1892 – Mechanical Horse – L. A. Rygg (American)
Patent number: 491927 Filing date: Apr 8, 1892 Issue date: Feb 1893. See full patent here. Rygg Horse Pat 1893, filed 1892. No model. Cannot find any evidence that it was actually built.
Author: cyberne1
1813 – Steam Carriage with Legs and Feet – Brunton (British)
Brunton's Traveller was constructed by the Butterley Company in Derbyshire in 1813 by William Brunton (1777–1851). Also known as the "Steam Horse" it had a pair of mechanical legs, with feet that gripped the rails at the rear of the engine to push it forwards at about three miles an hour.
1824 – Steam Carriage with Propelling Legs – Gordon (British)
THE LIFE AND TIMES OF SIR GOLDSWORTHY GURNEY Chapter 5: INVENTING THE STEAM CARRIAGE p77 In 1824 David Gordon tried again with "an arrangement of machinery, by which an action similar to horses' feet could be obtained." Six jointed iron legs, fitted with feet, were connected by brass joints, straps, and keys to a set …
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1879 – Walking Steam Tractor – Praul (American)
j IMPROVEMENT IN TRACTION-ENGINES JOHN E. PRAUL Patent number: 221354 Filing date: Sep 26, 1879 Issue date: Nov 4, 1879. See patent here.
2002 – Shiva the Tiger – Dirk Dewulf (Belgian)
There are a few other youtube clips showing Shiva, the mechanical tiger. The clip above also include Arthades, a mechanical walking biped. The creator is Kezanti, a pseudonym for Dirk Dewulf. It looks as if Shiva has been converted from the original 650cc motorcycle engine to electric power.