Patents Assigned to MPT Services, Inc.
  • Patent number: 5380131
    Abstract: A system of corrosion protection and a method of applying the protection on items to be used or being used in marine environments and otherwise susceptible to the deleterious effects of erosion and/or corrosion. The protection is comprised of a coating formed of a polyamine converter and an epoxy resin that can be applied either to virgin metal or to pre-existing metallic items immersed below sea level and a rigid cladding such as fiberglass reinforced pipe encapsulating the coating. Where on site restoration of an item is to be performed, some or all of the coating and cladding application can be conducted underwater by preceding the applications with an abrasive blasting of the surface to be protected.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: January 10, 1995
    Assignee: MPT Services, Inc.
    Inventor: David W. Crawford
  • Patent number: 5087154
    Abstract: An epoxy coating composition, a coating and a method of applying the coating composition to items to be used or being used in marine environments and otherwise susceptible to the deleterious effects of erosion and/or corrosion. The coating composition is comprised of a polyamine converter and an epoxy resin that can be applied either to virgin metal or to preexisting metallic items immersed below sea level. The coating in either situation is comprised of a plurality of layers of the epoxy composition sequentially applied about the affected surface area of the item with a wrap of vitrified cloth disposed intervening between juxtaposed of said layers. Where on site restoration of an item is to be performed, some or all of the layer applications can be conducted underwater by preceding application of the coating with an abrasive blasting of the surface to be coated.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: February 11, 1992
    Assignee: MPT Services, Inc.
    Inventor: David W. Crawford