Patents by Inventor Allen Egbert

Allen Egbert 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).

  • Pneumatic carrier matrix interchange
    Patent number: 5165826
    Abstract: A device for directing or switching pneumatically sealed tubes for transporting carriers from one receive/send station to another in a pneumatic system. The matrix configuration enables directional changes to single or multiple paths with the use of fewer diverting stations. The pressure and vacuum system is controlled at the line tubes by standard check valves and other pneumatic system devices.
    Type: Grant
    Filed: January 9, 1991
    Date of Patent: November 24, 1992
    Inventor: Allen Egbert