Patents by Inventor Eric S. Roller

Eric S. Roller 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: 6053302
    Abstract: Disclosed herein is a device for counting small objects which is capable of accurately and reliably counting large numbers of small objects such as pharmaceutical tablets, capsules, and the like. The device employs linear pickup tubes radially affixed to a rotating collar wherein the tubes have a vacuum applied to them during a prescribed amount of rotation of the collar about a stationary axle. During the period for which a vacuum exists at the tip of a pickup tube, an object to be counted is caused to adhere to the tube end, and is transported into a discharge chute containing an object counter.
    Type: Grant
    Filed: February 10, 1999
    Date of Patent: April 25, 2000
    Assignee: Geometric Controls Inc.
    Inventors: Chih-Jen Leu, Donald R. Pretty, Eric S. Roller, Stephen Habakus, Mark M. Magasich