Patents by Inventor Menno H. Van Den Oever

Menno H. Van Den Oever 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).

  • Filter change mechanism
    Patent number: 5450982
    Abstract: A filter change mechanism is disclosed. The mechanism includes a filter dispensing device, a device for releasably clamping a filter in a fluid line, a filter discharge device. Also included in the mechanism is a device for conveying a filter dispensed by the filter dispensing device to the fluid line for use in filtration and for conveying a used filter to the discharge device.
    Type: Grant
    Filed: February 16, 1994
    Date of Patent: September 19, 1995
    Inventor: Menno H. Van Den Oever