Patents by Inventor Andrew Barker

Andrew Barker 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).

  • Bread bun mold
    Patent number: 5690019
    Abstract: A baking utensil so shaped as to mold within bread dough baked upon it one or more buns, each with a recess to retain a weiner, bratwurst, frankfurter, processed meat link, hamburger or other cooked meat product.
    Type: Grant
    Filed: December 13, 1994
    Date of Patent: November 25, 1997
    Inventors: Alonzo Andrew Barker, deceased, Lucille M. Barker, heir, Barbara Lam, heir, Lawrence Barker, heir, Cecilia Ross, heir, Phillip Barker, heir, Mark Barker, heir, Owen Barker, heir, Roy Barker, heir, Alice Romsek, heir, Walter Barker, heir, Christine Mueller, heir, Leo J. Barker, heir
  • Porous PTFE structures
    Patent number: 5677031
    Abstract: A porous polytetrafluoroethylene (PTFE) structure particularly for use as a liquid filter comprises particles of granular-type PTFE fused together to form a porous integral network. The structure is formed by spraying an aqueous suspension of granular PTFE particles and baking at a temperature of 335.degree.-350.degree. C. Typically the specific gravity is 0.8 to 1.54. The crystallinity is less than 95%. The structure may be supported on a perforate substrate such as stainless steel mesh.
    Type: Grant
    Filed: May 2, 1995
    Date of Patent: October 14, 1997
    Assignee: W. L. Gore & Associates, Inc.
    Inventors: Andrew Miller Allan, Brian Andrew Barker
  • Candle holder
    Patent number: D455506
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: April 9, 2002
    Inventor: Andrew Barker