Clemente Figuera and Pedro Blasberg, a young electrician working with Figuera, filed 4 spanish patents in september of 1902, patents no. 30375, 30376, 30377 and 30378.
In october of 1908 Figuera filed a last patent , no. 44267, few days before dying.
After his death, his partner, Constantino de Buforn, filed 5 more patents (47706, 50216, 52968, 55411 and 57955) between 1910 and 1914. All those Buforn´s patents are exact copies of the 1908 patent.