Patents by Inventor Christophe Espanel

Christophe Espanel 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: 6527496
    Abstract: A loader boom has arms constructed as tubes that are rectangular in cross section and taper from a bracket for mounting the arms to a tractor. The tubes are each formed by bending a blank of steel material so as to create four 90° corners with opposite ends of the blank extending parallel to each other and forming a gap along, and in the center of, an under side of the tube. A reinforcing bar is located in the gap and secured to the tube by fillet welds.
    Type: Grant
    Filed: May 2, 2001
    Date of Patent: March 4, 2003
    Assignee: Deere & Company
    Inventors: Christophe Espanel, Cyrille Vittet
  • Publication number: 20010038789
    Abstract: A loader boom has arms constructed as tubes that are rectangular in cross section and taper from a bracket for mounting the arms to a tractor. The tubes are each formed by bending a blank of steel material so as to create four 90° corners with opposite ends of the blank extending parallel to each other and forming a gap along, and in the center of, an under side of the tube. A reinforcing bar is located in the gap and secured to the tube by fillet welds.
    Type: Application
    Filed: May 2, 2001
    Publication date: November 8, 2001
    Applicant: Deere & Company, a Delawre corporation
    Inventors: Christophe Espanel, Cyrille Vittet