Patents by Inventor Andrew Edwin Simpson

Andrew Edwin Simpson 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).

  • Coupling between cement mixing chamber and stand
    Patent number: D500506
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: January 4, 2005
    Assignee: Belle Engineering (Sheen) Limited
    Inventors: Andrew Edwin Simpson, Martin James Hall
  • Control arm for cement mixer
    Patent number: D500771
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: January 11, 2005
    Assignee: Belle Engineering (Sheen) Limited
    Inventors: Andrew Edwin Simpson, Martin James Hall
  • Cement mixer assembly
    Patent number: D504135
    Type: Grant
    Filed: January 14, 2004
    Date of Patent: April 19, 2005
    Assignee: Belle Engineering (Sheen) Limited
    Inventors: Andrew Edwin Simpson, Martin James Hall