Patents by Inventor Norb A. Heban, Jr.

Norb A. Heban, Jr. 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).

  • Piston
    Patent number: 4805518
    Abstract: A crosshead piston 10 comprises a head member 18 and a skirt member 20, each of which can be secured independently to a piston pin 14. The skirt 20 has a reduced diameter upper end portion 66 which fits within lower end 24 of the head member ring belt portion 23, thereby exposing maximum head member surface area to a cylinder or cylinder sleeve wall for cooling. Preferably, the skirt end portion 66 defines a seal groove 32 which contains a metal ring 67 for sealing the gap 62 between the head member and skirt member.
    Type: Grant
    Filed: April 27, 1984
    Date of Patent: February 21, 1989
    Assignee: Dana Corporation
    Inventor: Norb A. Heban, Jr.