselage comprises an upper plate, a lower plate opposite to the upper plate, a connecting plate, and a middle spacing plate; the connecting plate is connected between the upper plate and the lower plate; the upper plate, the lower plate, and the connecting plate are enclosed to define a receiving space; the upper plate, the lower plate, the connecting plate, and the middle spacing plate are integrally formed; the upper cavity is located between the middle spacing plate and the upper plate, and the lower cavity is located between the middle spacing plate and the lower plate; and a first mounting opening is defined in the upper plate allowing a component to enter the upper cavity, and a second mounting opening is defined in the lower plate allowing a component to enter the lower cavity.
    Type: Application
    Filed: May 22, 2014
    Publication date: November 26, 2015
    Applicant: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Publication number: 20150192242
    Abstract: The present invention provides a camera fixing device includes a fixing assembly fixed to an external component, a mounting assembly for mounting the camera; and a connection assembly connected between the fixing assembly and the mounting assembly; the connection assembly comprises a first ball head, the mounting assembly comprises a second ball head, a first end of the connection assembly comprises a first receiving space which receives the first ball head and allows the first ball head to rotate therein, and a second end of the connection assembly comprises a second receiving space which receives the second ball head and allows the second ball head to rotate therein. Due to the fact that the ball head can rotate in the corresponding receiving space, the camera fixing device of the present invention can flexibly rotate and realize an omnidirectional shooting in a three-dimension space.
    Type: Application
    Filed: November 26, 2013
    Publication date: July 9, 2015
    Applicant: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Patent number: D733666
    Type: Grant
    Filed: December 2, 2013
    Date of Patent: July 7, 2015
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Patent number: D737878
    Type: Grant
    Filed: April 29, 2014
    Date of Patent: September 1, 2015
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD.
    Inventor: Xianzhi Zhang
  • Patent number: D758467
    Type: Grant
    Filed: May 27, 2014
    Date of Patent: June 7, 2016
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang
  • Patent number: D772322
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: November 22, 2016
    Assignee: SHENZHEN AEE TECHNOLOGY CO., LTD
    Inventor: Xianzhi Zhang