Ventilators; ventilating apparatus and installations; wind driven rotary ventilators; ventilator caps, ventilator liners, ventilator adaptors; wind powered roof ventilators; wind powered ventilators for vehicles; wind powered ventilators for buildings; air extractors; air ventilation apparatus for land vehicles; parts and fittings for all the aforesaid.

Ventilators; ventilating apparatus and installations; wind driven rotary ventilators; ventilator caps, ventilator liners, ventilator adaptors; wind powered roof ventilators; wind powered ventilators for vehicles; wind powered ventilators for buildings; air extractors; air ventilation apparatus for land vehicles; parts and fittings for all the aforesaid.

Ventilators for expelling air, smoke, gases and suspensions in gases from an enclosed space; parts and fittings for said ventilators