The self-wringing mop revolutionized cleaning, allowing users to wring out the mop without getting their hands wet. It was her first major successful invention.

Slim, velvet-flocked hangers designed to prevent clothes from slipping and save space in closets. These became immensely popular and one of her best-selling products.

Odor-neutralizing products designed for homes and vehicles, utilizing natural ingredients to eliminate unwanted smells and provide a pleasant scent.

Shoe inserts designed for comfort and support, providing cushioning and stability for various types of footwear.

Joy also invented several other products throughout her career, including closet organizers, luggage, and other household items, demonstrating her broad inventive capabilities.