Patents by Inventor Du Sing-Long

Du Sing-Long 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).

  • Patent number: 11738990
    Abstract: Ullage float assemblies for fuel tanks are disclosed including a guide member with a retaining element mounted to a valve body which includes a first valve port and a second valve port in fluid communication. Methods of preventing spillage of fuel from a fuel tank during a refueling and a diurnal fuel volumetric expansion event are also disclosed. The assemblies and methods.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: August 29, 2023
    Assignee: WHITECAP INDUSTRIES, INC.
    Inventors: Christopher Brown, Du Sing-Long, Todd Moore, Christopher E. Tomao
  • Publication number: 20220402747
    Abstract: Ullage float assemblies for fuel tanks are disclosed including a guide member with a retaining element mounted to a valve body which includes a first valve port and a second valve port in fluid communication. Methods of preventing spillage of fuel from a fuel tank during a refueling and a diurnal fuel volumetric expansion event are also disclosed. The assemblies and methods.
    Type: Application
    Filed: June 14, 2022
    Publication date: December 22, 2022
    Applicant: Whitecap Industries, Inc.
    Inventors: Christopher Brown, Du Sing-Long, Todd Moore, Christopher E. Tomao
  • Publication number: 20210071452
    Abstract: A compression latch is provided, which comprises a compression latch body comprising a first side and a second side opposite the first side, a handle extending from the first side and rotatable in an x-y plane, a rod extending from the second side in a z direction, a latch pawl connected to the rod and linear actuator connected to the handle and the rod.
    Type: Application
    Filed: September 9, 2020
    Publication date: March 11, 2021
    Applicant: Whitecap Industries, Inc.
    Inventors: Christopher E. Tomao, Du Sing-Long
  • Patent number: 9957732
    Abstract: A compression latch having a body including a cup having a well defining a first side of the compression latch, an exterior portion defining a second side opposite the first side, and a raised portion defining a peripheral rim surrounding the cup, the peripheral rim providing an uppermost surface of the cup is disclosed. The compression latch has a T-shaped handle mounted to the body, the T-shaped handle being foldable and reversible and having a cam lock mounted thereon, the cam lock having a keying element on one side of the handle and a rotatable locking cam on the second side of the handle, wherein when the T-shaped handle is folded in a first position, the keying element is exposed and does not protrude beyond the uppermost surface of the cup and when the T-shaped handle is reversed and folded in a second position, the rotatable locking cam is exposed and does no protrude beyond the uppermost surface of the cup.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: May 1, 2018
    Assignee: WHITECAP INDUSTRIES, INC.
    Inventors: Christopher E. Tomao, Du Sing-Long