Patents by Inventor Ralph Torgardh

Ralph Torgardh 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).

  • Coupling arrangement for pressurized medium lines
    Patent number: 4707000
    Abstract: A coupling arrangement comprising first and second telescoping connecting components which, when telescopingly engaged, are locked by a locking device attached to one of the components and introduced into a first recess in the other component to place the coupling in a first locking position with incomplete sealing and then into a fully connected, locked and sealed position with the locking device introduced into a second recess in the other component.
    Type: Grant
    Filed: December 20, 1985
    Date of Patent: November 17, 1987
    Assignee: AB Volvo
    Inventor: Ralph Torgardh