Patents by Inventor Domingos Scalabrin

Domingos Scalabrin 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).

  • Exhaust valve
    Patent number: 3949781
    Abstract: An exhaust valve, in pressure cooker lids, comprises a vertical tube on which a suitable weight is applied provided with several steam exhaust points which is provided on its free edge with an external thread where the weight is screwed, leaving a free internal space forming a chamber into which the exhaust holes for the steam open, and having on the upper part, a coaxial projection which may penetrate into the internal part of the exhaust or exit tube of the valve.
    Type: Grant
    Filed: July 5, 1974
    Date of Patent: April 13, 1976
    Assignee: Alcan Aluminio Do Brasil S.A.
    Inventor: Domingos Scalabrin