US 12,130,404 B1
Buried object locator apparatus including twelve nodes
Mark S. Olsson, La Jolla, CA (US); Ray Merewether, La Jolla, CA (US); Sequoyah Aldridge, San Diego, CA (US); and Ryan B. Levin, San Diego, CA (US)
Assigned to SeeScan, Inc., San Diego, CA (US)
Filed by SeeScan, Inc., San Diego, CA (US)
Filed on Aug. 11, 2023, as Appl. No. 18/233,285.
Application 18/233,285 is a continuation of application No. 17/499,810, filed on Oct. 12, 2021, granted, now 11,782,179.
Application 17/499,810 is a continuation of application No. 16/125,768, filed on Sep. 10, 2018, granted, now 11,156,737, issued on Oct. 26, 2021.
Application 16/125,768 is a continuation of application No. 14/949,868, filed on Nov. 23, 2015, granted, now 10,078,149, issued on Sep. 18, 2018.
Application 14/949,868 is a continuation of application No. 13/469,024, filed on May 10, 2012, granted, now 9,207,350, issued on Dec. 8, 2015.
Claims priority of provisional application 61/485,078, filed on May 11, 2011.
This patent is subject to a terminal disclaimer.
Int. Cl. G01V 3/165 (2006.01); G01V 3/00 (2006.01); G01V 3/08 (2006.01); G01V 3/10 (2006.01); G01V 3/15 (2006.01)
CPC G01V 3/165 (2013.01) [G01V 3/00 (2013.01); G01V 3/081 (2013.01); G01V 3/104 (2013.01); G01V 3/15 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A buried utility locator apparatus, comprising:
a locator body; and
an antenna node including twelve antenna elements positioned about a within a spherical shaped enclosure, wherein each antenna element includes an output for providing electrical output signals corresponding to sensed magnetic fields.