Patents by Inventor Lawson Mackellar

Lawson Mackellar 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).

  • Method for connecting composite drive shaft to annular member
    Patent number: 5665187
    Abstract: A method of forming a coupling or connecting a composite drive shaft to an annular member comprising the steps of locating the shaft over the member and injecting adhesive through holes in the shaft to bond the shaft to the member.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: September 9, 1997
    Assignee: Turboflex Limited
    Inventor: Lawson Mackellar
  • Couplings
    Patent number: 5421781
    Abstract: A method of forming a coupling or connecting a composite drive shaft to an annular member comprising the steps of locating the shaft over the member and injecting adhesive through holes in the shaft to bond the shaft to the member.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: June 6, 1995
    Assignee: Turboflex Limited
    Inventor: Lawson Mackellar