ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,552,511, issued on Feb. 17.
"Planetary gearset and a transmission with the planetary gearset" was invented by Karel Fortl (Prague).
According to the abstract* released by the U.S. Patent & Trademark Office: "The planetary gearset has different areas of use. Transmissions are intended for example for marine propulsion device. A main planetary gearset that connects the input shaft to the output shaft so as to drive the output shaft into forward rotation. A complementary planetary gearset together with the main planetary gearset that connect the input shaft to the output shaft so as to drive the output shaft into reverse rotation. A forward brake engages the main planetary gearset in a ...