Patents by Inventor Yuch Su

Yuch Su 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).

  • Skateboard with variable-rate elastomeric steering control spring
    Patent number: 11478692
    Abstract: A skateboard and a variable-rate elastomeric steering control spring include a boardside unitary body formed of an exterior first elastomer having a first durometer on the Shore “A” scale, and an interior second elastomer coupled to the first elastomer and extending at least a length of the exterior first elastomer, the second elastomer having a second durometer on the Shore “A” scale and a through hole disposed to receive a kingpin of the skate truck; a roadside unitary body formed of an exterior third elastomer having a third durometer on the Shore “A” scale, and an interior fourth elastomer coupled to the third elastomer and extending at least a length of the exterior third elastomer, the interior fourth elastomer having a fourth durometer on the Shore “A” scale and a through hole disposed to receive the kingpin; and wherein the first, second, third and fourth elastomers comprise at least two durometers on the Shore “A” scale between 65A and 100A to enable the boardside unitary body and the roadside unitar
    Type: Grant
    Filed: December 1, 2020
    Date of Patent: October 25, 2022
    Assignee: SOLID DESIGN & MFG. CORP., LTD.
    Inventor: Yuch Su
  • SKATEBOARD WITH VARIABL-RATE ELASTOMERIC STEERING CONTROL SPRING
    Publication number: 20210077893
    Abstract: A skateboard and a variable-rate elastomeric steering control spring include a boardside unitary body formed of an exterior first elastomer having a first durometer on the Shore “A” scale, and an interior second elastomer coupled to the first elastomer and extending at least a length of the exterior first elastomer, the second elastomer having a second durometer on the Shore “A” scale and a through hole disposed to receive a kingpin of the skate truck; a roadside unitary body formed of an exterior third elastomer having a third durometer on the Shore “A” scale, and an interior fourth elastomer coupled to the third elastomer and extending at least a length of the exterior third elastomer, the interior fourth elastomer having a fourth durometer on the Shore “A” scale and a through hole disposed to receive the kingpin; and wherein the first, second, third and fourth elastomers comprise at least two durometers on the Shore “A” scale between 65A and 100A to enable the boardside unitary body and the roadside unitar
    Type: Application
    Filed: December 1, 2020
    Publication date: March 18, 2021
    Inventor: Yuch Su