Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
Load children
F16
ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
Load children
F16L
PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
Load children
55/00
Devices or appurtenances for use in, or in connection with, pipes or pipe systems
Load children Filter patents View analytics View as hierarchy
F16L55/26
Pigs or moles, i.e. devices movable in a pipe or conduit with or without self-contained propulsion means
Load children Filter patents View analytics View as hierarchy
F16L55/30
of the propulsion means, e.g. towed by cables
Load children Filter patents View analytics View as hierarchy
F16L55/34
the pig or mole being moved step by step
Filter patents View analytics View as hierarchy