Assignee
TRACTO TECHNIK
US109 patents
Top patents by PatentIndex Score
US4732222AMar 22, 1988
Ram boring machine with impact blade piston
TRACTO TECHNIK51 citations96
US5937954AAug 17, 1999
Method for directional drilling
TRACTO TECHNIK56 citations95
US7172370B2Feb 6, 2007
Cutting system, device, and method for splitting pipes
TRACTO TECHNIK28 citations93
US4018290AApr 19, 1977
Hydraulically driven vibrator
TRACTO TECHNIK37 citations93
US6340270B2Jan 22, 2002
Apparatus and method for the longitudinal splitting of pipes laid underground
TRACTO TECHNIK36 citations92
US6199643B1Mar 13, 2001
Method and apparatus for directional boring
TRACTO TECHNIK20 citations92
US6142244ANov 7, 2000
Percussion boring machine with run monitoring
TRACTO TECHNIK18 citations92
US5876152AMar 2, 1999
Ramming drill for destructive replacement of buried pipelines
TRACTO TECHNIK43 citations92
US5289887AMar 1, 1994
Method of operating an earth boring machine
TRACTO TECHNIK26 citations92
US5127481AJul 7, 1992
Percussion boring machine for destructive replacement of buried pipelines
TRACTO TECHNIK46 citations92
US7111695B2Sep 26, 2006
Pneumatic rock-boring device and method for horizontal drilling using compressed air and drilling medium
TRACTO TECHNIK16 citations91
US7093671B2Aug 22, 2006
Pneumatic rock-boring device and method for starting such a device
TRACTO TECHNIK19 citations91
US6244783B1Jun 12, 2001
Widening apparatus
TRACTO TECHNIK30 citations91
US5833015ANov 10, 1998
Method and apparatus for sinking pipes or cables into a pilot borehole
TRACTO TECHNIK37 citations90
US5010965AApr 30, 1991
Self-propelled ram boring machine
TRACTO TECHNIK114 citations90
US7824130B2Nov 2, 2010
Apparatus and method for joining a pipe conduit to a drilling device, expanding device or pull-in device
TRACTO TECHNIK22 citations89
US5954209ASep 21, 1999
Boring rod magazine
TRACTO TECHNIK24 citations89
US5795991AAug 18, 1998
Arrangement of an impact-sensitive device in a housing
TRACTO TECHNIK46 citations89
US5895176AApr 20, 1999
Device for connecting a pipeline conduit to a ground-boring machine
TRACTO TECHNIK26 citations86
US7938205B2May 10, 2011
Boring head method and boring head for a ground boring device
TRACTO TECHNIK8 citations84
US7726028B2Jun 1, 2010
Cutting device for pipelines
TRACTO TECHNIK10 citations82
US7575071B2Aug 18, 2009
Continuous mixing system
TRACTO TECHNIK11 citations82
US5980157ANov 9, 1999
Ground-boring machine
TRACTO TECHNIK25 citations80
US7954565B2Jun 7, 2011
Thread retention for an earth boring device
TRACTO TECHNIK5 citations74
US7270197B2Sep 18, 2007
Steerable soil displacement hammer
TRACTO TECHNIK9 citations74
US7093677B2Aug 22, 2006
Percussion drill head
TRACTO TECHNIK8 citations74
US6644887B2Nov 11, 2003
Device for connecting a towed pipe to a towing apparatus
TRACTO TECHNIK11 citations74
US6491476B2Dec 10, 2002
Method and apparatus for the trenchless laying of pipework underground
TRACTO TECHNIK9 citations74
US6371220B1Apr 16, 2002
Pneumatically reversible ram drilling tool
TRACTO TECHNIK10 citations74
US5558167ASep 24, 1996
Percussion boring machine
TRACTO TECHNIK7 citations74
US5234061AAug 10, 1993
Percussion machine, for example self-propelled ram boring machine
TRACTO TECHNIK8 citations74
US3970157AJul 20, 1976
Ram-borer apparatus
TRACTO TECHNIK10 citations74
USD967038SOct 18, 2022
Remote control
TRACTO TECHNIK2 citations73
US6969222B1Nov 29, 2005
Device for transferring rods
TRACTO TECHNIK8 citations73
US5954145ASep 21, 1999
Reversible percussion piston drill apparatus
TRACTO TECHNIK11 citations73
US6364036B1Apr 2, 2002
Automatic rod assembly
TRACTO TECHNIK11 citations72
US5960892AOct 5, 1999
Automatically driven pile driver drilling device
TRACTO TECHNIK13 citations72
US5924500AJul 20, 1999
Steerable boring machine
TRACTO TECHNIK11 citations72
US9938769B2Apr 10, 2018
Ram boring device
TRACTO TECHNIK2 citations71
US11199059B2Dec 14, 2021
Ground drilling device and use of a ground drilling device
TRACTO TECHNIK3 citations68
US6238141B1May 29, 2001
Apparatus for static underground drilling
TRACTO TECHNIK8 citations67
USD1013736SFeb 6, 2024
Construction machine
TRACTO TECHNIK0 citations63
US11203905B2Dec 21, 2021
Drill string section for drilling in the ground, ground drilling device, and use of a drill string section
TRACTO TECHNIK0 citations63
US6352128B1Mar 5, 2002
Steered-head ram drilling tool
TRACTO TECHNIK3 citations63
US5975221ANov 2, 1999
Machine for horizontal percussion boring
TRACTO TECHNIK3 citations63
US5937956AAug 17, 1999
Ram boring machine
TRACTO TECHNIK4 citations63
US5692576ADec 2, 1997
Locating device for percussion boring machines
TRACTO TECHNIK4 citations63
US11566512B2Jan 31, 2023
Method for determining wear on a linkage of a ground drilling device
TRACTO TECHNIK0 citations62
US11092001B2Aug 17, 2021
Locating a drill head of a ground drilling device
TRACTO TECHNIK0 citations62
US9303471B2Apr 5, 2016
Rod magazine
TRACTO TECHNIK3 citations62
Showing the top 50 of 109 patents by PatentIndex Score.