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Class Information
Number: 405/160
Name: Hydraulic and earth engineering > Subterranean or submarine pipe or cable laying, retrieving, manipulating, or treating > Submerging, raising, or manipulating line of pipe or cable in or from marine environment > Entrenched or buried > Condition responsive
Description: Method or apparatus wherein the string or conduit is positioned beneath the bottom by a device having means for sensing a characteristic (e.g., tension in a line, surface contour of the bottom) or the occurrence of a predetermined event in the device, its environment, or the string or conduit, and regulating or modifying the operation of the device in accordance with said sensed characteristic or event.










Patents under this class:

Patent Number Title Of Patent Date Issued
8360685 Autonomous underwater plow and method of use Jan. 29, 2013
7066687 Marine seismic surveying Jun. 27, 2006
6846133 Marine seismic surveying Jan. 25, 2005
6719494 Cable and pipe burial apparatus and method Apr. 13, 2004
6705029 Trenching machine Mar. 16, 2004
6672801 Submarine apparatus having a spacer mechanism between a body and a boot Jan. 6, 2004
6616378 Device and method for storing and protecting data relating to pipe installation Sep. 9, 2003
4896998 Submarine cable plough Jan. 30, 1990
4586850 Underwater trenching system May. 6, 1986
4542334 Induced-signal capacitance effect cable tracking sensor Sep. 17, 1985
4540942 Alternating current induction method using an annular magnetic coupling body for detecting the position of a buried submarine cable Sep. 10, 1985
4537530 Marine cable burying method and device therefor Aug. 27, 1985
4516880 Underwater trenching apparatus May. 14, 1985
4492492 Guiding method for cable burying device and a device therefor Jan. 8, 1985
4384808 Under-water cable burying device May. 24, 1983
4330225 System for entrenching submerged elongated structures May. 18, 1982
4283681 System for detecting an underwater buried cable Aug. 11, 1981
4280289 Underwater trenching machine for burying pipeline and the like Jul. 28, 1981
4274760 Self-propelled underwater trenching apparatus and method Jun. 23, 1981
4149326 Machine for digging a trench beneath a submerged pipeline Apr. 17, 1979
4037422 Articulated jet sled Jul. 26, 1977
4012918 Submarine cable laying system Mar. 22, 1977











 
 
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