Patents by Inventor Yun Hyang-Seok

Yun Hyang-Seok 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).

  • CLEANING APPARATUS FOR ESCALATOR RAILS
    Publication number: 20100257689
    Abstract: An exemplary cleaning apparatus (100) for escalator rails includes an insertion receiver (110) installed in a separation space between step chain rollers (3a). At least one cleaning belt (120) extends from the insertion receiver (110), for at least partially wrapping around the step chain rollers (3a). A retaining fixture (130) secures ends of the at least one cleaning belt (120) in a fixed position relative to the insertion receiver (110).
    Type: Application
    Filed: January 15, 2009
    Publication date: October 14, 2010
    Inventor: Yun Hyang-Seok