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On May 25, 1908, Franziska Leser, a German inventor from Munich, was granted a patent for developing an innovative device to dry out damp walls. Her invention featured a system of air inlets and wires to ensure constant and extensive air circulation.

On October 25, 1902, Franziska Gangloff, a resident of Rožmitál, Czech Republic, was awarded a patent for developing a novel head for scraping knives, specifically designed to process the wide side surfaces of shingles on shingle machines.

On February 10, 1949, Franziska Herzberg, a resident of Graz, was awarded a patent for developing a novel luggage rack and child seat for the front wheel of bicycles. The invention featured a lighter and simpler design intended to reduce stress on the wheel.

On December 28, 1925, Franziska Joksch of Vienna received a patent for developing a novel multiplication device aimed at expediting calculations and reducing the range of multiplication tasks. This device builds upon earlier innovations, incorporating individual tables up to 1000 and a small set of simple tools to facilitate efficient computation, especially for common uses in small businesses.

On November 10, 1932, Franziska Nadherny of Vienna received a patent for developing innovative rubber toys, featuring multiple punched toy figures and a flexible pedestal. Date of Application: 23 December 1931

On November 25, 1915, Ilaria Lewicki patented a novel trunk ring designed to prevent pigs from digging up crops or disturbing their beds. With its angular outer shape, the ring caused slight discomfort when pressed against the animal’s body, effectively discouraging both digging and pushing behaviour.

On July 10, 1916, Ilaria Lewicki patented a novel extinguisher for cigarettes and cigars. Her invention featured two levers connected by a swivel joint, designed so that pressing the handles together caused one blade to pass sharply over the other.

On February 10, 1932, Melitta Korn, wife of Friedrich Korn and later a Holocaust survivor, patented a novel sock holder. Her design utilized specially arranged brackets to keep socks securely in place while walking.