Patents by Inventor Henri Duret

Henri Duret 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).

  • Sewing machine
    Patent number: 5178083
    Abstract: A sewing machine is disclosed having an electric circuit divided into a first high-voltage section and a second low voltage section. The second section is supplied via a step-down transformer connected to the first section. The second section has a rectifier connected to the output of the transformer for dispensing DC power to the functional elements of the machine. The first circuit section, the transformer and some elements of the second section are contained in a remote housing which is separate from the machine and is linked to it by a cable. A foot pedal for actuating the machine is integral with the housing.
    Type: Grant
    Filed: June 11, 1990
    Date of Patent: January 12, 1993
    Assignee: Mefina SA
    Inventors: Henri Duret, Antonio Jimenez, Jacques Matthey, Michel Combepine