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).

  • Patent number: 11027239
    Abstract: A disposable cell enrichment kit includes a crossflow filtration device configured to be disposed along a main loop pathway and to receive a process volume containing a biological sample and utilize crossflow filtration, via a micro-porous membrane, to retain a specific cell population in a retentate from the process volume and to remove a permeate including certain biological components from the process volume. The crossflow filtration device includes a laminated filtration unit that includes the micro-porous membrane, a first mating portion, a second mating portion, and a membrane support. The membrane support includes a first plurality of structural features that define a first plurality of openings, wherein the first plurality of structural features are coupled to the micro-porous membrane and provide support to the micro-porous membrane, and the first plurality of openings allow the permeate to flow through them after crossing the micro-porous membrane.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: June 8, 2021
    Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLC
    Inventors: Chengkun Zhang, Kashan Ali Shaikh, Reginald Donovan Smith, Weston Blaine Griffin
  • Publication number: 20210102157
    Abstract: A bioreactor vessel includes a bottom plate, a vessel body coupled to the bottom plate, the vessel body and the bottom plate defining an interior compartment therebetween, and a plurality of recesses formed in the bottom plate, each recess of the plurality of recesses being configured to receive a corresponding alignment pin on a bed plate for aligning the bioreactor vessel on the bed plate.
    Type: Application
    Filed: February 8, 2019
    Publication date: April 8, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210102153
    Abstract: 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: Application
    Filed: February 8, 2019
    Publication date: April 8, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210102156
    Abstract: 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: Application
    Filed: February 8, 2019
    Publication date: April 8, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210087510
    Abstract: A system for bioprocessing includes a tray having plurality of sidewalls and a bottom surface defining an interior compartment, and a generally open top, and an opening formed in the bottom surface of the tray, the opening having a perimeter. The perimeter of the opening is shaped and/or dimensioned such that a bioreactor vessel can be positioned above the opening and supported by the bottom surface of the tray while a portion of the bioreactor vessel is accessible through the opening in the bottom surface. The tray is receivable within a processing chamber such that the bed plate extends through the opening in the bottom surface of the tray to support the bioreactor vessel.
    Type: Application
    Filed: February 8, 2019
    Publication date: March 25, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20210087511
    Abstract: A bioprocessing method for cell therapy includes the steps of genetically modifying a population of cells in a bioreactor vessel to produce a population of genetically modified cells, and expanding the population of genetically modified cells within the bioreactor vessel to generate a number of genetically modified cells sufficient for one or more doses for use in a cell therapy treatment without removing the population of genetically modified cells from the bioreactor vessel. Cells are settled on a gas permeable, liquid impermeable membrane for expansion, and are resuspended when, or after, the desired cell density is reached.
    Type: Application
    Filed: February 8, 2019
    Publication date: March 25, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Patent number: 10907450
    Abstract: A gas vent system for use in a wellbore that includes a substantially horizontal portion is provided. The gas vent system includes a gas vent conduit positioned within the wellbore. The gas vent conduit defining a gas vent intake passage situated within the substantially horizontal portion of the wellbore and configured to facilitate a flow of gaseous substances therethrough. A gas vent valve coupled to the gas vent conduit and situated outside the wellbore. The gas vent valve controls the flow of gaseous substances through the gas vent conduit.
    Type: Grant
    Filed: December 15, 2015
    Date of Patent: February 2, 2021
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: James Rollins Maughan, Jeremy Daniel Van Dam, Kalpesh Singal, Chengkun Zhang
  • Publication number: 20210002599
    Abstract: A non-transitory computer readable medium includes instructions configured to adapt a controller to maintain a first target environment in a bioreactor vessel containing a population of cells for a first incubation period to produce a population of genetically modified cells from the population of cells, initiate a flow of media to the bioreactor vessel, maintain a second target environment in the bioreactor vessel for a second incubation period to produce an expanded population of genetically modified cells.
    Type: Application
    Filed: February 8, 2019
    Publication date: January 7, 2021
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20200392449
    Abstract: 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: Application
    Filed: February 8, 2019
    Publication date: December 17, 2020
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20200392446
    Abstract: 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: Application
    Filed: February 8, 2019
    Publication date: December 17, 2020
    Applicant: Global Life Sciences Solutions USA LLC
    Inventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
  • Publication number: 20200231921
    Abstract: A disposable cell enrichment kit includes a crossflow filtration device configured to be disposed along a main loop pathway and to receive a process volume containing a biological sample and utilize crossflow filtration, via a micro-porous membrane, to retain a specific cell population in a retentate from the process volume and to remove a permeate including certain biological components from the process volume. The crossflow filtration device includes a laminated filtration unit that includes the micro-porous membrane, a first mating portion, a second mating portion, and a membrane support. The membrane support includes a first plurality of structural features that define a first plurality of openings, wherein the first plurality of structural features are coupled to the micro-porous membrane and provide support to the micro-porous membrane, and the first plurality of openings allow the permeate to flow through them after crossing the micro-porous membrane.
    Type: Application
    Filed: October 3, 2018
    Publication date: July 23, 2020
    Inventors: Chengkun Zhang, Kashan A. Shaikh, Weston B. Griffin, Reginald Donovan Smith
  • Publication number: 20200148987
    Abstract: A bioreactor vessel includes a body having upper and lowerends and a hollow interior cavity formed in the body, the interior cavity located between the upper and lower ends, the interior cavity being configured to receive biomaterials for processing. The interior cavity includes a lower boundary that is angled toward the lower end of the body such that the vessel may be tilted to allow biomaterials within the interior cavity to be extracted and. concentrated and/or washed without the need for a separate bioprocessing device.
    Type: Application
    Filed: November 13, 2018
    Publication date: May 14, 2020
    Applicant: GE HEALTHCARE BIO-SCIENCES CORP.
    Inventors: REGINALD DONOVAN SMITH, Chengkun Zhang, Jason Castle, Kenneth Conway
  • Patent number: 10465157
    Abstract: A sampling assembly configured to be coupled to a sample source is provided. The sampling assembly is configured to facilitate aseptic sampling at one or more instances in time. The sampling assembly includes a first conduit having a first port and a second port, where the first port is configured to be coupled to the sample source, and where the second port is configured to be hermetically sealed. The sampling assembly further includes a plurality of sub-conduits having corresponding sub-ports, where each of the plurality of sub-conduits is operatively coupled to the first conduit at respective connection points, and where each of the sub-ports is in fluidic communication with the first conduit. Moreover, the sampling assembly includes a plurality of sampling kits, where each sampling kit of the plurality of sampling kits is operatively connected to a respective sub-port of a corresponding sub-conduit.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: November 5, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Chengkun Zhang, Kenneth Roger Conway, Donald Joseph Buckley, Eugene Pauling Boden, Weston Blaine Griffin, Anshika Bajaj, Reginald Donovan Smith, Zhipeng Zhang
  • Publication number: 20190105609
    Abstract: A disposable cell enrichment kit includes a crossflow filtration device configured to be disposed along a main loop pathway and to receive a process volume containing a biological sample and utilize crossflow filtration, via a micro-porous membrane, to retain a specific cell population in a retentate from the process volume and to remove a permeate including certain biological components from the process volume. The crossflow filtration device includes a laminated filtration unit that includes the micro-porous membrane, a first mating portion, a second mating portion, and a membrane support. The membrane support includes a first plurality of structural features that define a first plurality of openings, wherein the first plurality of structural features are coupled to the micro-porous membrane and provide support to the micro-porous membrane, and the first plurality of openings allow the permeate to flow through them after crossing the micro-porous membrane.
    Type: Application
    Filed: October 5, 2017
    Publication date: April 11, 2019
    Inventors: Chengkun Zhang, Kashan Ali Shaikh, Reginald Donovan Smith, Weston Blaine Griffin
  • Patent number: 10190950
    Abstract: A semi-automated sampling assembly configured for aseptic sampling at one or more instances from a sample source having a biological inoculum is provided. The semi-automated sampling assembly includes a sampling conduit, a recovery conduit, one or more sampling kits, and a pumping device. The sampling conduit includes a first port and a second port, where the first port of the sampling conduit is configured to be operatively coupled to the sample source. Further, the recovery conduit includes a first port and a second port, where the first port of the recovery conduit is configured to be operatively coupled to the sample source. Also, the second port of the recovery conduit is operatively coupled to at least a portion of the sampling conduit. Moreover, the one or more sampling kits are operatively coupled to the sampling conduit, and the pumping device is operatively coupled to the sampling conduit.
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: January 29, 2019
    Assignee: GENERAL ELECTRIC COMPANY
    Inventors: Weston Blaine Griffin, Chengkun Zhang, Kenneth Roger Conway, Reginald Donovan Smith
  • Patent number: D920410
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: May 25, 2021
    Assignee: UBTECH ROBOTICS CORP LTD
    Inventors: Shixun Chen, Francisco Jose Hernandez, Brandon Jon LaPlante, Chengkun Zhang, Huan Tan
  • Patent number: D921080
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: June 1, 2021
    Assignee: UBTECH ROBOTICS CORP LTD
    Inventors: Shixun Chen, Francisco Jose Hernandez, Brandon Jon LaPlante, Chengkun Zhang, Huan Tan
  • Patent number: D921081
    Type: Grant
    Filed: April 30, 2020
    Date of Patent: June 1, 2021
    Assignee: UBTECH ROBOTICS CORP LTD
    Inventors: Brandon Jon LaPlante, Francisco Jose Hernandez, Shixun Chen, Chengkun Zhang, Huan Tan
  • Patent number: D921082
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: June 1, 2021
    Assignee: UBTECH ROBOTICS CORP LTD
    Inventors: Francisco Jose Hernandez, Brandon Jon LaPlante, Shixun Chen, Chengkun Zhang, Huan Tan, Youjun Xiong
  • Patent number: D921083
    Type: Grant
    Filed: May 9, 2020
    Date of Patent: June 1, 2021
    Assignee: UBTECH ROBOTICS CORP LTD
    Inventors: Francisco Jose Hernandez, Brandon Jon LaPlante, Shixun Chen, Chengkun Zhang, Huan Tan, Youjun Xiong