Patents Assigned to FKS Co., Ltd.
  • Liquid pipe coupling universal joint and liquid product treatment device using the same
    Patent number: 10982802
    Abstract: A pipe coupling universal joint has a first fitting portion and a second fitting portion. An edge circumference of the first or second fitting portion is separated from a reference plane by a length set to 21 to 23% of the maximum diameter length of the first or second fitting portion on the reference plane in a direction opposite to a side where a straight pipe portion is connected from the reference plane.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: April 20, 2021
    Assignee: FKS CO., LTD.
    Inventor: Yasutatsu Fujiwara
  • Liquid pipe coupling universal joint
    Patent number: D834689
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: November 27, 2018
    Assignee: FKS Co., Ltd.
    Inventor: Yasutatsu Fujiwara