Patents by Inventor Frederick J. Oko

Frederick J. Oko 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).

  • Submersible pump cable test method
    Patent number: 5440235
    Abstract: A plug for insulating electrical contacts of a male connector has a connector engaging portion for snugly coupling the plug to the connector and a head portion extending from the connector engaging portion. Bores extend axially through the connector engaging portion and only partially through the head portion, and snugly receive the contacts.
    Type: Grant
    Filed: March 3, 1994
    Date of Patent: August 8, 1995
    Assignee: Hubbell Incorporated
    Inventor: Frederick J. Oko
  • Submersible pump pothead test plug
    Patent number: 5338213
    Abstract: A plug for insulating electrical contacts of a male connector has a connector engaging portion for snugly coupling the plug to the connector and a head portion extending from the connector engaging portion. Bores extend axially through the connector engaging portion and only partially through the head portion, and snugly receive the contacts.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: August 16, 1994
    Assignee: Hubbell Incorporated
    Inventor: Frederick J. Oko