Patents by Inventor Tomomitsu Furukawa

Tomomitsu Furukawa 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).

  • Distributor
    Patent number: 4964420
    Abstract: A distributor is connected through a main pipe to a discharge port or discharge ports of a lubricating apparatus. Deaerating valves of the distributor are disposed in connection with at least one of a main pipe flow passage and discharge ports of the distributor.
    Type: Grant
    Filed: November 3, 1989
    Date of Patent: October 23, 1990
    Assignee: Daido Metal Company
    Inventors: Minoru Ichikawa, Kotaro Kashiyama, Tomomitsu Furukawa
  • Lubricating device
    Patent number: 4938316
    Abstract: A lubricating device for intermittently supplying a lubricating fluid to a plurality of portions to be lubricated comprises a gear pump, a plunger pump, and an electronic control unit for controlling actuation and suspension of the gear pump. The plunger pump includes a flow passage connected to an outlet port of the gear pump, a selector valve unit connected to the flow passage, a piston unit connected to the selector valve unit and an outlet port connected to the piston unit.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: July 3, 1990
    Assignee: Daido Metal Company, Ltd.
    Inventors: Minoru Ichikawa, Kotaro Kashiyama, Tomomitsu Furukawa