Patents by Inventor Arthur L. Malenfant

Arthur L. Malenfant 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: 4932629
    Abstract: A clamping device for controlling liquid flow in a length of flexible tubing; the device includes a generally planar support having a keyhole, an annular flexible sleeve seated in the keyhole for receiving the tubing in an orientation generally perpendicular to the planar support, and a mechanism for moving the flexible sleeve between the larger side of the keyhole and the smaller side of the keyhole to cause pinching of the tubing to control liquid flow.
    Type: Grant
    Filed: September 18, 1989
    Date of Patent: June 12, 1990
    Assignee: Nova Biomedical Corporation
    Inventors: Guy F. Rodomista, Michael J. Monahan, Arthur L. Malenfant