Patents by Inventor Paul A. Freeman

Paul A. Freeman 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).

  • Plant for the production of alkylated resins
    Patent number: 5075083
    Abstract: In plant for the production of alkylated resins from an alcohol of boiling point greater than 100.degree. C. at atmospheric pressure, comprising an alkylation reactor, a distillation column, a condenser, and a separator, structure is provided to ensure that contact between descending alcohol-rich liquid phase and the vapor stream of alcohol and water ascending from the reactor is confined essentially to the walls of the column.
    Type: Grant
    Filed: September 26, 1989
    Date of Patent: December 24, 1991
    Assignee: BIP Chemicals Limited
    Inventors: Keith A. May, Paul A. Freeman
  • Temperature transmitter housing
    Patent number: D366218
    Type: Grant
    Filed: December 23, 1994
    Date of Patent: January 16, 1996
    Assignee: Rosemount Inc.
    Inventors: Timothy D. Price, Paul A. Freeman