Patents by Inventor Barry L. Riddle

Barry L. Riddle 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).

  • Methods for enhancing the thermal quenching of a metal surface
    Patent number: 4969959
    Abstract: A method for enhancing the thermal quenching of a metal surface comprises treating the metal surface with a complex phosphate acid ester. The metal surface is simultaneously or subsequently treated with a thermal quenching fluid. The method is particularly adapted for use in thermal quenching of aluminum and aluminum alloy surfaces.
    Type: Grant
    Filed: July 31, 1989
    Date of Patent: November 13, 1990
    Assignee: Reynolds Metals Company
    Inventors: Joseph M. Marr, Barry L. Riddle
  • Aqueous metal working lubricant containing a complex phosphate ester
    Patent number: 4758359
    Abstract: Metal working lubricants consisting essentially of water and complex organic phosphate esters are disclosed. These compositions offer simplified compositions while maintaining the desired properties of more complex systems.
    Type: Grant
    Filed: September 23, 1987
    Date of Patent: July 19, 1988
    Assignee: Reynolds Metals Company
    Inventors: Thomas E. Kirk, Barry L. Riddle
  • Microemulsion lubricant
    Patent number: 4654155
    Abstract: An improved water-emulsifiable metal-working lubricant is disclosed which consists essentially of water, a complex organic phosphate ester, an amine, a polyoxyalkylated animal or vegetable oil product, one or more polyol and/or polyalkylene glycol esters and a polyalkylene glycol polymer.
    Type: Grant
    Filed: February 7, 1986
    Date of Patent: March 31, 1987
    Assignee: Reynolds Metals Company
    Inventors: Egbert M. Kipp, Barry L. Riddle
  • Water soluble lubricant
    Patent number: 4636321
    Abstract: An improved water soluble metal working lubricant concentrate is disclosed. The lubricant concentrate consists essentially of a polyalkylene glycol polymer, an ethoxylated carboxylic acid or alcohol, a complex organic phosphate ester, an alkanolamine and water.
    Type: Grant
    Filed: January 27, 1986
    Date of Patent: January 13, 1987
    Assignee: Reynolds Metals Company
    Inventors: Egbert M. Kipp, Thomas E. Kirk, Barry L. Riddle