Patents by Inventor Derek Jenwen HO

Derek Jenwen HO 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).

  • Receptacle device
    Patent number: 12239857
    Abstract: There is provided a receptacle device for a mask, the receptacle device comprising: a valve; a body portion surrounding the valve; an anchor portion; and a securing portion; wherein the anchor portion and the body portion define a channel therebetween, and the channel is configured to releasably engage the securing portion; and wherein the securing portion is configured to engage the mask.
    Type: Grant
    Filed: May 17, 2024
    Date of Patent: March 4, 2025
    Inventors: Vasanth Mohanraj, Derek Jenwen Ho
  • Receptacle Device
    Publication number: 20240299782
    Abstract: There is provided a receptacle device for a mask, the receptacle device comprising: a valve; a body portion surrounding the valve; an anchor portion; and a securing portion; wherein the anchor portion and the body portion define a channel therebetween, and the channel is configured to releasably engage the securing portion; and wherein the securing portion is configured to engage the mask.
    Type: Application
    Filed: May 17, 2024
    Publication date: September 12, 2024
    Inventors: Vasanth MOHANRAJ, Derek Jenwen HO
  • Receptacle device
    Patent number: 11998772
    Abstract: There is provided a receptacle device for a mask, the receptacle device comprising: a valve; a body portion surrounding the valve; and an anchor portion; wherein the body portion and the anchor portion are integrally formed; and wherein the anchor portion and the body portion define a channel therebetween, and the channel is configured to releasably engage the mask. A method of manufacturing a mask assembly or retrofitting a receptacle device to a workpiece mask is also provided which comprises a mask and said receptacle device.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: June 4, 2024
    Inventors: Vasanth Mohanraj, Derek Jenwen Ho
  • Receptacle Device
    Publication number: 20220241622
    Abstract: There is provided a receptacle device for a mask, the receptacle device comprising: a valve; a body portion surrounding the valve; and an anchor portion; wherein the body portion and the anchor portion are integrally formed; and wherein the anchor portion and the body portion define a channel therebetween, and the channel is configured to releasably engage the mask. A method of manufacturing a mask assembly or retrofitting a receptacle device to a workpiece mask is also provided which comprises a mask and said receptacle device.
    Type: Application
    Filed: December 29, 2021
    Publication date: August 4, 2022
    Inventors: Vasanth MOHANRAJ, Derek Jenwen HO