US Patent 11400178 Hollow volatile substance diffuser

An example embodiment of a volatile substance diffuser comprises a housing defining a housing axis; and a component carrying a volatile substance. The component defines an air passageway there through. The component is secured to an inner surface of the housing. The air passageway defines an air passageway axis and the housing axis and the air passageway axis are approximately parallel. In an example embodiment, the volatile substance diffuser further comprises a clip secured to the housing and configured to removably secure the volatile substance diffuser to a slat of an air vent (e.g., an automobile air vent, building air vent, and/or the like).