Patents by Inventor Sheenfar S. Fong

Sheenfar S. Fong 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: 11795627
    Abstract: A direct fixation fastener comprising: a top plate; a bottom plate made of metal structural channel providing two spaced-apart side walls, wherein the bottom plate has a first end and a second end and wherein each of the first and second ends terminate in a first flat edge section and a second flat edge section, respectively, without spaced-apart side walls; first and second angle bars, wherein the first angle bar is attached to the first flat edge section and the second angle bar is attached to the second flat edge section; and an elastomeric layer disposed between the top plate and the bottom plate, between the top plate and angle bars and between the angle bars and the spaced-apart side walls.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: October 24, 2023
    Assignee: L. B. Foster Company
    Inventors: Robert L. Alsop, Sheenfar S Fong, Korhan Ciloglu
  • Publication number: 20220136177
    Abstract: A direct fixation fastener comprising: a top plate; a bottom plate made of metal structural channel providing two spaced-apart side walls, wherein the bottom plate has a first end and a second end and wherein each of the first and second ends terminate in a first flat edge section and a second flat edge section, respectively, without spaced-apart side walls; first and second angle bars, wherein the first angle bar is attached to the first flat edge section and the second angle bar is attached to the second flat edge section; and an elastomeric layer disposed between the top plate and the bottom plate, between the top plate and angle bars and between the angle bars and the spaced-apart side walls.
    Type: Application
    Filed: November 2, 2020
    Publication date: May 5, 2022
    Inventors: ROBERT L. ALSOP, Sheenfar S. Fong, Korhan Ciloglu
  • Publication number: 20180163091
    Abstract: A system for dispensing hot melt adhesives, comprising an adhesive dispenser including a fluid passage leading to an outlet. The system further comprises a supply conduit fluidly connected to the fluid passage and a feeding mechanism configured to feed an elongate, flexible element of solid adhesive into the supply conduit. The system further comprises a first heating element positioned along at least a portion of the supply conduit to melt a portion of the elongate, flexible element being fed into the supply conduit and thereby form a supply of liquid adhesive within the supply conduit.
    Type: Application
    Filed: February 8, 2018
    Publication date: June 14, 2018
    Inventors: Suprotik Das, Sheenfar S. Fong, Akio Otsuka, Laurence B. Saidman
  • Patent number: 9920222
    Abstract: A system for dispensing hot melt adhesives, comprising an adhesive dispenser including a fluid passage leading to an outlet. The system further comprises a supply conduit fluidly connected to the fluid passage and a feeding mechanism configured to feed an elongate, flexible element of solid adhesive into the supply conduit. The system further comprises a first heating element positioned along at least a portion of the supply conduit to melt a portion of the elongate, flexible element being fed into the supply conduit and thereby form a supply of liquid adhesive within the supply conduit.
    Type: Grant
    Filed: November 3, 2015
    Date of Patent: March 20, 2018
    Assignee: Nordson Corporation
    Inventors: Suprotik Das, Sheenfar S. Fong, Akio Otsuka, Laurence B. Saidman
  • Publication number: 20160122592
    Abstract: A system for dispensing hot melt adhesives, comprising an adhesive dispenser including a fluid passage leading to an outlet. The system further comprises a supply conduit fluidly connected to the fluid passage and a feeding mechanism configured to feed an elongate, flexible element of solid adhesive into the supply conduit. The system further comprises a first heating element positioned along at least a portion of the supply conduit to melt a portion of the elongate, flexible element being fed into the supply conduit and thereby form a supply of liquid adhesive within the supply conduit.
    Type: Application
    Filed: November 3, 2015
    Publication date: May 5, 2016
    Inventors: Suprotik Das, Sheenfar S. Fong, Akio Otsuka, Laurence B. SAIDMAN
  • Patent number: D821469
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: June 26, 2018
    Assignee: Nordson Corporation
    Inventors: David R. Jeter, Paula E. Ruse, Sheenfar S. Fong, Mark A. Gould
  • Patent number: D897896
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 6, 2020
    Assignee: L. B. Foster Company
    Inventor: Sheenfar S. Fong