Door Components, Door Hardware, Window Hardware. OTLAV S. p. a produces and sells hinges for doors and windows; accesories for frames. Founded in 1956 by entrepreneur Angelo Padovan, is the world leader in terms of turnover and sold hinges: over 1. 6 billion since 1960. Thanks to almost 100 filed patents, Otlav ensures high quality standards and its wide range of products is sold in 69 countries all over the world. In 2007 the new, Door Hardware, Window Hardware ...