Inventor
Püttmann Franz-Josef
DE13 patents
⚠️ This page may combine multiple inventors who share the name “Püttmann Franz-Josef”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
Püttmann Franz-Josef
8 patentsUS8757931B2Jun 24, 2014
Pipe guide adapter
Püttmann Franz-Josef13 citations81
US9328560B2May 3, 2016
Ground-drilling device
Püttmann Franz-Josef3 citations70
US9016404B2Apr 28, 2015
Ram boring device
Püttmann Franz-Josef4 citations70
US8944189B2Feb 3, 2015
Rod coupling having a sacrificial element
Püttmann Franz-Josef3 citations60
US9243456B2Jan 26, 2016
Earth drilling device
Püttmann Franz-Josef0 citations47
US9206682B2Dec 8, 2015
Boring element for a ground boring device
Püttmann Franz-Josef0 citations45
US9074423B2Jul 7, 2015
Method and system for inserting a pipe into an underground borehole
Püttmann Franz-Josef0 citations39
US8967911B2Mar 3, 2015
Boring system
Püttmann Franz-Josef0 citations39
TRACTO TECHNIK
5 patentsUS9938769B2Apr 10, 2018
Ram boring device
TRACTO TECHNIK2 citations71
US11970909B2Apr 30, 2024
Drill bit of a ground drilling device with an enlargement of a receptacle for fastening an attachment thereto and method for producing same
TRACTO TECHNIK0 citations60
US10828763B2Nov 10, 2020
Percussion drilling device
TRACTO TECHNIK1 citations52
US11767716B2Sep 26, 2023
Drilling head for a percussive displacement ground drilling device and use of a drilling head for a percussive displacement ground drilling device
TRACTO TECHNIK0 citations50
US10480246B2Nov 19, 2019
Percussion boring device
TRACTO TECHNIK0 citations48