Patents by Inventor Stellios Anthony Avramidis

Stellios Anthony Avramidis 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).

  • Piggyback belt drive assembly
    Patent number: 3965764
    Abstract: There is disclosed a belt drive system in which a first belt is trained over a drive pulley and a driven pulley. A second belt is mounted over the first belt on the drive pulley and is trained over two other driven pulleys. The first belt has an outer surface with alternate longitudinally extending ridges and grooves and the second belt has an inner surface with alternate longitudinally extending grooves and ridges for mating engagement with the first belt at the drive pulley. The two driven pulleys which receive the second belt have circumferential ridges and grooves for mating engagement with the second belt.
    Type: Grant
    Filed: July 5, 1974
    Date of Patent: June 29, 1976
    Assignee: FMC Corporation
    Inventor: Stellios Anthony Avramidis