Patents by Inventor Alfred G. Baker

Alfred G. Baker 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).

  • Process for producing hollow, bilayered silicate microspheres
    Patent number: 4549892
    Abstract: This invention relates to a process for producing a hollow microsphere wherein the inner portion of the shell of which comprises the reaction product of a silicate and a first insolubilizing agent, the outer portion of the shell of which comprises the reaction product of a silicate and a second insolubilizing agent and wherein the equivalent ratio of silicate to, respectively, the first and second insolubilizing agent is less in respect of said inner portion than said outer portion.
    Type: Grant
    Filed: May 23, 1983
    Date of Patent: October 29, 1985
    Inventors: Alfred G. Baker, Andrew J. Baker
  • Storing and mixing apparatus
    Patent number: 4341302
    Abstract: A package comprising an integral tray and separable tool or paddle for delivering material components from one depression of the tray to another and for subsequently mixing them prior to their use. It is designed for storing component materials in a multiple component system, such as a thermosetting resin system. Material is accurately transferred from one depression to the other by the associated tool. The interior surfaces of the depressions are complementary to the configuration of the intersecting edges of the tool or paddle.
    Type: Grant
    Filed: October 15, 1980
    Date of Patent: July 27, 1982
    Assignee: United Fillers Pty. Ltd.
    Inventors: Andrew J. Baker, Alfred G. Baker