Patents by Inventor Mark Frog Harris

Mark Frog Harris 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).

  • Underground conveyance protection device and method
    Patent number: 6702518
    Abstract: Disclosed above are a device and method for protecting underground conveyances, wherein the device comprises a carrier containing fill material and, optionally, comprising a web material reinforcing the carrier. The device is oriented over an underground conveyance above a given amount of backfill so that it is detected and encountered by an excavator before the underground conveyance is damaged. In one embodiment, the device is preferably retrieved or brought to view when the webbing is snagged on the teeth of the excavating equipment.
    Type: Grant
    Filed: December 29, 2000
    Date of Patent: March 9, 2004
    Inventor: Mark Frog Harris
  • Underground conveyance protection device and method
    Publication number: 20020085884
    Abstract: Disclosed above are a device and method for protecting underground conveyances, wherein said device comprises a carrier containing fill material and, optionally, comprising a web material reinforcing said carrier. The device is oriented over an underground conveyance above a given amount of backfill so that it is detected and encountered by an excavator before the underground conveyance is damaged. In one embodiment, the device is preferably retrieved or brought to view by means of the webbing being snagged on the teeth of the excavating equipment.
    Type: Application
    Filed: December 29, 2000
    Publication date: July 4, 2002
    Inventor: Mark Frog Harris