 1882/83 and 1893/94 Kleinwächter was Rektor of the university of Czernowitz.Kleinwächter published several text books, and furthermore many articles in the periodical "Jahrbücher für Nationalökonomie und Statistik".1882–1902 he was editor of the German-speaking "Genossenschaftszeitung" (journal of cooperatives) for the Bukovina destrict in the very Northeast of Austria-Hungary.