Invention Grant
- Patent Title: Earth drilling device
- Patent Title (中): 地球钻孔装置
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Application No.: US13254562Application Date: 2010-03-03
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Publication No.: US09243456B2Publication Date: 2016-01-26
- Inventor: Franz-Josef Püttmann , Gerhard Völkel , Peter Grass , Meinolf Rameil
- Applicant: Franz-Josef Püttmann , Gerhard Völkel , Peter Grass , Meinolf Rameil
- Applicant Address: DE Lennestadt
- Assignee: TRACTO-TECHNIK GMBH & CO. KG
- Current Assignee: TRACTO-TECHNIK GMBH & CO. KG
- Current Assignee Address: DE Lennestadt
- Agency: Howard IP Law Group PC
- Priority: DE102009023910 20090303
- International Application: PCT/EP2010/001316 WO 20100303
- International Announcement: WO2010/099949 WO 20100910
- Main IPC: F16L1/028
- IPC: F16L1/028 ; E21B7/20
Abstract:
The invention relates to an earth drilling device (1) for boring a borehole into the soil and/or for drawing a line (9) into an underground passage, comprising at least one system line (4, 6) extending from the earth drilling device to a start region, wherein the system line is designed in an electrically insulating manner.
Public/Granted literature
- US20120087738A1 EARTH DRILLING DEVICE Public/Granted day:2012-04-12
Information query
