Severiano Antonio de Castilho, Brazilian military and naval engineer (Sacra Família do Tinguá, rio de Janeiro State 1860 - Rio de Janeiro 1940)
INVENTIONS
An apparatus for breech ring
A wedge system
Castilho machine gun (1885), an improved Nordenfelt machine gun
Castilho breech screw (English patent number 17491) from 1912
Castilho system for heat insulating (English patent number 4852)
A projectile
A combined primer
Castilho system of barrage with mines for narrow pitches
An apparatus for salvage in burnings (English patent number 451852) from 1891
An apparatus for "turcos" of jolly-boat (1887) Brazilian patent number 512
The information was obtained in http://www.redetec.org.br/inventabrasil/metcast.htm