This The Mentalist screencap contains
snap rand hoed, module rand hoed, fedora, vilten hoed, homburg, cowboyhoed, trilby, fedora met vilten hoed, stetson, porkpie, porkpie hat, and porkpie hoed.
There might also be
merg hoed, merg helm, zon helm, tropenhelm, topi, merg hoed met merg helm, and topee.