Patents Assigned to Custom Manufacturing, Inc.
  • Portable bridge footings and abutments
    Patent number: 6421863
    Abstract: A portable bridge footing and abutment for supporting bridge decks on soils of insufficient bearing capacity or high water tables or both. The bridge footing includes a riser having a bearing plate, a vertical restraint, and at least one leg that all rise and fall with freeze/thaw cycles or in high water conditions. Further, the riser is designed to accommodate water flow under the bridge.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: July 23, 2002
    Assignee: Custom Manufacturing, Inc.
    Inventor: Clarence V. Tiffany