Patents by Inventor Michael Ladney

Michael Ladney 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).

  • Injection molding system utilizing primary and secondary resin flow paths
    Patent number: 5556650
    Abstract: A system for injection molding a hollow plastic article utilizing a secondary resin flow path which communicates one portion of an article-defining cavity with a second portion of the article-defining cavity. The second portion of the article-defining cavity is typically the hardest-to-fill area of the article-defining cavity. The secondary resin flow path is outside of the article-defining cavity and the normal flow of plastic resin.
    Type: Grant
    Filed: March 10, 1995
    Date of Patent: September 17, 1996
    Assignee: Melea Limited
    Inventor: Michael Ladney
  • Injection molding method utilizing primary and secondary resin flow paths
    Patent number: 5417916
    Abstract: A method and system for injection molding a hollow plastic article utilizing a secondary resin flow path which communicates one portion of an article-defining cavity with a second portion of the article-defining cavity. The second portion of the article-defining cavity is typically the hardest-to-fill area of the article-defining cavity. The secondary resin flow path is outside of the article-defining cavity and the normal flow of plastic resin.
    Type: Grant
    Filed: January 18, 1994
    Date of Patent: May 23, 1995
    Assignee: Melea Limited
    Inventor: Michael Ladney
  • Plastic trash can
    Patent number: D311982
    Type: Grant
    Filed: March 14, 1988
    Date of Patent: November 6, 1990
    Inventor: Michael Ladney