Inventor

VÖLKEL GERHARD

DE7 patents

⚠️ This page may combine multiple inventors who share the name “VÖLKEL GERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TRACTO TECHNIK

4 patents

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

US10487591B2Nov 26, 2019

Carriage for a displacement hammer for positioning the displacement hammer in a launch pit, drilling system with a displacement hammer and a carriage for positioning the displacement hammer in a launch pit and a method for positioning a displacement hammer in a launch pit

TRACTO TECHNIK0 citations40

US10227834B2Mar 12, 2019

Drive of an earth drilling device, earth drilling device, and a method for driving an earth drilling device

TRACTO TECHNIK0 citations36

Püttmann Franz-Josef

2 patents

US9243456B2Jan 26, 2016

Earth drilling device

Püttmann Franz-Josef0 citations47

US9206682B2Dec 8, 2015

Boring element for a ground boring device

Püttmann Franz-Josef0 citations45

VÖLKEL GERHARD

1 patent

US9151151B2Oct 6, 2015

Method for localizing a drilling device of an earth drilling apparatus

VÖLKEL GERHARD0 citations39