Patents by Inventor Trevor MacFarlane

Trevor MacFarlane 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).

  • Patent number: 5842496
    Abstract: A hot tap connection comprising: (i) a main supply pipe, (ii) a side branch pipe connected to the main supply pipe, (iii) a reinforcing saddle surrounding the main supply pipe and the side branch pipe, (iv) a first gap between the main supply pipe and the reinforcing saddle, (v) a second gap between the side branch pipe and the reinforcing saddle, and (vi) a solid material substantially filling the first gap and the second gap. The method for producing the hot tap connection is also described.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: December 1, 1998
    Assignee: TransCanada Pipelines Limited
    Inventors: Joseph Delanty, Burke Delanty, Trevor MacFarlane