Patents by Inventor Michel Kirch

Michel Kirch 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).

  • Patent number: 5873228
    Abstract: The present invention relates to a shredder for plants especially including a hitching device and a casing which is open downward and which is fitted with lateral skids. This casing has at least one gearbox with a substantially vertical shaft which can be driven in rotation and which carries one or more knives at its lower end. The invention is noteworthy in that the casing is connected to the hitching device by rods which are articulated to the casing and to the hitching device by axes and in that structure which allow the casing to pivot and to move with respect to the hitching device in directions transverse to the direction of forward travel are arranged between the rods and the hitching device and/or the casing.
    Type: Grant
    Filed: April 18, 1997
    Date of Patent: February 23, 1999
    Assignee: Kuhn S.A.
    Inventor: Michel Kirch
  • Patent number: 5097908
    Abstract: The farm machine 1 for working the soil comprises tools 21 each of which consists of a concave disk 47 provided with a plurality of spades 48 at its periphery. The concavity of the concave disk 47 is directed toward the forward end 12 of the rotor 16, considering the work direction 3 of the farm machine 1. A lateral stabilizing element 41 comprising at least one share 43 extends behind the rearward lateral end 11 of the frame 9 of said farm machine 1. The farm machine 1 also comprises support wheels 36, 38, one 36 of which extends in front of the forward lateral end 12 of said frame 9.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: March 24, 1992
    Assignee: Kuhn, S.A.
    Inventor: Michel Kirch
  • Patent number: 4987959
    Abstract: The farm machine 1 for working the soil comprises tools 21 each of which consists of a concave disk 47 provided with a plurality of spades 48 at its periphery. The concavity of the concave disk 47 is directed toward the forward end 12 of the rotor 16, considering the work direction 3 of the farm machine 1. A lateral stabilizing element 41 comprising at least one share 43 extends behind the rearward lateral end 11 of the frame 9 of said farm machine 1. The farm machine 1 also comprises support wheels 36, 38, one 36 of which extends in front of the forward lateral end 12 of said frame 9.
    Type: Grant
    Filed: March 7, 1988
    Date of Patent: January 29, 1991
    Assignee: Kuhn, S.A.
    Inventor: Michel Kirch
  • Patent number: 4838359
    Abstract: The farm machine includes a frame 9, a hitching structure 4, a rotor 16 supported by the frame 9, and spades 21 mounted on the rotor 16. The active parts of the spades 21 are curved. The curvature of all of the spades 21 is directed in the same direction and toward the forward end of the rotor 16, considering the work direction 3.
    Type: Grant
    Filed: November 25, 1988
    Date of Patent: June 13, 1989
    Assignee: Kuhn S. A.
    Inventor: Michel Kirch