Patents by Inventor Victor K. TSUI

Victor K. TSUI 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).

  • Publication number: 20190366003
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Application
    Filed: August 20, 2019
    Publication date: December 5, 2019
    Applicant: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. TSUI
  • Patent number: 10384011
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: August 20, 2019
    Assignee: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. Tsui
  • Patent number: 10384012
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: August 20, 2019
    Assignee: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. Tsui
  • Patent number: 10071204
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Grant
    Filed: October 1, 2015
    Date of Patent: September 11, 2018
    Assignee: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. Tsui
  • Publication number: 20160199580
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Application
    Filed: March 22, 2016
    Publication date: July 14, 2016
    Applicant: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. TSUI
  • Patent number: 9370622
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: June 21, 2016
    Assignee: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. Tsui
  • Publication number: 20160038681
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Application
    Filed: September 29, 2015
    Publication date: February 11, 2016
    Applicant: Powder Pharmaceuticals Incorporated
    Inventor: Victor K. TSUI
  • Publication number: 20160022910
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Application
    Filed: October 1, 2015
    Publication date: January 28, 2016
    Applicant: POWDER PHARMACEUTICALS INCORPORATED
    Inventor: Victor K. TSUI
  • Publication number: 20160022911
    Abstract: Systems, devices, and methods for delivering therapeutic particles are disclosed. In one variation, a device for delivering particles includes a gas supply configured for supplying gas under pressure, a particle cassette comprising the particles, a cassette housing, and a cassette membrane. The cassette housing can comprise an Ethylene Vinyl Acetate (EVA) copolymer of 18% to 28% by weight of Vinyl Acetate (VA). The device can also include a safety interlock to prevent or minimize the risk that the device will be unintentionally activated. The device can also have a silencer.
    Type: Application
    Filed: October 1, 2015
    Publication date: January 28, 2016
    Applicant: POWDER PHARMACEUTICALS INCORPORATED
    Inventor: Victor K. TSUI