Patents by Inventor Fu-Tung Lin

Fu-Tung Lin 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: 5241427
    Abstract: A message door lock includes a trigger switch for trigging a playing operation of a recorder and player operatively recorded for leaving a message in the recorder formed on a door lock, an actuator of the trigger switch mounted on a thumbturn or doorlock spindle having an insulator flange normally interrupting the trigger switch from a circuit of the recorder and player and having a pair of notches diagonally recessed in the flange, whereby upon a rotation of the thumbturn inside a door or unlocking the doorlock outside the door, the flange of the actuator is rotated to match the notch in the flange with the trigger switch for resiliently contacting the trigger switch with the contact of the recorder and player circuit for playing the message already recorded in the recorder whenever rotating the thumbturn or unlocking the doorlock for a convenient and safe messaging purpose.
    Type: Grant
    Filed: August 19, 1991
    Date of Patent: August 31, 1993
    Inventor: Fu-Tung Lin
  • Patent number: 5148832
    Abstract: A faucet includes a spout having a shaft portion protruding inwardly from the spout to be rotatably engaged with a boss of the faucet; and two packing members disposed on two opposite sides of the boss having an outer packing member rotatably sealed between an annular shoulder portion of the spout and an outer seat portion of the boss, and having an inner packing member resiliently retained on an inner seat portion of the boss by a tensioning spring jacketed on the shaft portion which is protruded into an interior in the boss, thereby providing a resilient packing between the spout and the faucet for a smooth rotation of the spout for prolonging a service life of the packing members and the spout.
    Type: Grant
    Filed: October 28, 1991
    Date of Patent: September 22, 1992
    Inventor: Fu-Tung Lin
  • Patent number: 5072757
    Abstract: A faucet includes a spout rotatably mounted in the faucet having a nozzle formed on an outlet portion of the spout defining a nozzle axis generally perpendicular to a longitudinal axis about which longitudinal axis the spout is rotatably secured to a coupling portion formed on the faucet so that upon a rotation of the spout, a water-spraying angle can be optionally adjusted for multiple washing and drinking purposes.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: December 17, 1991
    Inventor: Fu-Tung Lin