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| Patents for F16L 101 - Uses or applications of pigs or moles (312) |
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| 03/06/2008 | US20080053481 Installation and Method for Driving a Submarine Pipeline Scraper | | 08/22/2007 | CN2937755Y Detection robot for petroleum pipeline | | 08/14/2007 | US7256576 ID-OD discrimination sensor | | 07/11/2007 | CN2921532Y Antiblocking material-transferring pipeline | | 04/05/2007 | WO2007020438A3 Pig for inspecting pipelines internally | | 03/22/2007 | WO2007030878A1 Attachment device for a sewer pipe cleaning system | | 02/22/2007 | WO2007020475A1 Wireless communication system and method | | 11/09/2006 | US20060248966 Sensor system for an in-line inspection tool | | 10/25/2006 | CN1281889C Crawling conduit creeper | | 07/11/2006 | US7073979 Method and apparatus for performing sewer maintenance with a thermal sensor | | 05/10/2006 | CN2779206Y Drying equipment special for pipeline | | 03/09/2006 | US20060048589 Apparatus for moving a measuring device along a pipe |
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