Patents by Inventor Jean Gessalin

Jean Gessalin 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).

  • Helmet fastening device
    Patent number: 4641382
    Abstract: A fastening device for protective helmets for motorcyclists and other helmet wearers includes a journalled front chin strap which is integrated with a rear arch. The chin strap pivots on two fixed points located inside of the helmet. The arch also pivots around fixed points inside of the helmet so that the chin strap and arch move synchronously. The means for synchronization includes two fingers located inside the chin strap which engage the rear arch.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: February 10, 1987
    Inventor: Jean Gessalin
  • Safety helmet with a shell injected from thermoplastics and method for the manufacture of said helmet
    Patent number: 4466138
    Abstract: The invention relates to a safety helmet having an injected thermoplastics shell, and the method for manufacturing the same. The helmet shell is of composite structure and includes a rigid insert of reinforced resin and an outer casing of injected thermoplastics molded onto the insert which is embedded within the mass of said outer casing and is prestressed by shoulders 5 and 6 provided on overlapping portions 3 and 4 of casing 2, after cooling of the same.
    Type: Grant
    Filed: June 22, 1981
    Date of Patent: August 21, 1984
    Assignee: G.P.A. International
    Inventor: Jean Gessalin