Patents by Inventor Bernard Doucet

Bernard Doucet 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).

  • Method and a machine for repairing a ground area planted with grass for example a turfed racecourse or equestrian training ground
    Patent number: 5464066
    Abstract: A method and apparatus for filling holes which have been made in the ground, by causing a machine which includes a rotary rake at its extreme front end to pass over the ground. In the case in which the ground area planted with grass is a racecourse or equestrian training ground, the machine is preferably driven over the course in a direction opposite to the direction in which the horses have been moving, the rotary rake being driven so as to rotate with a forward velocity tangential to the ground. The machine also includes a soil consolidating device disposed behind the rotary rake to tamp the soil which is replaced in the holes by the rake so that the soil will remain in place.
    Type: Grant
    Filed: March 10, 1993
    Date of Patent: November 7, 1995
    Assignee: Doucet Freres
    Inventor: Bernard Doucet
  • High-pressure sodium-vapor discharge lamp
    Patent number: 4009408
    Abstract: An improved high-pressure sodium-vapor discharge lamp of the type having an internal starting aid wherein the starting aid comprises an auxiliary electrode formed of a long resistive spiral made of a refractory metal having an electrical resistance range from a few ohms to a few thousand ohms.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: February 22, 1977
    Assignee: ITT Industries, Inc.
    Inventors: Nhiep Nguyen Dat, Maurice Bensoussan, Bernard Doucet