Terms: Legged Vehicles (4,400), legged vehicle (3,010), legged robots (185,000), legged robot (294,000), robotic vehicle (247,000), robotic vehicles (303,000), limbed vehicles (182), limbed vehicle (26), limbed robot (2,140), limbed robots (586), vehicle with legs (255),
Terms: legged (28,300,000), robot walker (17,900), robot walkers (1,500),
Terms: walking robots (254,000), walking robot (468,000), walking wheelchair (32,400), walking vehicle (11,200), walking mechanism (16,200), walking mechanisms (1,530), hexapod robot (43,700), hexapod (481,000), walking vehicle (11,200), walking vehicles (2,790), mobile robot (1,430,000), mobile robots (1,350,000), climbing robot (223,000), climbing robots (37,100), hopping robot (28,700), hopping robots (4,570), hopping vehicle (524), hopping vehicles (104), walking platform (29,300), walking platforms (1,490),
Terms: artificial quadrupeds (19), artificial quadruped (20), artificial hexaped (0), artificial hexapeds (0), autonomous systems (1,520,000), autonomous system (1,710,000), powered exoskeleton (56,200),
Terms: robot locomotion (33,800), gait generation (12,300), gait generator (446), legged locomotion (96,000), legged figures (2,600),
Terms: polypedal (20,200), hexapedal (10,100), polypod (53,100), polyped (142,000), hexaped (1,100), quadruped (1,100,000),
Terms: mechanical spider (51,500), mechanical cockroach (365), mechanical ant (989), mechanical insect (19,400), robot spider (966,000), robot cockroach (2,190), robot ant (1,660), robot insect (17,300), robot horse (10,700),
Boolean: legged +vehicle (1,780,000), legged +robot (1,430,000), legged +vehicles (1,390,000), legged +robots (1,110,000), robot +running (36,500,000), robot +jumping (9,100,000), robot +walking (9,760,000), robot +galloping (227,000), robots +running (19,800,000), robots +jumping (6,180,000), robots +walking (7,040,000), robots +galloping (105,000), robot +locomotion (961,000), robots +locomotion (687,000), vehicles +locomotion (499,000), vehicle +locomotion (880,000),
Terms: legged (28,300,000), locomotion (6,370,000), walking (500,000,000), running (1,370,000,000), jumping (131,000,000),