Ronaldus R. M. Roling

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Rosmalen, NL

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Patents Grantslast 30 patents

Information Patent Grant
Pipe running tool having a cement path
- Patent number 7,510,006
- Issue date Mar 31, 2009
- Varco I/P, Inc.
- Daniel Juhasz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Non-seize material attachment for a drill slip system
- Patent number 6,915,857
- Issue date Jul 12, 2005
- Varco I/P. Inc.
- Johannes Wilhelmus Henricus van Rijzingen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Iron roughneck
- Patent number 6,776,070
- Issue date Aug 17, 2004
- Varco I/P, Inc.
- David B. Mason
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Pipe running tool having a cement path
- Publication number 20060124305
- Publication date Jun 15, 2006
- Daniel Juhasz
- E21 - EARTH DRILLING MINING
Information Patent Application
Non-seize material attachment for a drill slip system
- Publication number 20040188097
- Publication date Sep 30, 2004
- Johannes Wilhelmus Henricus van Rijzingen
- E21 - EARTH DRILLING MINING