Assignee
Püttmann Franz-Josef
DE·8 granted patents·23 citations·filing 2004–2011
Top patents by PatentIndex Score
8 records- 0172US9016404B2Ram boring devicePüttmann Franz-Josef·Filed 2010·Granted Apr 28, 2015·4 cites·15 claims
- 0268US9328560B2Ground-drilling devicePüttmann Franz-Josef·Filed 2011·Granted May 3, 2016·3 cites·12 claims
- 0367US8757931B2Pipe guide adapterPüttmann Franz-Josef·Filed 2004·Granted Jun 24, 2014·13 cites·13 claims
- 0452US8944189B2Rod coupling having a sacrificial elementPüttmann Franz-Josef·Filed 2008·Granted Feb 3, 2015·3 cites·13 claims
- 0543US9074423B2Method and system for inserting a pipe into an underground boreholePüttmann Franz-Josef·Filed 2010·Granted Jul 7, 2015·0 cites·13 claims
- 0641US8967911B2Boring systemPüttmann Franz-Josef·Filed 2008·Granted Mar 3, 2015·0 cites·10 claims
- 0737US9206682B2Boring element for a ground boring devicePüttmann Franz-Josef·Filed 2010·Granted Dec 8, 2015·0 cites·10 claims
- 0836US9243456B2Earth drilling devicePüttmann Franz-Josef·Filed 2010·Granted Jan 26, 2016·0 cites·12 claims
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