Patents by Inventor Alain L. Gautier

Alain L. Gautier 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-carried apparatus for detecting and signalling the presence of a dangerous gas in an atmosphere
    Patent number: 4263588
    Abstract: Apparatus for detecting and signalling the presence of a dangerous gas in an atmosphere comprising means for detecting the gas and means for signalling when the gas content exceeds a predetermined level. Said detecting means and said signalling means are disposed in a common housing and connecting by a double-wire cable to a separate supply.
    Type: Grant
    Filed: July 25, 1979
    Date of Patent: April 21, 1981
    Assignee: Oldham France S.A.
    Inventor: Alain L. Gautier