Patents by Inventor Paul J. O'Neil

Paul J. O'Neil 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).

  • Aerosol can recycling system
    Patent number: 5385177
    Abstract: A method for recovering propellant from used aerosol cans which includes the steps of piercing the can; removing the mixture of residual propellant and fluid product from the can; collecting the mixture and then separating the propellant from the residual fluid product.
    Type: Grant
    Filed: November 22, 1993
    Date of Patent: January 31, 1995
    Inventor: Paul J. O'Neil
  • Aerosol can propellant recovery system
    Patent number: 5322093
    Abstract: A system for recovering propellant from aerosol cans and other sources having a gaseous propellant therein, which system constitutes a separation tank in which the propellant is separated from the product it was to deliver, a compressor to both compress the propellant and introduce it into a heat exchanger which cools the propellant into a liquid which liquid can be collected in a collection chamber in communication therewith.
    Type: Grant
    Filed: September 12, 1991
    Date of Patent: June 21, 1994
    Assignee: Aervoe-Pacific Company, Inc.
    Inventor: Paul J. O'Neil