Inventor
BALVE GERHARD
DE9 patents
⚠️ This page may combine multiple inventors who share the name “BALVE GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TRACTO TECHNIK
8 patentsUS6244783B1Jun 12, 2001
Widening apparatus
TRACTO TECHNIK30 citations91
US5954145ASep 21, 1999
Reversible percussion piston drill apparatus
TRACTO TECHNIK11 citations73
US5960892AOct 5, 1999
Automatically driven pile driver drilling device
TRACTO TECHNIK13 citations72
US7874382B2Jan 25, 2011
Pneumatically reversible ram boring device
TRACTO TECHNIK6 citations61
US6406215B1Jun 18, 2002
Positive connection between a pipe and a ring inserted into the pipe
TRACTO TECHNIK5 citations61
US6267187B1Jul 31, 2001
Boring apparatus with coupling for rapid connection of drill string segments
TRACTO TECHNIK6 citations61
US11634949B2Apr 25, 2023
Percussion boring device and method for reversing a percussion boring device
TRACTO TECHNIK0 citations48
US10480246B2Nov 19, 2019
Percussion boring device
TRACTO TECHNIK0 citations48