Background
Sigmund Riefler was born on August 9, 1847 to Magdalena and Clemens Riefler. In 1876 after the death of his father, he took over the firm Clemens Riefler with his two brothers, Adolf and Theodor.
Sigmund Riefler was born on August 9, 1847 to Magdalena and Clemens Riefler. In 1876 after the death of his father, he took over the firm Clemens Riefler with his two brothers, Adolf and Theodor.
He studied mathematics, geodesy and mechanical engineering at the Technical College in Munich and then physics and astronomy at the University of Munich.
From 1870 he worked as an engineer in the Royal Prussian Land Survey, surveying land in Schleswig. In 1878 he settled in Munich, to be in contact with the local scientific community. He invented the Riefler escapement which was patented in 1889.
He died in Munich on October 21, 1912 at the age of 65.
1889 DRP Near 50739 Doppelradhemmung für Chronometer mit vollkommen freier Unruhe und für Pendeluhren mit freiem Pendel. 1891 DRP Near 60059 Quecksilber-Kompensationspendel.
1893 United States Patent 508530 Mercurial Compensation-Pendulum
1893 United States Patent 508760 Pendulum-Escapement
1897 DRP Near 100870 Pendel mit Nickelstahlstange und mehreren zusammenwirkenden Compensationsröhren.
1903 DRP Near 151710 Elektrische Aufziehvorrichtung für Uhren mit einem treibenden Gewichtshebel und einem Elektromagneten zum Heben desselben.
1913 DRP Near 272119 Schwerkrafthemmung mit zwei Antriebshebeln.