Patents by Inventor Marcel Torre

Marcel Torre 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 speed control for an electric sewing machine
    Patent number: 4261273
    Abstract: A motor controller for an electric sewing machine mounted in a removable portion of the housing of the machine. The controller is actuatable by a pneumatic switch which successively closes a plurality of contacts as the air pressure to the switch is increased to enable the speed of the motor to be increased smoothly and gradually without sparking at the contacts.
    Type: Grant
    Filed: December 21, 1977
    Date of Patent: April 14, 1981
    Assignee: Mefina S.A.
    Inventors: Jacques Matthey, Marcel Torre
  • Control circuit for a direct current motor
    Patent number: 4236103
    Abstract: A control circuit for a direct current electric motor including a rectifying bridge for supplying the motor with direct current and a regulating circuit including a triac, the energizing angle of which is determined by a capacitor connected in series with a resistance network. An energy limiting circuit is provided including a resistance connectable in series with the resistance network and the capacitor when the voltage exceeds a predetermined value so that the motor can be operated on a 110 V or a 220 V supply.
    Type: Grant
    Filed: November 21, 1978
    Date of Patent: November 25, 1980
    Assignee: Mefina S.A.
    Inventors: Jacques Matthey, Marcel Torre, Andre D. Millenet