Inventor
ALLEN CHRISTOPHER T
US15 patents
⚠️ This page may combine multiple inventors who share the name “ALLEN CHRISTOPHER T”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VERMEER MFG CO
6 patentsUS5904210AMay 18, 1999
Apparatus and method for detecting a location and an orientation of an underground boring tool
VERMEER MFG CO185 citations98
US5819859AOct 13, 1998
Apparatus and method for detecting an underground structure
VERMEER MFG CO131 citations98
US5720354AFeb 24, 1998
Trenchless underground boring system with boring tool location
VERMEER MFG CO180 citations98
US7182151B2Feb 27, 2007
Apparatus and method for horizontal drilling
VERMEER MFG CO55 citations95
US6886644B2May 3, 2005
Apparatus and method for horizontal drilling
VERMEER MFG CO37 citations95
US6161630ADec 19, 2000
Apparatus and method for controlling an underground boring tool
VERMEER MFG CO64 citations95