Patents by Inventor Chaoyu Bi

Chaoyu Bi 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: 20250049255
    Abstract: There is disclosed herein a device (100) compatible with more than one type of portafilter to remove a coffee puck contained within an open compartment of the respective portafilter (180, 182), the coffee puck having an exposed first major face and a second major face in contact with the compartment, the device including: a body (102) providing an interior space (108) and having a rim (118) surrounding an aperture of the space (108), with the rim (118) being configured to engage the respective portafilter such that the first major face of the coffee puck in the open compartment of the respective portafilter (180, 182) communicates with the aperture; a vacuum source (132) to create a pressure differential between the first major face and the second major face of the coffee puck; and a sealing member (158) to sealingly connect the respective portafilter (180, 182) and the rim (118) so that air pressure applied to the first major face is less than air pressure applied to the second major face of the coffee puck
    Type: Application
    Filed: December 23, 2022
    Publication date: February 13, 2025
    Applicant: BREVILLE PTY LIMITED
    Inventors: Khon Minh Thai, Duncan Bruce Hellmers, Stephen John Mcclean, Maaike Petronella Kleijn, Chaoyu Bi