The trident is the logo of Maserati Automobile Company.

Its car logo is a trident placed in an oval, which is the emblem of the city of Bologna, Italy. It is said to be the weapon in the hands of Neptune, the god of the sea in Greek mythology. It shows The immense power of Poseidon. The trademark indicates that the "Maserati" brand car is like the roaring and surging of the vast sea, which is a metaphor for the fast running potential of Maserati cars.

Extended information:

The first Maserati sedan with a trident logo appeared in the Targa Florio competition on April 25, 1926. The Maserati Tipo 26, driven by Alfieri and designed and built entirely by the Maserati brothers, was powered by a 1.5-liter inline eight-cylinder engine and could reach a top speed of 100 mph.

Alfieri’s younger brother Mario designed the car’s miniature logo as a trident placed on a leaf-shaped base. The design was inspired by Neptune, the emblem of the city of Bologna where the company is located. In his hand Holding a trident, a weapon that shows its great power, it indicates that Maserati will cause a huge sensation in the world after its launch.

Baidu Encyclopedia-Trident (Maserati Automobile Company)