Patents by Inventor Carmen Onofrio

Carmen Onofrio 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).

  • Air-filter purger for internal combustion engines
    Patent number: 4213437
    Abstract: A device for overcoming the problem of restarting an internal engine while it is still hot, in which means are provided for blowing air into the air filter of the engine each time it is restarted in order to purge the filter of non-combustible gases trapped inside the filter which prevent the engine from starting immediately.
    Type: Grant
    Filed: November 20, 1978
    Date of Patent: July 22, 1980
    Inventor: Carmen Onofrio