153442 ⎘
Devices or appurtenances for use in, or in connection with, pipes or pipe systems; Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means; Constructional aspects of the propulsion means, e.g. towed by cables being self-contained jet driven
ROBOT CRAWLING
#2JETTING-BASED PIPELINE SCRAPER
#3PIG FOR INSPECTING A TUBULAR OBJECT
#4Pipe cleaning device with camera
#5Inflatable chamber device for motion through a passage
#6Inflatable chamber device for motion through a passage
#7Method and system for repairing subterranean structures