Patents by Inventor Duck Gyun KIM

Duck Gyun KIM 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).

  • Bolt and nut loosening prevention assembly
    Patent number: 11668338
    Abstract: The present invention relates to bolt and nut loosening prevention assemblies for preventing a bolt and a nut adapted to fix a first member and a second member to each other from loosening, including: loosening prevention members fitted to the bolt and the nut coupled to the first member and the second member, respectively; caps detachably coupled to the loosening prevention members, respectively, to prevent the loosening prevention members from rotating; and dual washers fixedly coupled to the insides of the loosening prevention members, respectively, to prevent the bolt and the nut from loosening.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: June 6, 2023
    Inventor: Duck Gyun Kim
  • BOLT AND NUT LOOSENING PREVENTION ASSEMBLY
    Publication number: 20210310512
    Abstract: The present invention relates to bolt and nut loosening prevention assemblies for preventing a bolt and a nut adapted to fix a first member and a second member to each other from loosening, including: loosening prevention members fitted to the bolt and the nut coupled to the first member and the second member, respectively; caps detachably coupled to the loosening prevention members, respectively, to prevent the loosening prevention members from rotating; and dual washers fixedly coupled to the insides of the loosening prevention members, respectively, to prevent the bolt and the nut from loosening.
    Type: Application
    Filed: March 31, 2021
    Publication date: October 7, 2021
    Inventor: Duck Gyun KIM