Patents by Inventor Xiao Ya DU

Xiao Ya DU 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: 20230044726
    Abstract: A power tool assembly including a cut off saw and a shroud wherein, when the shroud is mounted on the cut off saw, the guard of the cut off saw is located within the shroud trough section of the shroud and the shroud is locked to the guard by locating the engagement section under one of the lower front edge or lower rear edge of the guard and by pivoting the switch lever to its first position to locate the peg under the other of the lower front edge or lower rear edge of the guard.
    Type: Application
    Filed: August 4, 2022
    Publication date: February 9, 2023
    Inventors: Xiao Ya DU, Chunlin WU, Panfei TANG, Earnest N. COPELAND, Jr., Floyd E. MORELAND, IV
  • Publication number: 20230037512
    Abstract: A cut off saw including a housing; a motor; a gear case, the gear case having an end face which extends from the side of the housing; an output spindle for a cutting blade which passes through and extends from the end face of the gear case which is rotationally driven by the motor when the motor is activated; a guard rotatably mounted on the end face of the gear case and which surrounds at least part of the periphery of a cutting blade when the cutting blade is mounted on the output spindle; a side wall of the guard faces the end face and includes a series of recesses which face towards the end face; the end face facing towards the side wall of the guard includes a series of projections which are capable of aligning with and engaging with the recesses.
    Type: Application
    Filed: August 4, 2022
    Publication date: February 9, 2023
    Inventors: Xiao Ya DU, Chunlin WU, Panfei TANG, Earnest N. COPELAND, JR., Floyd E. MORELAND, IV