Patents by Inventor Toshikatsu Karube

Toshikatsu Karube 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).

  • Heat exchanger
    Patent number: 5526876
    Abstract: A heat exchanger has tubes and headers, with each tube having both ends connected to the headers in fluid communication. A blockish joint of the flange connection type is attached to one header, and an inlet port and an outlet port are formed in the joint. One or two blockish connectors also of the flange connection type and fixed to ends of external pipings are connected to the joint, such that an effective core area of the heat exchanger is increased, and an operation for connecting the external pipings is rendered simpler and more efficient.
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: June 18, 1996
    Assignee: Showa Aluminum Corporation
    Inventor: Toshikatsu Karube
  • Heat exchanger
    Patent number: 5477919
    Abstract: A heat exchanger has tubes and headers, with each tube having both ends connected to the headers in fluid communication. A blockish joint of the flange connection type is attached to one header, and an inlet port and an outlet port are formed in the joint. One or two blockish connectors also of the flange connection type and fixed to ends of external pipings are connected to the joint, such that an effective core area of the heat exchanger is increased, and an operation for connecting the external pipings is rendered simpler and more efficient.
    Type: Grant
    Filed: October 7, 1993
    Date of Patent: December 26, 1995
    Assignee: Showa Aluminum Corporation
    Inventor: Toshikatsu Karube