Patents by Inventor Chengkun Zhang
Chengkun 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).
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Patent number: 12252682Abstract: A bioprocessing system includes a first fluid assembly having a first fluid assembly line connected to a first port of a first bioreactor vessel though a first bioreactor line of a first bioreactor vessel, a second fluid assembly having a second fluid assembly line connected to a second port of the first bioreactor vessel through a second bioreactor line of the first bioreactor vessel, and an interconnect line providing for fluid communication between the first fluid assembly and the second fluid assembly, and for fluid communication between the second bioreactor line of the first bioreactor vessel and the first bioreactor line of the first bioreactor vessel.Type: GrantFiled: May 2, 2022Date of Patent: March 18, 2025Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Publication number: 20240416177Abstract: A user exercise detection method applicable in a robot includes: obtaining first measurement data from at least one inertial measurement unit (IMU) sensor that is arranged at a designated body part of the user, and detecting a posture of the user relative to the robot based on the first measurement data; obtaining second measurement data from the at least one IMU sensor, and determining whether an exercise of the user corresponding to the posture is detected according to a preset threshold parameter and the second measurement data; in response to detection of the exercise, obtaining exercise data when the user performs the exercise multiple times through the at least one IMU sensor; and adjusting the threshold parameter according to the exercise data.Type: ApplicationFiled: June 13, 2023Publication date: December 19, 2024Inventors: Sheryl Suet Ying Chau, Robert Malate, Chengkun Zhang, Huan Tan
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Patent number: 12077743Abstract: In an embodiment, a tubing module for a bioprocessing system includes a first tubing holder block configured to receive at least one pump tube and hold the at least one pump tube in position for selective engagement with a peristaltic pump, a second tubing holder block configured to receive a plurality of pinch valve tubes and hold each pinch valve tube of the plurality of pinch valve tubes in position for selective engagement with a respective actuator of a pinch valve array, and wherein the first tubing holder block and the second tubing holder block are interconnected.Type: GrantFiled: February 8, 2019Date of Patent: September 3, 2024Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Publication number: 20240279585Abstract: In an embodiment, a tubing module for a bioprocessing system includes a first tubing holder block configured to receive at least one pump tube and hold the at least one pump tube in position for selective engagement with a peristaltic pump, a second tubing holder block configured to receive a plurality of pinch valve tubes and hold each pinch valve tube of the plurality of pinch valve tubes in position for selective engagement with a respective actuator of a pinch valve array, and wherein the first tubing holder block and the second tubing holder block are interconnected.Type: ApplicationFiled: April 30, 2024Publication date: August 22, 2024Applicant: Global Life Sciences Solutions USA LLCInventors: Weston Blaine Griffin, Alex D. Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Publication number: 20240200012Abstract: A bioprocessing system includes a first module configured for enriching and isolating a population of cells, a second module configured for activating, genetically modifying, and expanding the population of cells, and a third module configured for harvesting the expanded population of cells.Type: ApplicationFiled: January 11, 2024Publication date: June 20, 2024Applicant: Global Life Sciences Solutions USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Publication number: 20240132826Abstract: An apparatus for bioprocessing includes a housing, a drawer receivable within the housing, the drawer including a plurality of sidewalls and a bottom defining a processing chamber, and a generally open top, the drawer being movable between a closed position in which the drawer is received within the housing, and an open position in which the drawer extends from the housing enabling access to the processing chamber through the open top, and at least one bed plate positioned within the processing chamber and configured to receive a bioreactor vessel.Type: ApplicationFiled: December 29, 2023Publication date: April 25, 2024Applicant: Global Life Sciences Solutions USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Patent number: 11932842Abstract: An apparatus for bioprocessing includes a housing, a drawer receivable within the housing, the drawer including a plurality of sidewalls and a bottom defining a processing chamber, and a generally open top, the drawer being movable between a closed position in which the drawer is received within the housing, and an open position in which the drawer extends from the housing enabling access to the processing chamber through the open top, and at least one bed plate positioned within the processing chamber and configured to receive a bioreactor vessel.Type: GrantFiled: February 8, 2019Date of Patent: March 19, 2024Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Patent number: 11931885Abstract: A touch sensing method and a serial manipulator using the same are disclosed. A serial manipulator using the method may detect and localize external torques by obtaining a torque value of each joint of a serial manipulator through a torque sensor at the joint; obtaining a preset joint angle of each joint from the serial manipulator; calculating a Jacobian matrices of the serial manipulator based on the joint angle of the joints; estimating joint torques of the serial manipulator based on the torque value of each joint and the Jacobian matrices; calculating an error between the torque value of each joint and the estimated joint torque corresponding to the joint; and determining a link of the serial manipulator that is connected to the joint with the minimum calculated error as having been touched.Type: GrantFiled: October 29, 2021Date of Patent: March 19, 2024Assignee: UBKANG (QINGDAO) TECHNOLOGY CO., LTD.Inventors: Sheryl Suet Ying Chau, Yang Shen, Chengkun Zhang, Huan Tan
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Patent number: 11918537Abstract: A method for controlling a robotic walking assistant that includes a wheeled base having one or more wheels, two handles and a foldable seat that are coupled to the wheeled base, includes: detecting whether two hands of a user have held the two handles of the robotic walking assistant; receiving a command from the user to select an operation mode in response to detection of the two hands holding the two handles; controlling the wheeled base to move in response to a walking assistive mode being selected; providing resistance to at least one of the one or more wheels according to selection of the user, in response to a walking training mode being selected; and locking the one or more wheels in response to a static training mode being selected.Type: GrantFiled: November 16, 2021Date of Patent: March 5, 2024Assignee: UBKANG (QINGDAO) TECHNOLOGY CO., LTD.Inventors: Yang Shen, Armen Gardabad Ohanian, Zhen Xiu, Muhammed Rasid Pac, Chengkun Zhang, Huan Tan
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Patent number: 11920119Abstract: A bioprocessing system includes a first module configured for enriching and isolating a population of cells, a second module configured for activating, genetically modifying, and expanding the population of cells, and a third module configured for harvesting the expanded population of cells.Type: GrantFiled: February 8, 2019Date of Patent: March 5, 2024Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
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Patent number: 11806303Abstract: A robotic walking assistant includes a wheeled base having a base and one or more position adjustable wheels connected to the base, a body disposed in a vertical direction, positioned on the wheeled base and having a handle, and a control system that receives command instructions. Each of the one or more wheels is slidable with respect to the base between a retracted position and an extended position in a direction that is substantially parallel to a surface where the wheeled base moves. In response to the command instructions, the control system moves the one or more wheels between the retracted positions and the extended positions.Type: GrantFiled: June 28, 2021Date of Patent: November 7, 2023Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: ChengKun Zhang, Luis Alfredo Mateos Guzman, Houzhu Ding, Zhen Xiu, Huan Tan
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Patent number: 11766775Abstract: A design method of serial manipulator that comprises an end effector, a number of random-access links, and a number of motors, includes: obtaining a desired motion profile of the end effector; discretizing the desired motion profile into a plurality of points, wherein each of the points carries information of speed, acceleration, and force/torque of the end effector at the point; determining the number of degrees of freedom of the serial manipulator, and initializing the length of each of the links and the motor type of each of the motors; and at each of the points, optimizing the initialized lengths of the links and the motor types of the motors by calculating a dynamic manipulability ellipsoid at the end effector, to obtain desired lengths of the links and desired motor types of the motors, which allows the end effector to execute the desired motion profile under predetermined constraints.Type: GrantFiled: May 20, 2021Date of Patent: September 26, 2023Assignee: UBKang (Qingdao) Technology Co., Ltd.Inventors: Yang Shen, Dejun Guo, ChengKun Zhang, Huan Tan
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Patent number: 11685043Abstract: A mechanical arm includes a first link connectable to a surface, a second link, a third link, a fourth link, and a fifth link that are coupled to one another in series, and an end effector connectable to the fifth link. The end effector is rotatable about an axis of rotation same as an axis of rotation of the fourth link, and rotatable about an axis of rotation orthogonal to the axis of rotation of the fourth link. The first link, the second link, the third link, the fourth link, and the fifth link are collectively structured and configured to rotate such that the end effector is actuatable to a workspace under the surface.Type: GrantFiled: June 15, 2020Date of Patent: June 27, 2023Assignee: UBTECH ROBOTICS CORP LTDInventors: Chengkun Zhang, Liang Huang, Jianbo Li, Jingchen Li, Hongyu Ding, Wenhua Fan, Won Suk You, Raymond Ma, Muhammed Rasid Pac, Huan Tan, Youjun Xiong
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Publication number: 20230133207Abstract: A touch sensing method and a serial manipulator using the same are disclosed. A serial manipulator using the method may detect and localize external torques by obtaining a torque value of each joint of a serial manipulator through a torque sensor at the joint; obtaining a preset joint angle of each joint from the serial manipulator; calculating a Jacobian matrices of the serial manipulator based on the joint angle of the joints; estimating joint torques of the serial manipulator based on the torque value of each joint and the Jacobian matrices; calculating an error between the torque value of each joint and the estimated joint torque corresponding to the joint; and determining a link of the serial manipulator that is connected to the joint with the minimum calculated error as having been touched.Type: ApplicationFiled: October 29, 2021Publication date: May 4, 2023Inventors: Sheryl Suet Ying Chau, Yang Shen, Chengkun Zhang, Huan Tan
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Patent number: 11617705Abstract: A robotic assistant includes a wheeled base, a body positioned on the base, a foldable seat rotatably connected to the body, an actuator to rotate the foldable seat with respect to the body, and a control system that receives command instructions. The actuator is electrically coupled to the control system. In response to the command instructions, the control system is to control the actuator to rotate the foldable seat to a folded position or an unfolded position. The control system is further to detect whether an external force from a user has applied to the foldable seat, and release the actuator to allow the foldable seat to be manually rotated.Type: GrantFiled: November 19, 2021Date of Patent: April 4, 2023Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Houzhu Ding, Armen Gardabad Ohanian, Brandon Jon LaPlante, Chengkun Zhang, Zhen Xiu, Huan Tan
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Patent number: D986119Type: GrantFiled: June 28, 2021Date of Patent: May 16, 2023Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Brandon Jon LaPlante, Francisco Jose Hernandez, Zhen Xiu, ChengKun Zhang, Huan Tan
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Patent number: D989145Type: GrantFiled: November 5, 2021Date of Patent: June 13, 2023Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Francisco Jose Hernandez, ChengKun Zhang, Huan Tan
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Patent number: D996304Type: GrantFiled: November 12, 2021Date of Patent: August 22, 2023Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTD.Inventors: Francisco Jose Hernandez, ChengKun Zhang, Jinxing Wang, Kun Xie, Huan Tan
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Patent number: D997096Type: GrantFiled: June 25, 2021Date of Patent: August 29, 2023Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Zhi Heng Leow, Francisco Jose Hernandez, Chengkun Zhang, Huan Tan
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Patent number: D1038846Type: GrantFiled: July 14, 2023Date of Patent: August 13, 2024Assignees: UBTECH ROBOTICS CORP LTD, FUTRONICS (NA) CORPORATIONInventors: Sichao Zhong, Qianshan Li, Chengkun Zhang, Kun Xie, Huan Tan