The germans had a few different vehicles that were intended to be equiped with night fighting equipment. the Sd. Kfz. 251, the so called "Uhu" the panther tank, tiger II, how much they were actually used i dont know. they also made towed infared searchlights and mounted some scopes on rifles the 'vampir'. the germans also introduced camoflage that was designed to help reduce the IR siganture. this was called the 'leibermuster pattern' made from ir resistant dyes