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