Patents Assigned to 844426 Alberta Ltd.
  • Welder's windguard
    Patent number: 6161590
    Abstract: A portable windguard for use on a pipe to shield a weld being applied from wind comprising a collar, a Velcro.TM. belt for attaching and securing the collar to the pipe and a shield extending generally perpendicularly from the collar. The shield can be collapsible, hence readily transportable from site to site.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: December 19, 2000
    Assignee: 844426 Alberta Ltd.
    Inventor: Darwin Wulff