Patents by Inventor Yun L. Wang

Yun L. Wang 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: 11045936
    Abstract: A staple removing device has a pair of levers pivotally coupled at one end on an axis such that their other ends are capable of movement toward one another. A bias spring acts on the pair of levers for biasing the pair of levers into an open position. A pair of extraction jaws on the other end of the pair of levers have engaging ends extending toward the other of the pair of levers for engaging the underside of a staple embedded in a material to lift the staple away from the material. A capture slot is formed one of the pair of levers that captures a staple when removed.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: June 29, 2021
    Inventor: Yun L. Wang
  • Publication number: 20210122021
    Abstract: A staple removing device has a pair of levers pivotally coupled at one end on an axis such that their other ends are capable of movement toward one another. A bias spring acts on the pair of levers for biasing the pair of levers into an open position. A pair of extraction jaws on the other end of the pair of levers have engaging ends extending toward the other of the pair of levers for engaging the underside of a staple embedded in a material to lift the staple away from the material. A capture slot is formed one of the pair of levers that captures a staple when removed.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 29, 2021
    Inventor: YUN L. WANG
  • Patent number: 4953281
    Abstract: A staple remover is provided comprising two levers pivotally coupled at one end and being movable towards one another at their other ends. A pair of extraction jaws are formed at the movable ends of the levers for engaging the underside of a staple embedded in a material to thereby lift the staple away from the material. The staple remover also comprising an engaging member located adjacent the extraction jaw in one of the levers and forming a slot with said extraction jaw. The engaging member will engage the upper surface of the staple to thereby anchor the staple at a middle portion thereof for clean and uniform withdrawal of the staple ends from the paper.
    Type: Grant
    Filed: May 19, 1989
    Date of Patent: September 4, 1990
    Inventor: Yun L. Wang
  • Patent number: 4903945
    Abstract: A staple remover is provided comprising two levers pivotally coupled at one end and being movable towards one another at their other ends. A pair of extraction jaws are formed at the movable ends of the levers for engaging the underside of a staple embedded in a material to thereby lift the staple away from the material. The staple remover also comprising an engaging member located adjacent the extraction jaw in one of the levers and forming a slot with said extraction jaw. The engaging member will engage the upper surface of the staple to thereby anchor the staple at a middle portion thereof for clean and uniform withdrawal of the staple ends from the paper.
    Type: Grant
    Filed: March 25, 1988
    Date of Patent: February 27, 1990
    Inventor: Yun L. Wang
  • Patent number: 4808665
    Abstract: Shaped articles are made from blends of rubber and plastic in which the rubber is in the form of discrete vulcanized particles dispersed in the plastic. After shaping the articles, they are exposed to free-radical crosslinking which converts the blends from thermoplastics to thermosets.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: February 28, 1989
    Assignee: Monsanto Company
    Inventors: Raman Patel, Yun L. Wang, Sabet Abdou-Sabet
  • Patent number: 4480074
    Abstract: A process is described for preparing elastoplastic composition which comprises dynamically vulcanizing rubber with a thermoplastic blend of cured rubber and plastic.
    Type: Grant
    Filed: October 20, 1982
    Date of Patent: October 30, 1984
    Assignee: Monsanto Company
    Inventor: Yun L. Wang
  • Patent number: D871874
    Type: Grant
    Filed: April 13, 2018
    Date of Patent: January 7, 2020
    Inventor: Yun L. Wang