Patents by Inventor Zhang Ruilin

Zhang Ruilin 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: 20230055622
    Abstract: An exhaust and filtration assembly includes: a housing; an exhaust vent configured to guide unfiltered air out of the exhaust and filtration assembly; a filter assembly configured to filter air and guide the filtered air out of the exhaust and filtration assembly; an exhaust assembly configured to direct raw air from an entry port of the exhaust and filtration assembly and direct air out of the exhaust vent without the air having been filtered; and a controller comprising computing logic configured to control so that only one of air filtration and raw air exhaust occurs at any given time.
    Type: Application
    Filed: August 17, 2021
    Publication date: February 23, 2023
    Inventors: Peter D. Berkman, Michael J. Malaker, Deborah Holtkamp, Huang XiaoYing, He LiTing, Lin TiaoHao, Zhang Ruilin
  • Patent number: D933195
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: October 12, 2021
    Assignee: Homewerks Worldwide, LLC
    Inventors: Michael Malaker, Huang Xiaoying, Jeffrey Jon Pischke, Zhang Ruilin