Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Device for early detection of underground utilities during excavation and method of using the same










Image Number 2 for United States Patent #6371692.

A device for ground burial with an underground utility line or element and useful for early detection of the underground utility line or element during the excavation. The device has at least one sheet of non-conductive material, indicia on the sheet forming a cautionary message indicating the presence of an underground utility line or element, and at least one support element for vertically positioning the device in the ground. Further, a method for early detection of a underground utility line or element during excavation. The method includes burying at least one of the above-described devices in the ground along a side of an underground utility line or element so that the device is positioned vertically in the ground and extends up toward the surface of the ground from the underground level of the underground utility line or element.








 
 
  Recently Added Patents
Image processing apparatus capable of using replacement component, image forming apparatus capable of using replacement component, and method of administrating replacement component
Air-fuel ratio control apparatus for an internal combustion engine
Mobile target system
Recording apparatus, recording method, reproducing apparatus, reproducing method, program, and recording/producing apparatus
Vaccine composition against Streptococcus pyogenes
Communication network management system, method and program, and management computer
Fluorine-free fused ring heteroaromatic photoacid generators and resist compositions containing the same
  Randomly Featured Patents
Robot
Methods of fabricating optical elements on substrates and related devices
Integrated hydraulic system
Spatula
Solid phase bonding method
Valved piston arrangement for an electric motor driven air compressor
Electrolysis cell
Method for the display of information
Stabilization of red phosphorus
Pharmaceutical compositions comprising cyclosporins