Patents by Inventor Nathan Van Zweden

Nathan Van Zweden 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).

  • Patent number: 9937545
    Abstract: A mandrel support device includes a mandrel sleeve positionable on a mandrel to form a reservoir in fluid communication with a mandrel passage, and with. The sleeve may include a bore configured to receive a portion of the mandrel, a lubrication channel formed on the sleeve exterior, and a lubrication passage extending between the channel and the bore to permit fluid communication therebetween. A mandrel base may define a socket for interchangeably receiving the sleeve, and a lubrication bore may extend from the socket to the base to align with the lubrication channel when the sleeve is received in the socket. A fluid fitting mounted on the base in fluid communication with the lubrication bore and the lubrication channel of the sleeve such that fluid moving through the fluid fitting enters the bore, the channel and passage to reach the reservoir and mandrel passage at any rotational position of the sleeve with respect to the base.
    Type: Grant
    Filed: May 16, 2017
    Date of Patent: April 10, 2018
    Assignee: Kooima Company
    Inventor: Nathan Van Zweden